diff options
190 files changed, 2492 insertions, 3864 deletions
diff --git a/arch/microblaze/Kconfig b/arch/microblaze/Kconfig index be38552..9bd64b4 100644 --- a/arch/microblaze/Kconfig +++ b/arch/microblaze/Kconfig @@ -18,6 +18,8 @@ config MICROBLAZE select HAVE_DMA_ATTRS select HAVE_DMA_API_DEBUG select TRACING_SUPPORT + select OF + select OF_FLATTREE config SWAP def_bool n @@ -76,9 +78,6 @@ config LOCKDEP_SUPPORT config HAVE_LATENCYTOP_SUPPORT def_bool y -config DTC - def_bool y - source "init/Kconfig" source "kernel/Kconfig.freezer" @@ -125,18 +124,6 @@ config CMDLINE_FORCE Set this to have arguments from the default kernel command string override those passed by the boot loader. -config OF - def_bool y - select OF_FLATTREE - -config PROC_DEVICETREE - bool "Support for device tree in /proc" - depends on PROC_FS - help - This option adds a device-tree directory under /proc which contains - an image of the device tree that the kernel copies from Open - Firmware or other boot firmware. If unsure, say Y here. - endmenu menu "Advanced setup" diff --git a/arch/microblaze/include/asm/irq.h b/arch/microblaze/include/asm/irq.h index 31a35c3..ec5583d 100644 --- a/arch/microblaze/include/asm/irq.h +++ b/arch/microblaze/include/asm/irq.h @@ -27,17 +27,6 @@ extern unsigned int nr_irq; struct pt_regs; extern void do_IRQ(struct pt_regs *regs); -/** - * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space - * @device: Device node of the device whose interrupt is to be mapped - * @index: Index of the interrupt to map - * - * This function is a wrapper that chains of_irq_map_one() and - * irq_create_of_mapping() to make things easier to callers - */ -struct device_node; -extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index); - /** FIXME - not implement * irq_dispose_mapping - Unmap an interrupt * @virq: linux virq number of the interrupt to unmap @@ -62,17 +51,4 @@ struct irq_host; extern unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq); -/** - * irq_create_of_mapping - Map a hardware interrupt into linux virq space - * @controller: Device node of the interrupt controller - * @inspec: Interrupt specifier from the device-tree - * @intsize: Size of the interrupt specifier from the device-tree - * - * This function is identical to irq_create_mapping except that it takes - * as input informations straight from the device-tree (typically the results - * of the of_irq_map_*() functions. - */ -extern unsigned int irq_create_of_mapping(struct device_node *controller, - u32 *intspec, unsigned int intsize); - #endif /* _ASM_MICROBLAZE_IRQ_H */ diff --git a/arch/microblaze/include/asm/of_device.h b/arch/microblaze/include/asm/of_device.h deleted file mode 100644 index 73cb980..0000000 --- a/arch/microblaze/include/asm/of_device.h +++ /dev/null @@ -1,44 +0,0 @@ -/* - * Copyright (C) 2007-2008 Michal Simek <monstr@monstr.eu> - * - * based on PowerPC of_device.h - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ - -#ifndef _ASM_MICROBLAZE_OF_DEVICE_H -#define _ASM_MICROBLAZE_OF_DEVICE_H -#ifdef __KERNEL__ - -#include <linux/device.h> -#include <linux/of.h> - -/* - * The of_device is a kind of "base class" that is a superset of - * struct device for use by devices attached to an OF node and - * probed using OF properties. - */ -struct of_device { - struct device dev; /* Generic device interface */ - struct pdev_archdata archdata; -}; - -extern ssize_t of_device_get_modalias(struct of_device *ofdev, - char *str, ssize_t len); - -extern struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent); - -extern int of_device_uevent(struct device *dev, - struct kobj_uevent_env *env); - -extern void of_device_make_bus_id(struct of_device *dev); - -/* This is just here during the transition */ -#include <linux/of_device.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_MICROBLAZE_OF_DEVICE_H */ diff --git a/arch/microblaze/include/asm/of_platform.h b/arch/microblaze/include/asm/of_platform.h deleted file mode 100644 index 3749127..0000000 --- a/arch/microblaze/include/asm/of_platform.h +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ - -#ifndef _ASM_MICROBLAZE_OF_PLATFORM_H -#define _ASM_MICROBLAZE_OF_PLATFORM_H - -/* This is just here during the transition */ -#include <linux/of_platform.h> - -/* - * The list of OF IDs below is used for matching bus types in the - * system whose devices are to be exposed as of_platform_devices. - * - * This is the default list valid for most platforms. This file provides - * functions who can take an explicit list if necessary though - * - * The search is always performed recursively looking for children of - * the provided device_node and recursively if such a children matches - * a bus type in the list - */ - -static const struct of_device_id of_default_bus_ids[] = { - { .type = "soc", }, - { .compatible = "soc", }, - { .type = "plb5", }, - { .type = "plb4", }, - { .type = "opb", }, - { .type = "simple", }, - {}, -}; - -/* Platform devices and busses creation */ -extern struct of_device *of_platform_device_create(struct device_node *np, - const char *bus_id, - struct device *parent); -/* pseudo "matches" value to not do deep probe */ -#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) - -extern int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent); - -extern struct of_device *of_find_device_by_phandle(phandle ph); - -extern void of_instantiate_rtc(void); - -#endif /* _ASM_MICROBLAZE_OF_PLATFORM_H */ diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h index c12c6df..4f268fa 100644 --- a/arch/microblaze/include/asm/page.h +++ b/arch/microblaze/include/asm/page.h @@ -47,13 +47,6 @@ #define PAGE_UP(addr) (((addr)+((PAGE_SIZE)-1))&(~((PAGE_SIZE)-1))) #define PAGE_DOWN(addr) ((addr)&(~((PAGE_SIZE)-1))) -/* align addr on a size boundary - adjust address up/down if needed */ -#define _ALIGN_UP(addr, size) (((addr)+((size)-1))&(~((size)-1))) -#define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1))) - -/* align addr on a size boundary - adjust address up if needed */ -#define _ALIGN(addr, size) _ALIGN_UP(addr, size) - #ifndef CONFIG_MMU /* * PAGE_OFFSET -- the first address of the first page of memory. When not diff --git a/arch/microblaze/include/asm/pci-bridge.h b/arch/microblaze/include/asm/pci-bridge.h index 0c77cda..0c68764 100644 --- a/arch/microblaze/include/asm/pci-bridge.h +++ b/arch/microblaze/include/asm/pci-bridge.h @@ -172,13 +172,8 @@ static inline int pci_has_flag(int flag) extern struct list_head hose_list; -extern unsigned long pci_address_to_pio(phys_addr_t address); extern int pcibios_vaddr_is_ioport(void __iomem *address); #else -static inline unsigned long pci_address_to_pio(phys_addr_t address) -{ - return (unsigned long)-1; -} static inline int pcibios_vaddr_is_ioport(void __iomem *address) { return 0; diff --git a/arch/microblaze/include/asm/prom.h b/arch/microblaze/include/asm/prom.h index e7d67a3..101fa09 100644 --- a/arch/microblaze/include/asm/prom.h +++ b/arch/microblaze/include/asm/prom.h @@ -20,9 +20,6 @@ #ifndef __ASSEMBLY__ #include <linux/types.h> -#include <linux/of_fdt.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> #include <asm/irq.h> #include <asm/atomic.h> @@ -50,29 +47,10 @@ extern void pci_create_OF_bus_map(void); * OF address retreival & translation */ -/* Translate an OF address block into a CPU physical address - */ -extern u64 of_translate_address(struct device_node *np, const u32 *addr); - -/* Extract an address from a device, returns the region size and - * the address space flags too. The PCI version uses a BAR number - * instead of an absolute index - */ -extern const u32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); -extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); - -/* Get an address as a resource. Note that if your address is - * a PIO address, the conversion will fail if the physical address - * can't be internally converted to an IO token with - * pci_address_to_pio(), that is because it's either called to early - * or it can't be matched to any host bridge IO space - */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); +#ifdef CONFIG_PCI +extern unsigned long pci_address_to_pio(phys_addr_t address); +#define pci_address_to_pio pci_address_to_pio +#endif /* CONFIG_PCI */ /* Parse the ibm,dma-window property of an OF node into the busno, phys and * size parameters. @@ -88,69 +66,6 @@ struct device_node *of_get_cpu_node(int cpu, unsigned int *thread); /* Get the MAC address */ extern const void *of_get_mac_address(struct device_node *np); -/* - * OF interrupt mapping - */ - -/* This structure is returned when an interrupt is mapped. The controller - * field needs to be put() after use - */ - -#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ - -struct of_irq { - struct device_node *controller; /* Interrupt controller node */ - u32 size; /* Specifier size */ - u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ -}; - -/** - * of_irq_map_init - Initialize the irq remapper - * @flags: flags defining workarounds to enable - * - * Some machines have bugs in the device-tree which require certain workarounds - * to be applied. Call this before any interrupt mapping attempts to enable - * those workarounds. - */ -#define OF_IMAP_OLDWORLD_MAC 0x00000001 -#define OF_IMAP_NO_PHANDLE 0x00000002 - -extern void of_irq_map_init(unsigned int flags); - -/** - * of_irq_map_raw - Low level interrupt tree parsing - * @parent: the device interrupt parent - * @intspec: interrupt specifier ("interrupts" property of the device) - * @ointsize: size of the passed in interrupt specifier - * @addr: address specifier (start of "reg" property of the device) - * @out_irq: structure of_irq filled by this function - * - * Returns 0 on success and a negative number on error - * - * This function is a low-level interrupt tree walking function. It - * can be used to do a partial walk with synthetized reg and interrupts - * properties, for example when resolving PCI interrupts when no device - * node exist for the parent. - * - */ - -extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec, - u32 ointsize, const u32 *addr, - struct of_irq *out_irq); - -/** - * of_irq_map_one - Resolve an interrupt for a device - * @device: the device whose interrupt is to be resolved - * @index: index of the interrupt to resolve - * @out_irq: structure of_irq filled by this function - * - * This function resolves an interrupt, walking the tree, for a given - * device-tree node. It's the high level pendant to of_irq_map_raw(). - * It also implements the workarounds for OldWolrd Macs. - */ -extern int of_irq_map_one(struct device_node *device, int index, - struct of_irq *out_irq); - /** * of_irq_map_pci - Resolve the interrupt for a PCI device * @pdev: the device whose interrupt is to be resolved @@ -163,20 +78,18 @@ extern int of_irq_map_one(struct device_node *device, int index, * resolving using the OF tree walking. */ struct pci_dev; +struct of_irq; extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); -extern int of_irq_to_resource(struct device_node *dev, int index, - struct resource *r); - -/** - * of_iomap - Maps the memory mapped IO for a given device_node - * @device: the device whose io range will be mapped - * @index: index of the io range - * - * Returns a pointer to the mapped memory - */ -extern void __iomem *of_iomap(struct device_node *device, int index); - #endif /* __ASSEMBLY__ */ #endif /* __KERNEL__ */ + +/* These includes are put at the bottom because they may contain things + * that are overridden by this file. Ideally they shouldn't be included + * by this file, but there are a bunch of .c files that currently depend + * on it. Eventually they will be cleaned up. */ +#include <linux/of_fdt.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> + #endif /* _ASM_MICROBLAZE_PROM_H */ diff --git a/arch/microblaze/include/asm/topology.h b/arch/microblaze/include/asm/topology.h index 96bcea5..5428f33 100644 --- a/arch/microblaze/include/asm/topology.h +++ b/arch/microblaze/include/asm/topology.h @@ -1,11 +1 @@ #include <asm-generic/topology.h> - -#ifndef _ASM_MICROBLAZE_TOPOLOGY_H -#define _ASM_MICROBLAZE_TOPOLOGY_H - -struct device_node; -static inline int of_node_to_nid(struct device_node *device) -{ - return 0; -} -#endif /* _ASM_MICROBLAZE_TOPOLOGY_H */ diff --git a/arch/microblaze/kernel/Makefile b/arch/microblaze/kernel/Makefile index 5eecc9f..f0cb5c2 100644 --- a/arch/microblaze/kernel/Makefile +++ b/arch/microblaze/kernel/Makefile @@ -15,8 +15,8 @@ endif extra-y := head.o vmlinux.lds obj-y += dma.o exceptions.o \ - hw_exception_handler.o init_task.o intc.o irq.o of_device.o \ - of_platform.o process.o prom.o prom_parse.o ptrace.o \ + hw_exception_handler.o init_task.o intc.o irq.o \ + process.o prom.o prom_parse.o ptrace.o \ reset.o setup.o signal.o sys_microblaze.o timer.o traps.o unwind.o obj-y += cpu/ diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c index 598f1fd..a9345fb 100644 --- a/arch/microblaze/kernel/irq.c +++ b/arch/microblaze/kernel/irq.c @@ -17,20 +17,10 @@ #include <linux/seq_file.h> #include <linux/kernel_stat.h> #include <linux/irq.h> +#include <linux/of_irq.h> #include <asm/prom.h> -unsigned int irq_of_parse_and_map(struct device_node *dev, int index) -{ - struct of_irq oirq; - - if (of_irq_map_one(dev, index, &oirq)) - return NO_IRQ; - - return oirq.specifier[0]; -} -EXPORT_SYMBOL_GPL(irq_of_parse_and_map); - static u32 concurrent_irq; void __irq_entry do_IRQ(struct pt_regs *regs) @@ -106,7 +96,7 @@ unsigned int irq_create_mapping(struct irq_host *host, irq_hw_number_t hwirq) EXPORT_SYMBOL_GPL(irq_create_mapping); unsigned int irq_create_of_mapping(struct device_node *controller, - u32 *intspec, unsigned int intsize) + const u32 *intspec, unsigned int intsize) { return intspec[0]; } diff --git a/arch/microblaze/kernel/of_device.c b/arch/microblaze/kernel/of_device.c deleted file mode 100644 index b372787..0000000 --- a/arch/microblaze/kernel/of_device.c +++ /dev/null @@ -1,112 +0,0 @@ -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mod_devicetable.h> -#include <linux/slab.h> -#include <linux/of_device.h> - -#include <linux/errno.h> - -void of_device_make_bus_id(struct of_device *dev) -{ - static atomic_t bus_no_reg_magic; - struct device_node *node = dev->dev.of_node; - const u32 *reg; - u64 addr; - int magic; - - /* - * For MMIO, get the physical address - */ - reg = of_get_property(node, "reg", NULL); - if (reg) { - addr = of_translate_address(node, reg); - if (addr != OF_BAD_ADDR) { - dev_set_name(&dev->dev, "%llx.%s", - (unsigned long long)addr, node->name); - return; - } - } - - /* - * No BusID, use the node name and add a globally incremented - * counter (and pray...) - */ - magic = atomic_add_return(1, &bus_no_reg_magic); - dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1); -} -EXPORT_SYMBOL(of_device_make_bus_id); - -struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent) -{ - struct of_device *dev; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) - return NULL; - - dev->dev.of_node = of_node_get(np); - dev->dev.dma_mask = &dev->archdata.dma_mask; - dev->dev.parent = parent; - dev->dev.release = of_release_dev; - - if (bus_id) - dev_set_name(&dev->dev, bus_id); - else - of_device_make_bus_id(dev); - - return dev; -} -EXPORT_SYMBOL(of_device_alloc); - -int of_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - struct of_device *ofdev; - const char *compat; - int seen = 0, cplen, sl; - - if (!dev) - return -ENODEV; - - ofdev = to_of_device(dev); - - if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name)) - return -ENOMEM; - - if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type)) - return -ENOMEM; - - /* Since the compatible field can contain pretty much anything - * it's not really legal to split it out with commas. We split it - * up using a number of environment variables instead. */ - - compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen); - while (compat && *compat && cplen > 0) { - if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat)) - return -ENOMEM; - - sl = strlen(compat) + 1; - compat += sl; - cplen -= sl; - seen++; - } - - if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen)) - return -ENOMEM; - - /* modalias is trickier, we add it in 2 steps */ - if (add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1], - sizeof(env->buf) - env->buflen); - if (sl >= (sizeof(env->buf) - env->buflen)) - return -ENOMEM; - env->buflen += sl; - - return 0; -} -EXPORT_SYMBOL(of_device_uevent); diff --git a/arch/microblaze/kernel/of_platform.c b/arch/microblaze/kernel/of_platform.c deleted file mode 100644 index ccf6f42..0000000 --- a/arch/microblaze/kernel/of_platform.c +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * and Arnd Bergmann, IBM Corp. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#undef DEBUG - -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mod_devicetable.h> -#include <linux/pci.h> -#include <linux/of.h> -#include <linux/of_device.h> -#include <linux/of_platform.h> - -#include <linux/errno.h> -#include <linux/topology.h> -#include <asm/atomic.h> - -struct bus_type of_platform_bus_type = { - .uevent = of_device_uevent, -}; -EXPORT_SYMBOL(of_platform_bus_type); - -static int __init of_bus_driver_init(void) -{ - return of_bus_type_init(&of_platform_bus_type, "of_platform"); -} -postcore_initcall(of_bus_driver_init); - -struct of_device *of_platform_device_create(struct device_node *np, - const char *bus_id, - struct device *parent) -{ - struct of_device *dev; - - dev = of_device_alloc(np, bus_id, parent); - if (!dev) - return NULL; - - dev->archdata.dma_mask = 0xffffffffUL; - dev->dev.bus = &of_platform_bus_type; - - /* We do not fill the DMA ops for platform devices by default. - * This is currently the responsibility of the platform code - * to do such, possibly using a device notifier - */ - - if (of_device_register(dev) != 0) { - of_device_free(dev); - return NULL; - } - - return dev; -} -EXPORT_SYMBOL(of_platform_device_create); - -/** - * of_platform_bus_create - Create an OF device for a bus node and all its - * children. Optionally recursively instanciate matching busses. - * @bus: device node of the bus to instanciate - * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to - * disallow recursive creation of child busses - */ -static int of_platform_bus_create(const struct device_node *bus, - const struct of_device_id *matches, - struct device *parent) -{ - struct device_node *child; - struct of_device *dev; - int rc = 0; - - for_each_child_of_node(bus, child) { - pr_debug(" create child: %s\n", child->full_name); - dev = of_platform_device_create(child, NULL, parent); - if (dev == NULL) - rc = -ENOMEM; - else if (!of_match_node(matches, child)) - continue; - if (rc == 0) { - pr_debug(" and sub busses\n"); - rc = of_platform_bus_create(child, matches, &dev->dev); - } - if (rc) { - of_node_put(child); - break; - } - } - return rc; -} - - -/** - * of_platform_bus_probe - Probe the device-tree for platform busses - * @root: parent of the first level to probe or NULL for the root of the tree - * @matches: match table, NULL to use the default - * @parent: parent to hook devices from, NULL for toplevel - * - * Note that children of the provided root are not instanciated as devices - * unless the specified root itself matches the bus list and is not NULL. - */ - -int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent) -{ - struct device_node *child; - struct of_device *dev; - int rc = 0; - - if (matches == NULL) - matches = of_default_bus_ids; - if (matches == OF_NO_DEEP_PROBE) - return -EINVAL; - if (root == NULL) - root = of_find_node_by_path("/"); - else - of_node_get(root); - - pr_debug("of_platform_bus_probe()\n"); - pr_debug(" starting at: %s\n", root->full_name); - - /* Do a self check of bus type, if there's a match, create - * children - */ - if (of_match_node(matches, root)) { - pr_debug(" root match, create all sub devices\n"); - dev = of_platform_device_create(root, NULL, parent); - if (dev == NULL) { - rc = -ENOMEM; - goto bail; - } - pr_debug(" create all sub busses\n"); - rc = of_platform_bus_create(root, matches, &dev->dev); - goto bail; - } - for_each_child_of_node(root, child) { - if (!of_match_node(matches, child)) - continue; - - pr_debug(" match: %s\n", child->full_name); - dev = of_platform_device_create(child, NULL, parent); - if (dev == NULL) - rc = -ENOMEM; - else - rc = of_platform_bus_create(child, matches, &dev->dev); - if (rc) { - of_node_put(child); - break; - } - } - bail: - of_node_put(root); - return rc; -} -EXPORT_SYMBOL(of_platform_bus_probe); - -static int of_dev_node_match(struct device *dev, void *data) -{ - return to_of_device(dev)->dev.of_node == data; -} - -struct of_device *of_find_device_by_node(struct device_node *np) -{ - struct device *dev; - - dev = bus_find_device(&of_platform_bus_type, - NULL, np, of_dev_node_match); - if (dev) - return to_of_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); - -static int of_dev_phandle_match(struct device *dev, void *data) -{ - phandle *ph = data; - return to_of_device(dev)->dev.of_node->phandle == *ph; -} - -struct of_device *of_find_device_by_phandle(phandle ph) -{ - struct device *dev; - - dev = bus_find_device(&of_platform_bus_type, - NULL, &ph, of_dev_phandle_match); - if (dev) - return to_of_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_phandle); diff --git a/arch/microblaze/kernel/prom_parse.c b/arch/microblaze/kernel/prom_parse.c index bf7e6c2..d33ba17 100644 --- a/arch/microblaze/kernel/prom_parse.c +++ b/arch/microblaze/kernel/prom_parse.c @@ -6,219 +6,11 @@ #include <linux/module.h> #include <linux/ioport.h> #include <linux/etherdevice.h> +#include <linux/of_address.h> #include <asm/prom.h> #include <asm/pci-bridge.h> -#define PRu64 "%llx" - -/* Max address size we deal with */ -#define OF_MAX_ADDR_CELLS 4 -#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ - (ns) > 0) - -static struct of_bus *of_match_bus(struct device_node *np); -static int __of_address_to_resource(struct device_node *dev, - const u32 *addrp, u64 size, unsigned int flags, - struct resource *r); - -/* Debug utility */ -#ifdef DEBUG -static void of_dump_addr(const char *s, const u32 *addr, int na) -{ - printk(KERN_INFO "%s", s); - while (na--) - printk(KERN_INFO " %08x", *(addr++)); - printk(KERN_INFO "\n"); -} -#else -static void of_dump_addr(const char *s, const u32 *addr, int na) { } -#endif - -/* Callbacks for bus specific translators */ -struct of_bus { - const char *name; - const char *addresses; - int (*match)(struct device_node *parent); - void (*count_cells)(struct device_node *child, - int *addrc, int *sizec); - u64 (*map)(u32 *addr, const u32 *range, - int na, int ns, int pna); - int (*translate)(u32 *addr, u64 offset, int na); - unsigned int (*get_flags)(const u32 *addr); -}; - -/* - * Default translator (generic bus) - */ - -static void of_bus_default_count_cells(struct device_node *dev, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = of_n_addr_cells(dev); - if (sizec) - *sizec = of_n_size_cells(dev); -} - -static u64 of_bus_default_map(u32 *addr, const u32 *range, - int na, int ns, int pna) -{ - u64 cp, s, da; - - cp = of_read_number(range, na); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr, na); - - pr_debug("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n", - cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_default_translate(u32 *addr, u64 offset, int na) -{ - u64 a = of_read_number(addr, na); - memset(addr, 0, na * 4); - a += offset; - if (na > 1) - addr[na - 2] = a >> 32; - addr[na - 1] = a & 0xffffffffu; - - return 0; -} - -static unsigned int of_bus_default_get_flags(const u32 *addr) -{ - return IORESOURCE_MEM; -} - #ifdef CONFIG_PCI -/* - * PCI bus specific translator - */ - -static int of_bus_pci_match(struct device_node *np) -{ - /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); -} - -static void of_bus_pci_count_cells(struct device_node *np, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = 3; - if (sizec) - *sizec = 2; -} - -static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna) -{ - u64 cp, s, da; - - /* Check address type match */ - if ((addr[0] ^ range[0]) & 0x03000000) - return OF_BAD_ADDR; - - /* Read address values, skipping high cell */ - cp = of_read_number(range + 1, na - 1); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr + 1, na - 1); - - pr_debug("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_pci_translate(u32 *addr, u64 offset, int na) -{ - return of_bus_default_translate(addr + 1, offset, na - 1); -} - -static unsigned int of_bus_pci_get_flags(const u32 *addr) -{ - unsigned int flags = 0; - u32 w = addr[0]; - - switch ((w >> 24) & 0x03) { - case 0x01: - flags |= IORESOURCE_IO; - break; - case 0x02: /* 32 bits */ - case 0x03: /* 64 bits */ - flags |= IORESOURCE_MEM; - break; - } - if (w & 0x40000000) - flags |= IORESOURCE_PREFETCH; - return flags; -} - -const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, - unsigned int *flags) -{ - const u32 *prop; - unsigned int psize; - struct device_node *parent; - struct of_bus *bus; - int onesize, i, na, ns; - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - return NULL; - bus = of_match_bus(parent); - if (strcmp(bus->name, "pci")) { - of_node_put(parent); - return NULL; - } - bus->count_cells(dev, &na, &ns); - of_node_put(parent); - if (!OF_CHECK_COUNTS(na, ns)) - return NULL; - - /* Get "reg" or "assigned-addresses" property */ - prop = of_get_property(dev, bus->addresses, &psize); - if (prop == NULL) - return NULL; - psize /= 4; - - onesize = na + ns; - for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) - if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) { - if (size) - *size = of_read_number(prop + na, ns); - if (flags) - *flags = bus->get_flags(prop); - return prop; - } - return NULL; -} -EXPORT_SYMBOL(of_get_pci_address); - -int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r) -{ - const u32 *addrp; - u64 size; - unsigned int flags; - - addrp = of_get_pci_address(dev, bar, &size, &flags); - if (addrp == NULL) - return -EINVAL; - return __of_address_to_resource(dev, addrp, size, flags, r); -} -EXPORT_SYMBOL_GPL(of_pci_address_to_resource); - -static u8 of_irq_pci_swizzle(u8 slot, u8 pin) -{ - return (((pin - 1) + slot) % 4) + 1; -} - int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) { struct device_node *dn, *ppnode; @@ -293,331 +85,6 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) EXPORT_SYMBOL_GPL(of_irq_map_pci); #endif /* CONFIG_PCI */ -/* - * ISA bus specific translator - */ - -static int of_bus_isa_match(struct device_node *np) -{ - return !strcmp(np->name, "isa"); -} - -static void of_bus_isa_count_cells(struct device_node *child, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = 2; - if (sizec) - *sizec = 1; -} - -static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna) -{ - u64 cp, s, da; - - /* Check address type match */ - if ((addr[0] ^ range[0]) & 0x00000001) - return OF_BAD_ADDR; - - /* Read address values, skipping high cell */ - cp = of_read_number(range + 1, na - 1); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr + 1, na - 1); - - pr_debug("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_isa_translate(u32 *addr, u64 offset, int na) -{ - return of_bus_default_translate(addr + 1, offset, na - 1); -} - -static unsigned int of_bus_isa_get_flags(const u32 *addr) -{ - unsigned int flags = 0; - u32 w = addr[0]; - - if (w & 1) - flags |= IORESOURCE_IO; - else - flags |= IORESOURCE_MEM; - return flags; -} - -/* - * Array of bus specific translators - */ - -static struct of_bus of_busses[] = { -#ifdef CONFIG_PCI - /* PCI */ - { - .name = "pci", - .addresses = "assigned-addresses", - .match = of_bus_pci_match, - .count_cells = of_bus_pci_count_cells, - .map = of_bus_pci_map, - .translate = of_bus_pci_translate, - .get_flags = of_bus_pci_get_flags, - }, -#endif /* CONFIG_PCI */ - /* ISA */ - { - .name = "isa", - .addresses = "reg", - .match = of_bus_isa_match, - .count_cells = of_bus_isa_count_cells, - .map = of_bus_isa_map, - .translate = of_bus_isa_translate, - .get_flags = of_bus_isa_get_flags, - }, - /* Default */ - { - .name = "default", - .addresses = "reg", - .match = NULL, - .count_cells = of_bus_default_count_cells, - .map = of_bus_default_map, - .translate = of_bus_default_translate, - .get_flags = of_bus_default_get_flags, - }, -}; - -static struct of_bus *of_match_bus(struct device_node *np) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(of_busses); i++) - if (!of_busses[i].match || of_busses[i].match(np)) - return &of_busses[i]; - BUG(); - return NULL; -} - -static int of_translate_one(struct device_node *parent, struct of_bus *bus, - struct of_bus *pbus, u32 *addr, - int na, int ns, int pna) -{ - const u32 *ranges; - unsigned int rlen; - int rone; - u64 offset = OF_BAD_ADDR; - - /* Normally, an absence of a "ranges" property means we are - * crossing a non-translatable boundary, and thus the addresses - * below the current not cannot be converted to CPU physical ones. - * Unfortunately, while this is very clear in the spec, it's not - * what Apple understood, and they do have things like /uni-n or - * /ht nodes with no "ranges" property and a lot of perfectly - * useable mapped devices below them. Thus we treat the absence of - * "ranges" as equivalent to an empty "ranges" property which means - * a 1:1 translation at that level. It's up to the caller not to try - * to translate addresses that aren't supposed to be translated in - * the first place. --BenH. - */ - ranges = of_get_property(parent, "ranges", (int *) &rlen); - if (ranges == NULL || rlen == 0) { - offset = of_read_number(addr, na); - memset(addr, 0, pna * 4); - pr_debug("OF: no ranges, 1:1 translation\n"); - goto finish; - } - - pr_debug("OF: walking ranges...\n"); - - /* Now walk through the ranges */ - rlen /= 4; - rone = na + pna + ns; - for (; rlen >= rone; rlen -= rone, ranges += rone) { - offset = bus->map(addr, ranges, na, ns, pna); - if (offset != OF_BAD_ADDR) - break; - } - if (offset == OF_BAD_ADDR) { - pr_debug("OF: not found !\n"); - return 1; - } - memcpy(addr, ranges + na, 4 * pna); - - finish: - of_dump_addr("OF: parent translation for:", addr, pna); - pr_debug("OF: with offset: "PRu64"\n", offset); - - /* Translate it into parent bus space */ - return pbus->translate(addr, offset, pna); -} - -/* - * Translate an address from the device-tree into a CPU physical address, - * this walks up the tree and applies the various bus mappings on the - * way. - * - * Note: We consider that crossing any level with #size-cells == 0 to mean - * that translation is impossible (that is we are not dealing with a value - * that can be mapped to a cpu physical address). This is not really specified - * that way, but this is traditionally the way IBM at least do things - */ -u64 of_translate_address(struct device_node *dev, const u32 *in_addr) -{ - struct device_node *parent = NULL; - struct of_bus *bus, *pbus; - u32 addr[OF_MAX_ADDR_CELLS]; - int na, ns, pna, pns; - u64 result = OF_BAD_ADDR; - - pr_debug("OF: ** translation for device %s **\n", dev->full_name); - - /* Increase refcount at current level */ - of_node_get(dev); - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - goto bail; - bus = of_match_bus(parent); - - /* Cound address cells & copy address locally */ - bus->count_cells(dev, &na, &ns); - if (!OF_CHECK_COUNTS(na, ns)) { - printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); - goto bail; - } - memcpy(addr, in_addr, na * 4); - - pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n", - bus->name, na, ns, parent->full_name); - of_dump_addr("OF: translating address:", addr, na); - - /* Translate */ - for (;;) { - /* Switch to parent bus */ - of_node_put(dev); - dev = parent; - parent = of_get_parent(dev); - - /* If root, we have finished */ - if (parent == NULL) { - pr_debug("OF: reached root node\n"); - result = of_read_number(addr, na); - break; - } - - /* Get new parent bus and counts */ - pbus = of_match_bus(parent); - pbus->count_cells(dev, &pna, &pns); - if (!OF_CHECK_COUNTS(pna, pns)) { - printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); - break; - } - - pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n", - pbus->name, pna, pns, parent->full_name); - - /* Apply bus translation */ - if (of_translate_one(dev, bus, pbus, addr, na, ns, pna)) - break; - - /* Complete the move up one level */ - na = pna; - ns = pns; - bus = pbus; - - of_dump_addr("OF: one level translation:", addr, na); - } - bail: - of_node_put(parent); - of_node_put(dev); - - return result; -} -EXPORT_SYMBOL(of_translate_address); - -const u32 *of_get_address(struct device_node *dev, int index, u64 *size, - unsigned int *flags) -{ - const u32 *prop; - unsigned int psize; - struct device_node *parent; - struct of_bus *bus; - int onesize, i, na, ns; - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - return NULL; - bus = of_match_bus(parent); - bus->count_cells(dev, &na, &ns); - of_node_put(parent); - if (!OF_CHECK_COUNTS(na, ns)) - return NULL; - - /* Get "reg" or "assigned-addresses" property */ - prop = of_get_property(dev, bus->addresses, (int *) &psize); - if (prop == NULL) - return NULL; - psize /= 4; - - onesize = na + ns; - for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) - if (i == index) { - if (size) - *size = of_read_number(prop + na, ns); - if (flags) - *flags = bus->get_flags(prop); - return prop; - } - return NULL; -} -EXPORT_SYMBOL(of_get_address); - -static int __of_address_to_resource(struct device_node *dev, const u32 *addrp, - u64 size, unsigned int flags, - struct resource *r) -{ - u64 taddr; - - if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0) - return -EINVAL; - taddr = of_translate_address(dev, addrp); - if (taddr == OF_BAD_ADDR) - return -EINVAL; - memset(r, 0, sizeof(struct resource)); - if (flags & IORESOURCE_IO) { - unsigned long port; - port = -1; /* pci_address_to_pio(taddr); */ - if (port == (unsigned long)-1) - return -EINVAL; - r->start = port; - r->end = port + size - 1; - } else { - r->start = taddr; - r->end = taddr + size - 1; - } - r->flags = flags; - r->name = dev->name; - return 0; -} - -int of_address_to_resource(struct device_node *dev, int index, - struct resource *r) -{ - const u32 *addrp; - u64 size; - unsigned int flags; - - addrp = of_get_address(dev, index, &size, &flags); - if (addrp == NULL) - return -EINVAL; - return __of_address_to_resource(dev, addrp, size, flags, r); -} -EXPORT_SYMBOL_GPL(of_address_to_resource); - void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, unsigned long *busno, unsigned long *phys, unsigned long *size) { @@ -644,308 +111,6 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, *size = of_read_number(dma_window, cells); } -/* - * Interrupt remapper - */ - -static unsigned int of_irq_workarounds; -static struct device_node *of_irq_dflt_pic; - -static struct device_node *of_irq_find_parent(struct device_node *child) -{ - struct device_node *p; - const phandle *parp; - - if (!of_node_get(child)) - return NULL; - - do { - parp = of_get_property(child, "interrupt-parent", NULL); - if (parp == NULL) - p = of_get_parent(child); - else { - if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) - p = of_node_get(of_irq_dflt_pic); - else - p = of_find_node_by_phandle(*parp); - } - of_node_put(child); - child = p; - } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); - - return p; -} - -/* This doesn't need to be called if you don't have any special workaround - * flags to pass - */ -void of_irq_map_init(unsigned int flags) -{ - of_irq_workarounds = flags; - - /* OldWorld, don't bother looking at other things */ - if (flags & OF_IMAP_OLDWORLD_MAC) - return; - - /* If we don't have phandles, let's try to locate a default interrupt - * controller (happens when booting with BootX). We do a first match - * here, hopefully, that only ever happens on machines with one - * controller. - */ - if (flags & OF_IMAP_NO_PHANDLE) { - struct device_node *np; - - for (np = NULL; (np = of_find_all_nodes(np)) != NULL;) { - if (of_get_property(np, "interrupt-controller", NULL) - == NULL) - continue; - /* Skip /chosen/interrupt-controller */ - if (strcmp(np->name, "chosen") == 0) - continue; - /* It seems like at least one person on this planet - * wants to use BootX on a machine with an AppleKiwi - * controller which happens to pretend to be an - * interrupt controller too. - */ - if (strcmp(np->name, "AppleKiwi") == 0) - continue; - /* I think we found one ! */ - of_irq_dflt_pic = np; - break; - } - } - -} - -int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, - const u32 *addr, struct of_irq *out_irq) -{ - struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; - const u32 *tmp, *imap, *imask; - u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; - int imaplen, match, i; - - pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...]," - "ointsize=%d\n", - parent->full_name, intspec[0], intspec[1], ointsize); - - ipar = of_node_get(parent); - - /* First get the #interrupt-cells property of the current cursor - * that tells us how to interpret the passed-in intspec. If there - * is none, we are nice and just walk up the tree - */ - do { - tmp = of_get_property(ipar, "#interrupt-cells", NULL); - if (tmp != NULL) { - intsize = *tmp; - break; - } - tnode = ipar; - ipar = of_irq_find_parent(ipar); - of_node_put(tnode); - } while (ipar); - if (ipar == NULL) { - pr_debug(" -> no parent found !\n"); - goto fail; - } - - pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", - ipar->full_name, intsize); - - if (ointsize != intsize) - return -EINVAL; - - /* Look for this #address-cells. We have to implement the old linux - * trick of looking for the parent here as some device-trees rely on it - */ - old = of_node_get(ipar); - do { - tmp = of_get_property(old, "#address-cells", NULL); - tnode = of_get_parent(old); - of_node_put(old); - old = tnode; - } while (old && tmp == NULL); - of_node_put(old); - old = NULL; - addrsize = (tmp == NULL) ? 2 : *tmp; - - pr_debug(" -> addrsize=%d\n", addrsize); - - /* Now start the actual "proper" walk of the interrupt tree */ - while (ipar != NULL) { - /* Now check if cursor is an interrupt-controller and if it is - * then we are done - */ - if (of_get_property(ipar, "interrupt-controller", NULL) != - NULL) { - pr_debug(" -> got it !\n"); - memcpy(out_irq->specifier, intspec, - intsize * sizeof(u32)); - out_irq->size = intsize; - out_irq->controller = ipar; - of_node_put(old); - return 0; - } - - /* Now look for an interrupt-map */ - imap = of_get_property(ipar, "interrupt-map", &imaplen); - /* No interrupt map, check for an interrupt parent */ - if (imap == NULL) { - pr_debug(" -> no map, getting parent\n"); - newpar = of_irq_find_parent(ipar); - goto skiplevel; - } - imaplen /= sizeof(u32); - - /* Look for a mask */ - imask = of_get_property(ipar, "interrupt-map-mask", NULL); - - /* If we were passed no "reg" property and we attempt to parse - * an interrupt-map, then #address-cells must be 0. - * Fail if it's not. - */ - if (addr == NULL && addrsize != 0) { - pr_debug(" -> no reg passed in when needed !\n"); - goto fail; - } - - /* Parse interrupt-map */ - match = 0; - while (imaplen > (addrsize + intsize + 1) && !match) { - /* Compare specifiers */ - match = 1; - for (i = 0; i < addrsize && match; ++i) { - u32 mask = imask ? imask[i] : 0xffffffffu; - match = ((addr[i] ^ imap[i]) & mask) == 0; - } - for (; i < (addrsize + intsize) && match; ++i) { - u32 mask = imask ? imask[i] : 0xffffffffu; - match = - ((intspec[i-addrsize] ^ imap[i]) - & mask) == 0; - } - imap += addrsize + intsize; - imaplen -= addrsize + intsize; - - pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen); - - /* Get the interrupt parent */ - if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) - newpar = of_node_get(of_irq_dflt_pic); - else - newpar = - of_find_node_by_phandle((phandle)*imap); - imap++; - --imaplen; - - /* Check if not found */ - if (newpar == NULL) { - pr_debug(" -> imap parent not found !\n"); - goto fail; - } - - /* Get #interrupt-cells and #address-cells of new - * parent - */ - tmp = of_get_property(newpar, "#interrupt-cells", NULL); - if (tmp == NULL) { - pr_debug(" -> parent lacks " - "#interrupt-cells!\n"); - goto fail; - } - newintsize = *tmp; - tmp = of_get_property(newpar, "#address-cells", NULL); - newaddrsize = (tmp == NULL) ? 0 : *tmp; - - pr_debug(" -> newintsize=%d, newaddrsize=%d\n", - newintsize, newaddrsize); - - /* Check for malformed properties */ - if (imaplen < (newaddrsize + newintsize)) - goto fail; - - imap += newaddrsize + newintsize; - imaplen -= newaddrsize + newintsize; - - pr_debug(" -> imaplen=%d\n", imaplen); - } - if (!match) - goto fail; - - of_node_put(old); - old = of_node_get(newpar); - addrsize = newaddrsize; - intsize = newintsize; - intspec = imap - intsize; - addr = intspec - addrsize; - -skiplevel: - /* Iterate again with new parent */ - pr_debug(" -> new parent: %s\n", - newpar ? newpar->full_name : "<>"); - of_node_put(ipar); - ipar = newpar; - newpar = NULL; - } -fail: - of_node_put(ipar); - of_node_put(old); - of_node_put(newpar); - - return -EINVAL; -} -EXPORT_SYMBOL_GPL(of_irq_map_raw); - -int of_irq_map_one(struct device_node *device, - int index, struct of_irq *out_irq) -{ - struct device_node *p; - const u32 *intspec, *tmp, *addr; - u32 intsize, intlen; - int res; - - pr_debug("of_irq_map_one: dev=%s, index=%d\n", - device->full_name, index); - - /* Get the interrupts property */ - intspec = of_get_property(device, "interrupts", (int *) &intlen); - if (intspec == NULL) - return -EINVAL; - intlen /= sizeof(u32); - - pr_debug(" intspec=%d intlen=%d\n", *intspec, intlen); - - /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); - - /* Look for the interrupt parent. */ - p = of_irq_find_parent(device); - if (p == NULL) - return -EINVAL; - - /* Get size of interrupt specifier */ - tmp = of_get_property(p, "#interrupt-cells", NULL); - if (tmp == NULL) { - of_node_put(p); - return -EINVAL; - } - intsize = *tmp; - - pr_debug(" intsize=%d intlen=%d\n", intsize, intlen); - - /* Check index */ - if ((index + 1) * intsize > intlen) - return -EINVAL; - - /* Get new specifier and map it */ - res = of_irq_map_raw(p, intspec + index * intsize, intsize, - addr, out_irq); - of_node_put(p); - return res; -} -EXPORT_SYMBOL_GPL(of_irq_map_one); - /** * Search the device tree for the best MAC address to use. 'mac-address' is * checked first, because that is supposed to contain to "most recent" MAC @@ -983,43 +148,3 @@ const void *of_get_mac_address(struct device_node *np) return NULL; } EXPORT_SYMBOL(of_get_mac_address); - -int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) -{ - struct of_irq out_irq; - int irq; - int res; - - res = of_irq_map_one(dev, index, &out_irq); - - /* Get irq for the device */ - if (res) { - pr_debug("IRQ not found... code = %d", res); - return NO_IRQ; - } - /* Assuming single interrupt controller... */ - irq = out_irq.specifier[0]; - - pr_debug("IRQ found = %d", irq); - - /* Only dereference the resource if both the - * resource and the irq are valid. */ - if (r && irq != NO_IRQ) { - r->start = r->end = irq; - r->flags = IORESOURCE_IRQ; - } - - return irq; -} -EXPORT_SYMBOL_GPL(of_irq_to_resource); - -void __iomem *of_iomap(struct device_node *np, int index) -{ - struct resource res; - - if (of_address_to_resource(np, index, &res)) - return NULL; - - return ioremap(res.start, 1 + res.end - res.start); -} -EXPORT_SYMBOL(of_iomap); diff --git a/arch/microblaze/kernel/reset.c b/arch/microblaze/kernel/reset.c index a1721a3..bd8ccab 100644 --- a/arch/microblaze/kernel/reset.c +++ b/arch/microblaze/kernel/reset.c @@ -24,8 +24,8 @@ static int of_reset_gpio_handle(void) int ret; /* variable which stored handle reset gpio pin */ struct device_node *root; /* root node */ struct device_node *gpio; /* gpio node */ - struct of_gpio_chip *of_gc = NULL; - enum of_gpio_flags flags ; + struct gpio_chip *gc; + u32 flags; const void *gpio_spec; /* find out root node */ @@ -39,19 +39,19 @@ static int of_reset_gpio_handle(void) goto err0; } - of_gc = gpio->data; - if (!of_gc) { + gc = of_node_to_gpiochip(gpio); + if (!gc) { pr_debug("%s: gpio controller %s isn't registered\n", root->full_name, gpio->full_name); ret = -ENODEV; goto err1; } - ret = of_gc->xlate(of_gc, root, gpio_spec, &flags); + ret = gc->of_xlate(gc, root, gpio_spec, &flags); if (ret < 0) goto err1; - ret += of_gc->gc.base; + ret += gc->base; err1: of_node_put(gpio); err0: diff --git a/arch/microblaze/kernel/setup.c b/arch/microblaze/kernel/setup.c index 17c98db..f5f7688 100644 --- a/arch/microblaze/kernel/setup.c +++ b/arch/microblaze/kernel/setup.c @@ -213,15 +213,9 @@ static struct notifier_block dflt_plat_bus_notifier = { .priority = INT_MAX, }; -static struct notifier_block dflt_of_bus_notifier = { - .notifier_call = dflt_bus_notify, - .priority = INT_MAX, -}; - static int __init setup_bus_notifier(void) { bus_register_notifier(&platform_bus_type, &dflt_plat_bus_notifier); - bus_register_notifier(&of_platform_bus_type, &dflt_of_bus_notifier); return 0; } diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig index e4545f8..e2bf40a 100644 --- a/arch/powerpc/Kconfig +++ b/arch/powerpc/Kconfig @@ -120,6 +120,8 @@ config ARCH_NO_VIRT_TO_BUS config PPC bool default y + select OF + select OF_FLATTREE select HAVE_FTRACE_MCOUNT_RECORD select HAVE_DYNAMIC_FTRACE select HAVE_FUNCTION_TRACER @@ -173,10 +175,6 @@ config ARCH_MAY_HAVE_PC_FDC config PPC_OF def_bool y -config OF - def_bool y - select OF_FLATTREE - config PPC_UDBG_16550 bool default n @@ -199,10 +197,6 @@ config SYS_SUPPORTS_APM_EMULATION default y if PMAC_APM_EMU bool -config DTC - bool - default y - config DEFAULT_UIMAGE bool help @@ -579,14 +573,6 @@ config SCHED_SMT when dealing with POWER5 cpus at a cost of slightly increased overhead in some places. If unsure say N here. -config PROC_DEVICETREE - bool "Support for device tree in /proc" - depends on PROC_FS - help - This option adds a device-tree directory under /proc which contains - an image of the device tree that the kernel copies from Open - Firmware or other boot firmware. If unsure, say Y here. - config CMDLINE_BOOL bool "Default bootloader kernel arguments" diff --git a/arch/powerpc/include/asm/irq.h b/arch/powerpc/include/asm/irq.h index ecba37a..67ab5fb 100644 --- a/arch/powerpc/include/asm/irq.h +++ b/arch/powerpc/include/asm/irq.h @@ -300,34 +300,6 @@ extern unsigned int irq_alloc_virt(struct irq_host *host, */ extern void irq_free_virt(unsigned int virq, unsigned int count); - -/* -- OF helpers -- */ - -/** - * irq_create_of_mapping - Map a hardware interrupt into linux virq space - * @controller: Device node of the interrupt controller - * @inspec: Interrupt specifier from the device-tree - * @intsize: Size of the interrupt specifier from the device-tree - * - * This function is identical to irq_create_mapping except that it takes - * as input informations straight from the device-tree (typically the results - * of the of_irq_map_*() functions. - */ -extern unsigned int irq_create_of_mapping(struct device_node *controller, - const u32 *intspec, unsigned int intsize); - -/** - * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space - * @device: Device node of the device whose interrupt is to be mapped - * @index: Index of the interrupt to map - * - * This function is a wrapper that chains of_irq_map_one() and - * irq_create_of_mapping() to make things easier to callers - */ -extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index); - -/* -- End OF helpers -- */ - /** * irq_early_init - Init irq remapping subsystem */ diff --git a/arch/powerpc/include/asm/macio.h b/arch/powerpc/include/asm/macio.h index 675e159..7ab82c8 100644 --- a/arch/powerpc/include/asm/macio.h +++ b/arch/powerpc/include/asm/macio.h @@ -38,7 +38,7 @@ struct macio_dev { struct macio_bus *bus; /* macio bus this device is on */ struct macio_dev *media_bay; /* Device is part of a media bay */ - struct of_device ofdev; + struct platform_device ofdev; struct device_dma_parameters dma_parms; /* ide needs that */ int n_resources; struct resource resource[MACIO_DEV_COUNT_RESOURCES]; diff --git a/arch/powerpc/include/asm/of_device.h b/arch/powerpc/include/asm/of_device.h deleted file mode 100644 index 444e97e..0000000 --- a/arch/powerpc/include/asm/of_device.h +++ /dev/null @@ -1,27 +0,0 @@ -#ifndef _ASM_POWERPC_OF_DEVICE_H -#define _ASM_POWERPC_OF_DEVICE_H -#ifdef __KERNEL__ - -#include <linux/device.h> -#include <linux/of.h> - -/* - * The of_device is a kind of "base class" that is a superset of - * struct device for use by devices attached to an OF node and - * probed using OF properties. - */ -struct of_device -{ - struct device dev; /* Generic device interface */ - struct pdev_archdata archdata; -}; - -extern struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent); - -extern int of_device_uevent(struct device *dev, - struct kobj_uevent_env *env); - -#endif /* __KERNEL__ */ -#endif /* _ASM_POWERPC_OF_DEVICE_H */ diff --git a/arch/powerpc/include/asm/of_platform.h b/arch/powerpc/include/asm/of_platform.h deleted file mode 100644 index d4aaa34..0000000 --- a/arch/powerpc/include/asm/of_platform.h +++ /dev/null @@ -1,29 +0,0 @@ -#ifndef _ASM_POWERPC_OF_PLATFORM_H -#define _ASM_POWERPC_OF_PLATFORM_H -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -/* Platform devices and busses creation */ -extern struct of_device *of_platform_device_create(struct device_node *np, - const char *bus_id, - struct device *parent); -/* pseudo "matches" value to not do deep probe */ -#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) - -extern int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent); - -extern struct of_device *of_find_device_by_phandle(phandle ph); - -extern void of_instantiate_rtc(void); - -#endif /* _ASM_POWERPC_OF_PLATFORM_H */ diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 76e1f31..51e9e6f 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -303,13 +303,8 @@ extern void pcibios_free_controller(struct pci_controller *phb); extern void pcibios_setup_phb_resources(struct pci_controller *hose); #ifdef CONFIG_PCI -extern unsigned long pci_address_to_pio(phys_addr_t address); extern int pcibios_vaddr_is_ioport(void __iomem *address); #else -static inline unsigned long pci_address_to_pio(phys_addr_t address) -{ - return (unsigned long)-1; -} static inline int pcibios_vaddr_is_ioport(void __iomem *address) { return 0; diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h index ddd408a..ae26f2e 100644 --- a/arch/powerpc/include/asm/prom.h +++ b/arch/powerpc/include/asm/prom.h @@ -17,9 +17,6 @@ * 2 of the License, or (at your option) any later version. */ #include <linux/types.h> -#include <linux/of_fdt.h> -#include <linux/proc_fs.h> -#include <linux/platform_device.h> #include <asm/irq.h> #include <asm/atomic.h> @@ -43,49 +40,14 @@ extern void pci_create_OF_bus_map(void); * OF address retreival & translation */ -/* Translate an OF address block into a CPU physical address - */ -extern u64 of_translate_address(struct device_node *np, const u32 *addr); - /* Translate a DMA address from device space to CPU space */ extern u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr); -/* Extract an address from a device, returns the region size and - * the address space flags too. The PCI version uses a BAR number - * instead of an absolute index - */ -extern const u32 *of_get_address(struct device_node *dev, int index, - u64 *size, unsigned int *flags); #ifdef CONFIG_PCI -extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no, - u64 *size, unsigned int *flags); -#else -static inline const u32 *of_get_pci_address(struct device_node *dev, - int bar_no, u64 *size, unsigned int *flags) -{ - return NULL; -} -#endif /* CONFIG_PCI */ - -/* Get an address as a resource. Note that if your address is - * a PIO address, the conversion will fail if the physical address - * can't be internally converted to an IO token with - * pci_address_to_pio(), that is because it's either called to early - * or it can't be matched to any host bridge IO space - */ -extern int of_address_to_resource(struct device_node *dev, int index, - struct resource *r); -#ifdef CONFIG_PCI -extern int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r); -#else -static inline int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r) -{ - return -ENOSYS; -} -#endif /* CONFIG_PCI */ +extern unsigned long pci_address_to_pio(phys_addr_t address); +#define pci_address_to_pio pci_address_to_pio +#endif /* CONFIG_PCI */ /* Parse the ibm,dma-window property of an OF node into the busno, phys and * size parameters. @@ -104,69 +66,12 @@ struct device_node *of_find_next_cache_node(struct device_node *np); /* Get the MAC address */ extern const void *of_get_mac_address(struct device_node *np); -/* - * OF interrupt mapping - */ - -/* This structure is returned when an interrupt is mapped. The controller - * field needs to be put() after use - */ - -#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ - -struct of_irq { - struct device_node *controller; /* Interrupt controller node */ - u32 size; /* Specifier size */ - u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ -}; - -/** - * of_irq_map_init - Initialize the irq remapper - * @flags: flags defining workarounds to enable - * - * Some machines have bugs in the device-tree which require certain workarounds - * to be applied. Call this before any interrupt mapping attempts to enable - * those workarounds. - */ -#define OF_IMAP_OLDWORLD_MAC 0x00000001 -#define OF_IMAP_NO_PHANDLE 0x00000002 - -extern void of_irq_map_init(unsigned int flags); - -/** - * of_irq_map_raw - Low level interrupt tree parsing - * @parent: the device interrupt parent - * @intspec: interrupt specifier ("interrupts" property of the device) - * @ointsize: size of the passed in interrupt specifier - * @addr: address specifier (start of "reg" property of the device) - * @out_irq: structure of_irq filled by this function - * - * Returns 0 on success and a negative number on error - * - * This function is a low-level interrupt tree walking function. It - * can be used to do a partial walk with synthetized reg and interrupts - * properties, for example when resolving PCI interrupts when no device - * node exist for the parent. - * - */ - -extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec, - u32 ointsize, const u32 *addr, - struct of_irq *out_irq); - - -/** - * of_irq_map_one - Resolve an interrupt for a device - * @device: the device whose interrupt is to be resolved - * @index: index of the interrupt to resolve - * @out_irq: structure of_irq filled by this function - * - * This function resolves an interrupt, walking the tree, for a given - * device-tree node. It's the high level pendant to of_irq_map_raw(). - * It also implements the workarounds for OldWolrd Macs. - */ -extern int of_irq_map_one(struct device_node *device, int index, - struct of_irq *out_irq); +#ifdef CONFIG_NUMA +extern int of_node_to_nid(struct device_node *device); +#else +static inline int of_node_to_nid(struct device_node *device) { return 0; } +#endif +#define of_node_to_nid of_node_to_nid /** * of_irq_map_pci - Resolve the interrupt for a PCI device @@ -180,19 +85,19 @@ extern int of_irq_map_one(struct device_node *device, int index, * resolving using the OF tree walking. */ struct pci_dev; +struct of_irq; extern int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq); -extern int of_irq_to_resource(struct device_node *dev, int index, - struct resource *r); +extern void of_instantiate_rtc(void); -/** - * of_iomap - Maps the memory mapped IO for a given device_node - * @device: the device whose io range will be mapped - * @index: index of the io range - * - * Returns a pointer to the mapped memory - */ -extern void __iomem *of_iomap(struct device_node *device, int index); +/* These includes are put at the bottom because they may contain things + * that are overridden by this file. Ideally they shouldn't be included + * by this file, but there are a bunch of .c files that currently depend + * on it. Eventually they will be cleaned up. */ +#include <linux/of_fdt.h> +#include <linux/of_address.h> +#include <linux/of_irq.h> +#include <linux/platform_device.h> #endif /* __KERNEL__ */ #endif /* _POWERPC_PROM_H */ diff --git a/arch/powerpc/include/asm/smu.h b/arch/powerpc/include/asm/smu.h index 7ae2753..e3bdada 100644 --- a/arch/powerpc/include/asm/smu.h +++ b/arch/powerpc/include/asm/smu.h @@ -457,8 +457,8 @@ extern void smu_poll(void); */ extern int smu_init(void); extern int smu_present(void); -struct of_device; -extern struct of_device *smu_get_ofdev(void); +struct platform_device; +extern struct platform_device *smu_get_ofdev(void); /* diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h index 3033c1b..afe4aaa 100644 --- a/arch/powerpc/include/asm/topology.h +++ b/arch/powerpc/include/asm/topology.h @@ -41,8 +41,6 @@ static inline int cpu_to_node(int cpu) cpu_all_mask : \ node_to_cpumask_map[node]) -int of_node_to_nid(struct device_node *device); - struct pci_bus; #ifdef CONFIG_PCI extern int pcibus_to_node(struct pci_bus *bus); @@ -97,11 +95,6 @@ extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid); #else -static inline int of_node_to_nid(struct device_node *device) -{ - return 0; -} - static inline void dump_numa_cpu_topology(void) {} static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid) diff --git a/arch/powerpc/kernel/Makefile b/arch/powerpc/kernel/Makefile index 77d831a..1dda701 100644 --- a/arch/powerpc/kernel/Makefile +++ b/arch/powerpc/kernel/Makefile @@ -41,7 +41,7 @@ obj-$(CONFIG_PPC_BOOK3E_64) += exceptions-64e.o idle_book3e.o obj-$(CONFIG_PPC64) += vdso64/ obj-$(CONFIG_ALTIVEC) += vecemu.o obj-$(CONFIG_PPC_970_NAP) += idle_power4.o -obj-$(CONFIG_PPC_OF) += of_device.o of_platform.o prom_parse.o +obj-$(CONFIG_PPC_OF) += of_platform.o prom_parse.o obj-$(CONFIG_PPC_CLOCK) += clock.o procfs-y := proc_powerpc.o obj-$(CONFIG_PROC_FS) += $(procfs-y) diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c index 02f724f..4295e0b 100644 --- a/arch/powerpc/kernel/dma-swiotlb.c +++ b/arch/powerpc/kernel/dma-swiotlb.c @@ -82,17 +82,9 @@ static struct notifier_block ppc_swiotlb_plat_bus_notifier = { .priority = 0, }; -static struct notifier_block ppc_swiotlb_of_bus_notifier = { - .notifier_call = ppc_swiotlb_bus_notify, - .priority = 0, -}; - int __init swiotlb_setup_bus_notifier(void) { bus_register_notifier(&platform_bus_type, &ppc_swiotlb_plat_bus_notifier); - bus_register_notifier(&of_platform_bus_type, - &ppc_swiotlb_of_bus_notifier); - return 0; } diff --git a/arch/powerpc/kernel/ibmebus.c b/arch/powerpc/kernel/ibmebus.c index 21266ab..9b626cf 100644 --- a/arch/powerpc/kernel/ibmebus.c +++ b/arch/powerpc/kernel/ibmebus.c @@ -140,19 +140,19 @@ static struct dma_map_ops ibmebus_dma_ops = { static int ibmebus_match_path(struct device *dev, void *data) { - struct device_node *dn = to_of_device(dev)->dev.of_node; + struct device_node *dn = to_platform_device(dev)->dev.of_node; return (dn->full_name && (strcasecmp((char *)data, dn->full_name) == 0)); } static int ibmebus_match_node(struct device *dev, void *data) { - return to_of_device(dev)->dev.of_node == data; + return to_platform_device(dev)->dev.of_node == data; } static int ibmebus_create_device(struct device_node *dn) { - struct of_device *dev; + struct platform_device *dev; int ret; dev = of_device_alloc(dn, NULL, &ibmebus_bus_device); @@ -298,7 +298,7 @@ static ssize_t ibmebus_store_remove(struct bus_type *bus, if ((dev = bus_find_device(&ibmebus_bus_type, NULL, path, ibmebus_match_path))) { - of_device_unregister(to_of_device(dev)); + of_device_unregister(to_platform_device(dev)); kfree(path); return count; diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c index 8f96d31..d3ce67c 100644 --- a/arch/powerpc/kernel/irq.c +++ b/arch/powerpc/kernel/irq.c @@ -53,6 +53,8 @@ #include <linux/bootmem.h> #include <linux/pci.h> #include <linux/debugfs.h> +#include <linux/of.h> +#include <linux/of_irq.h> #include <asm/uaccess.h> #include <asm/system.h> @@ -820,18 +822,6 @@ unsigned int irq_create_of_mapping(struct device_node *controller, } EXPORT_SYMBOL_GPL(irq_create_of_mapping); -unsigned int irq_of_parse_and_map(struct device_node *dev, int index) -{ - struct of_irq oirq; - - if (of_irq_map_one(dev, index, &oirq)) - return NO_IRQ; - - return irq_create_of_mapping(oirq.controller, oirq.specifier, - oirq.size); -} -EXPORT_SYMBOL_GPL(irq_of_parse_and_map); - void irq_dispose_mapping(unsigned int virq) { struct irq_host *host; diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 035ada5..c1fd0f9 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -4,6 +4,7 @@ #include <linux/serial_core.h> #include <linux/console.h> #include <linux/pci.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <asm/io.h> #include <asm/mmu.h> diff --git a/arch/powerpc/kernel/of_device.c b/arch/powerpc/kernel/of_device.c deleted file mode 100644 index df78e02..0000000 --- a/arch/powerpc/kernel/of_device.c +++ /dev/null @@ -1,133 +0,0 @@ -#include <linux/string.h> -#include <linux/kernel.h> -#include <linux/of.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/mod_devicetable.h> -#include <linux/slab.h> -#include <linux/of_device.h> - -#include <asm/errno.h> -#include <asm/dcr.h> - -static void of_device_make_bus_id(struct of_device *dev) -{ - static atomic_t bus_no_reg_magic; - struct device_node *node = dev->dev.of_node; - const u32 *reg; - u64 addr; - int magic; - - /* - * If it's a DCR based device, use 'd' for native DCRs - * and 'D' for MMIO DCRs. - */ -#ifdef CONFIG_PPC_DCR - reg = of_get_property(node, "dcr-reg", NULL); - if (reg) { -#ifdef CONFIG_PPC_DCR_NATIVE - dev_set_name(&dev->dev, "d%x.%s", *reg, node->name); -#else /* CONFIG_PPC_DCR_NATIVE */ - addr = of_translate_dcr_address(node, *reg, NULL); - if (addr != OF_BAD_ADDR) { - dev_set_name(&dev->dev, "D%llx.%s", - (unsigned long long)addr, node->name); - return; - } -#endif /* !CONFIG_PPC_DCR_NATIVE */ - } -#endif /* CONFIG_PPC_DCR */ - - /* - * For MMIO, get the physical address - */ - reg = of_get_property(node, "reg", NULL); - if (reg) { - addr = of_translate_address(node, reg); - if (addr != OF_BAD_ADDR) { - dev_set_name(&dev->dev, "%llx.%s", - (unsigned long long)addr, node->name); - return; - } - } - - /* - * No BusID, use the node name and add a globally incremented - * counter (and pray...) - */ - magic = atomic_add_return(1, &bus_no_reg_magic); - dev_set_name(&dev->dev, "%s.%d", node->name, magic - 1); -} - -struct of_device *of_device_alloc(struct device_node *np, - const char *bus_id, - struct device *parent) -{ - struct of_device *dev; - - dev = kzalloc(sizeof(*dev), GFP_KERNEL); - if (!dev) - return NULL; - - dev->dev.of_node = of_node_get(np); - dev->dev.dma_mask = &dev->archdata.dma_mask; - dev->dev.parent = parent; - dev->dev.release = of_release_dev; - - if (bus_id) - dev_set_name(&dev->dev, "%s", bus_id); - else - of_device_make_bus_id(dev); - - return dev; -} -EXPORT_SYMBOL(of_device_alloc); - -int of_device_uevent(struct device *dev, struct kobj_uevent_env *env) -{ - struct of_device *ofdev; - const char *compat; - int seen = 0, cplen, sl; - - if (!dev) - return -ENODEV; - - ofdev = to_of_device(dev); - - if (add_uevent_var(env, "OF_NAME=%s", ofdev->dev.of_node->name)) - return -ENOMEM; - - if (add_uevent_var(env, "OF_TYPE=%s", ofdev->dev.of_node->type)) - return -ENOMEM; - - /* Since the compatible field can contain pretty much anything - * it's not really legal to split it out with commas. We split it - * up using a number of environment variables instead. */ - - compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen); - while (compat && *compat && cplen > 0) { - if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat)) - return -ENOMEM; - - sl = strlen (compat) + 1; - compat += sl; - cplen -= sl; - seen++; - } - - if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen)) - return -ENOMEM; - - /* modalias is trickier, we add it in 2 steps */ - if (add_uevent_var(env, "MODALIAS=")) - return -ENOMEM; - sl = of_device_get_modalias(ofdev, &env->buf[env->buflen-1], - sizeof(env->buf) - env->buflen); - if (sl >= (sizeof(env->buf) - env->buflen)) - return -ENOMEM; - env->buflen += sl; - - return 0; -} -EXPORT_SYMBOL(of_device_uevent); -EXPORT_SYMBOL(of_device_get_modalias); diff --git a/arch/powerpc/kernel/of_platform.c b/arch/powerpc/kernel/of_platform.c index 487a988..b2c363e 100644 --- a/arch/powerpc/kernel/of_platform.c +++ b/arch/powerpc/kernel/of_platform.c @@ -28,207 +28,6 @@ #include <asm/ppc-pci.h> #include <asm/atomic.h> -/* - * The list of OF IDs below is used for matching bus types in the - * system whose devices are to be exposed as of_platform_devices. - * - * This is the default list valid for most platforms. This file provides - * functions who can take an explicit list if necessary though - * - * The search is always performed recursively looking for children of - * the provided device_node and recursively if such a children matches - * a bus type in the list - */ - -static const struct of_device_id of_default_bus_ids[] = { - { .type = "soc", }, - { .compatible = "soc", }, - { .type = "spider", }, - { .type = "axon", }, - { .type = "plb5", }, - { .type = "plb4", }, - { .type = "opb", }, - { .type = "ebc", }, - {}, -}; - -struct bus_type of_platform_bus_type = { - .uevent = of_device_uevent, -}; -EXPORT_SYMBOL(of_platform_bus_type); - -static int __init of_bus_driver_init(void) -{ - return of_bus_type_init(&of_platform_bus_type, "of_platform"); -} - -postcore_initcall(of_bus_driver_init); - -struct of_device* of_platform_device_create(struct device_node *np, - const char *bus_id, - struct device *parent) -{ - struct of_device *dev; - - dev = of_device_alloc(np, bus_id, parent); - if (!dev) - return NULL; - - dev->archdata.dma_mask = 0xffffffffUL; - dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); - - dev->dev.bus = &of_platform_bus_type; - - /* We do not fill the DMA ops for platform devices by default. - * This is currently the responsibility of the platform code - * to do such, possibly using a device notifier - */ - - if (of_device_register(dev) != 0) { - of_device_free(dev); - return NULL; - } - - return dev; -} -EXPORT_SYMBOL(of_platform_device_create); - - - -/** - * of_platform_bus_create - Create an OF device for a bus node and all its - * children. Optionally recursively instanciate matching busses. - * @bus: device node of the bus to instanciate - * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to - * disallow recursive creation of child busses - */ -static int of_platform_bus_create(const struct device_node *bus, - const struct of_device_id *matches, - struct device *parent) -{ - struct device_node *child; - struct of_device *dev; - int rc = 0; - - for_each_child_of_node(bus, child) { - pr_debug(" create child: %s\n", child->full_name); - dev = of_platform_device_create(child, NULL, parent); - if (dev == NULL) - rc = -ENOMEM; - else if (!of_match_node(matches, child)) - continue; - if (rc == 0) { - pr_debug(" and sub busses\n"); - rc = of_platform_bus_create(child, matches, &dev->dev); - } if (rc) { - of_node_put(child); - break; - } - } - return rc; -} - -/** - * of_platform_bus_probe - Probe the device-tree for platform busses - * @root: parent of the first level to probe or NULL for the root of the tree - * @matches: match table, NULL to use the default - * @parent: parent to hook devices from, NULL for toplevel - * - * Note that children of the provided root are not instanciated as devices - * unless the specified root itself matches the bus list and is not NULL. - */ - -int of_platform_bus_probe(struct device_node *root, - const struct of_device_id *matches, - struct device *parent) -{ - struct device_node *child; - struct of_device *dev; - int rc = 0; - - if (matches == NULL) - matches = of_default_bus_ids; - if (matches == OF_NO_DEEP_PROBE) - return -EINVAL; - if (root == NULL) - root = of_find_node_by_path("/"); - else - of_node_get(root); - - pr_debug("of_platform_bus_probe()\n"); - pr_debug(" starting at: %s\n", root->full_name); - - /* Do a self check of bus type, if there's a match, create - * children - */ - if (of_match_node(matches, root)) { - pr_debug(" root match, create all sub devices\n"); - dev = of_platform_device_create(root, NULL, parent); - if (dev == NULL) { - rc = -ENOMEM; - goto bail; - } - pr_debug(" create all sub busses\n"); - rc = of_platform_bus_create(root, matches, &dev->dev); - goto bail; - } - for_each_child_of_node(root, child) { - if (!of_match_node(matches, child)) - continue; - - pr_debug(" match: %s\n", child->full_name); - dev = of_platform_device_create(child, NULL, parent); - if (dev == NULL) - rc = -ENOMEM; - else - rc = of_platform_bus_create(child, matches, &dev->dev); - if (rc) { - of_node_put(child); - break; - } - } - bail: - of_node_put(root); - return rc; -} -EXPORT_SYMBOL(of_platform_bus_probe); - -static int of_dev_node_match(struct device *dev, void *data) -{ - return to_of_device(dev)->dev.of_node == data; -} - -struct of_device *of_find_device_by_node(struct device_node *np) -{ - struct device *dev; - - dev = bus_find_device(&of_platform_bus_type, - NULL, np, of_dev_node_match); - if (dev) - return to_of_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); - -static int of_dev_phandle_match(struct device *dev, void *data) -{ - phandle *ph = data; - return to_of_device(dev)->dev.of_node->phandle == *ph; -} - -struct of_device *of_find_device_by_phandle(phandle ph) -{ - struct device *dev; - - dev = bus_find_device(&of_platform_bus_type, - NULL, &ph, of_dev_phandle_match); - if (dev) - return to_of_device(dev); - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_phandle); - - #ifdef CONFIG_PPC_OF_PLATFORM_PCI /* The probing of PCI controllers from of_platform is currently @@ -237,7 +36,7 @@ EXPORT_SYMBOL(of_find_device_by_phandle); * lacking some bits needed here. */ -static int __devinit of_pci_phb_probe(struct of_device *dev, +static int __devinit of_pci_phb_probe(struct platform_device *dev, const struct of_device_id *match) { struct pci_controller *phb; diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index 5b38f6a..9021c4a 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -21,6 +21,7 @@ #include <linux/string.h> #include <linux/init.h> #include <linux/bootmem.h> +#include <linux/of_address.h> #include <linux/mm.h> #include <linux/list.h> #include <linux/syscalls.h> diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c index 8362620..88334af 100644 --- a/arch/powerpc/kernel/prom_parse.c +++ b/arch/powerpc/kernel/prom_parse.c @@ -6,232 +6,11 @@ #include <linux/module.h> #include <linux/ioport.h> #include <linux/etherdevice.h> +#include <linux/of_address.h> #include <asm/prom.h> #include <asm/pci-bridge.h> -#ifdef DEBUG -#define DBG(fmt...) do { printk(fmt); } while(0) -#else -#define DBG(fmt...) do { } while(0) -#endif - -#ifdef CONFIG_PPC64 -#define PRu64 "%lx" -#else -#define PRu64 "%llx" -#endif - -/* Max address size we deal with */ -#define OF_MAX_ADDR_CELLS 4 -#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ - (ns) > 0) - -static struct of_bus *of_match_bus(struct device_node *np); -static int __of_address_to_resource(struct device_node *dev, - const u32 *addrp, u64 size, unsigned int flags, - struct resource *r); - - -/* Debug utility */ -#ifdef DEBUG -static void of_dump_addr(const char *s, const u32 *addr, int na) -{ - printk("%s", s); - while(na--) - printk(" %08x", *(addr++)); - printk("\n"); -} -#else -static void of_dump_addr(const char *s, const u32 *addr, int na) { } -#endif - - -/* Callbacks for bus specific translators */ -struct of_bus { - const char *name; - const char *addresses; - int (*match)(struct device_node *parent); - void (*count_cells)(struct device_node *child, - int *addrc, int *sizec); - u64 (*map)(u32 *addr, const u32 *range, - int na, int ns, int pna); - int (*translate)(u32 *addr, u64 offset, int na); - unsigned int (*get_flags)(const u32 *addr); -}; - - -/* - * Default translator (generic bus) - */ - -static void of_bus_default_count_cells(struct device_node *dev, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = of_n_addr_cells(dev); - if (sizec) - *sizec = of_n_size_cells(dev); -} - -static u64 of_bus_default_map(u32 *addr, const u32 *range, - int na, int ns, int pna) -{ - u64 cp, s, da; - - cp = of_read_number(range, na); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr, na); - - DBG("OF: default map, cp="PRu64", s="PRu64", da="PRu64"\n", - cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_default_translate(u32 *addr, u64 offset, int na) -{ - u64 a = of_read_number(addr, na); - memset(addr, 0, na * 4); - a += offset; - if (na > 1) - addr[na - 2] = a >> 32; - addr[na - 1] = a & 0xffffffffu; - - return 0; -} - -static unsigned int of_bus_default_get_flags(const u32 *addr) -{ - return IORESOURCE_MEM; -} - - #ifdef CONFIG_PCI -/* - * PCI bus specific translator - */ - -static int of_bus_pci_match(struct device_node *np) -{ - /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ - return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); -} - -static void of_bus_pci_count_cells(struct device_node *np, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = 3; - if (sizec) - *sizec = 2; -} - -static unsigned int of_bus_pci_get_flags(const u32 *addr) -{ - unsigned int flags = 0; - u32 w = addr[0]; - - switch((w >> 24) & 0x03) { - case 0x01: - flags |= IORESOURCE_IO; - break; - case 0x02: /* 32 bits */ - case 0x03: /* 64 bits */ - flags |= IORESOURCE_MEM; - break; - } - if (w & 0x40000000) - flags |= IORESOURCE_PREFETCH; - return flags; -} - -static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna) -{ - u64 cp, s, da; - unsigned int af, rf; - - af = of_bus_pci_get_flags(addr); - rf = of_bus_pci_get_flags(range); - - /* Check address type match */ - if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO)) - return OF_BAD_ADDR; - - /* Read address values, skipping high cell */ - cp = of_read_number(range + 1, na - 1); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr + 1, na - 1); - - DBG("OF: PCI map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_pci_translate(u32 *addr, u64 offset, int na) -{ - return of_bus_default_translate(addr + 1, offset, na - 1); -} - -const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, - unsigned int *flags) -{ - const u32 *prop; - unsigned int psize; - struct device_node *parent; - struct of_bus *bus; - int onesize, i, na, ns; - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - return NULL; - bus = of_match_bus(parent); - if (strcmp(bus->name, "pci")) { - of_node_put(parent); - return NULL; - } - bus->count_cells(dev, &na, &ns); - of_node_put(parent); - if (!OF_CHECK_COUNTS(na, ns)) - return NULL; - - /* Get "reg" or "assigned-addresses" property */ - prop = of_get_property(dev, bus->addresses, &psize); - if (prop == NULL) - return NULL; - psize /= 4; - - onesize = na + ns; - for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) - if ((prop[0] & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) { - if (size) - *size = of_read_number(prop + na, ns); - if (flags) - *flags = bus->get_flags(prop); - return prop; - } - return NULL; -} -EXPORT_SYMBOL(of_get_pci_address); - -int of_pci_address_to_resource(struct device_node *dev, int bar, - struct resource *r) -{ - const u32 *addrp; - u64 size; - unsigned int flags; - - addrp = of_get_pci_address(dev, bar, &size, &flags); - if (addrp == NULL) - return -EINVAL; - return __of_address_to_resource(dev, addrp, size, flags, r); -} -EXPORT_SYMBOL_GPL(of_pci_address_to_resource); - int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) { struct device_node *dn, *ppnode; @@ -313,345 +92,6 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq) EXPORT_SYMBOL_GPL(of_irq_map_pci); #endif /* CONFIG_PCI */ -/* - * ISA bus specific translator - */ - -static int of_bus_isa_match(struct device_node *np) -{ - return !strcmp(np->name, "isa"); -} - -static void of_bus_isa_count_cells(struct device_node *child, - int *addrc, int *sizec) -{ - if (addrc) - *addrc = 2; - if (sizec) - *sizec = 1; -} - -static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna) -{ - u64 cp, s, da; - - /* Check address type match */ - if ((addr[0] ^ range[0]) & 0x00000001) - return OF_BAD_ADDR; - - /* Read address values, skipping high cell */ - cp = of_read_number(range + 1, na - 1); - s = of_read_number(range + na + pna, ns); - da = of_read_number(addr + 1, na - 1); - - DBG("OF: ISA map, cp="PRu64", s="PRu64", da="PRu64"\n", cp, s, da); - - if (da < cp || da >= (cp + s)) - return OF_BAD_ADDR; - return da - cp; -} - -static int of_bus_isa_translate(u32 *addr, u64 offset, int na) -{ - return of_bus_default_translate(addr + 1, offset, na - 1); -} - -static unsigned int of_bus_isa_get_flags(const u32 *addr) -{ - unsigned int flags = 0; - u32 w = addr[0]; - - if (w & 1) - flags |= IORESOURCE_IO; - else - flags |= IORESOURCE_MEM; - return flags; -} - - -/* - * Array of bus specific translators - */ - -static struct of_bus of_busses[] = { -#ifdef CONFIG_PCI - /* PCI */ - { - .name = "pci", - .addresses = "assigned-addresses", - .match = of_bus_pci_match, - .count_cells = of_bus_pci_count_cells, - .map = of_bus_pci_map, - .translate = of_bus_pci_translate, - .get_flags = of_bus_pci_get_flags, - }, -#endif /* CONFIG_PCI */ - /* ISA */ - { - .name = "isa", - .addresses = "reg", - .match = of_bus_isa_match, - .count_cells = of_bus_isa_count_cells, - .map = of_bus_isa_map, - .translate = of_bus_isa_translate, - .get_flags = of_bus_isa_get_flags, - }, - /* Default */ - { - .name = "default", - .addresses = "reg", - .match = NULL, - .count_cells = of_bus_default_count_cells, - .map = of_bus_default_map, - .translate = of_bus_default_translate, - .get_flags = of_bus_default_get_flags, - }, -}; - -static struct of_bus *of_match_bus(struct device_node *np) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(of_busses); i ++) - if (!of_busses[i].match || of_busses[i].match(np)) - return &of_busses[i]; - BUG(); - return NULL; -} - -static int of_translate_one(struct device_node *parent, struct of_bus *bus, - struct of_bus *pbus, u32 *addr, - int na, int ns, int pna, const char *rprop) -{ - const u32 *ranges; - unsigned int rlen; - int rone; - u64 offset = OF_BAD_ADDR; - - /* Normally, an absence of a "ranges" property means we are - * crossing a non-translatable boundary, and thus the addresses - * below the current not cannot be converted to CPU physical ones. - * Unfortunately, while this is very clear in the spec, it's not - * what Apple understood, and they do have things like /uni-n or - * /ht nodes with no "ranges" property and a lot of perfectly - * useable mapped devices below them. Thus we treat the absence of - * "ranges" as equivalent to an empty "ranges" property which means - * a 1:1 translation at that level. It's up to the caller not to try - * to translate addresses that aren't supposed to be translated in - * the first place. --BenH. - */ - ranges = of_get_property(parent, rprop, &rlen); - if (ranges == NULL || rlen == 0) { - offset = of_read_number(addr, na); - memset(addr, 0, pna * 4); - DBG("OF: no ranges, 1:1 translation\n"); - goto finish; - } - - DBG("OF: walking ranges...\n"); - - /* Now walk through the ranges */ - rlen /= 4; - rone = na + pna + ns; - for (; rlen >= rone; rlen -= rone, ranges += rone) { - offset = bus->map(addr, ranges, na, ns, pna); - if (offset != OF_BAD_ADDR) - break; - } - if (offset == OF_BAD_ADDR) { - DBG("OF: not found !\n"); - return 1; - } - memcpy(addr, ranges + na, 4 * pna); - - finish: - of_dump_addr("OF: parent translation for:", addr, pna); - DBG("OF: with offset: "PRu64"\n", offset); - - /* Translate it into parent bus space */ - return pbus->translate(addr, offset, pna); -} - - -/* - * Translate an address from the device-tree into a CPU physical address, - * this walks up the tree and applies the various bus mappings on the - * way. - * - * Note: We consider that crossing any level with #size-cells == 0 to mean - * that translation is impossible (that is we are not dealing with a value - * that can be mapped to a cpu physical address). This is not really specified - * that way, but this is traditionally the way IBM at least do things - */ -u64 __of_translate_address(struct device_node *dev, const u32 *in_addr, - const char *rprop) -{ - struct device_node *parent = NULL; - struct of_bus *bus, *pbus; - u32 addr[OF_MAX_ADDR_CELLS]; - int na, ns, pna, pns; - u64 result = OF_BAD_ADDR; - - DBG("OF: ** translation for device %s **\n", dev->full_name); - - /* Increase refcount at current level */ - of_node_get(dev); - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - goto bail; - bus = of_match_bus(parent); - - /* Cound address cells & copy address locally */ - bus->count_cells(dev, &na, &ns); - if (!OF_CHECK_COUNTS(na, ns)) { - printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); - goto bail; - } - memcpy(addr, in_addr, na * 4); - - DBG("OF: bus is %s (na=%d, ns=%d) on %s\n", - bus->name, na, ns, parent->full_name); - of_dump_addr("OF: translating address:", addr, na); - - /* Translate */ - for (;;) { - /* Switch to parent bus */ - of_node_put(dev); - dev = parent; - parent = of_get_parent(dev); - - /* If root, we have finished */ - if (parent == NULL) { - DBG("OF: reached root node\n"); - result = of_read_number(addr, na); - break; - } - - /* Get new parent bus and counts */ - pbus = of_match_bus(parent); - pbus->count_cells(dev, &pna, &pns); - if (!OF_CHECK_COUNTS(pna, pns)) { - printk(KERN_ERR "prom_parse: Bad cell count for %s\n", - dev->full_name); - break; - } - - DBG("OF: parent bus is %s (na=%d, ns=%d) on %s\n", - pbus->name, pna, pns, parent->full_name); - - /* Apply bus translation */ - if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop)) - break; - - /* Complete the move up one level */ - na = pna; - ns = pns; - bus = pbus; - - of_dump_addr("OF: one level translation:", addr, na); - } - bail: - of_node_put(parent); - of_node_put(dev); - - return result; -} - -u64 of_translate_address(struct device_node *dev, const u32 *in_addr) -{ - return __of_translate_address(dev, in_addr, "ranges"); -} -EXPORT_SYMBOL(of_translate_address); - -u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr) -{ - return __of_translate_address(dev, in_addr, "dma-ranges"); -} -EXPORT_SYMBOL(of_translate_dma_address); - -const u32 *of_get_address(struct device_node *dev, int index, u64 *size, - unsigned int *flags) -{ - const u32 *prop; - unsigned int psize; - struct device_node *parent; - struct of_bus *bus; - int onesize, i, na, ns; - - /* Get parent & match bus type */ - parent = of_get_parent(dev); - if (parent == NULL) - return NULL; - bus = of_match_bus(parent); - bus->count_cells(dev, &na, &ns); - of_node_put(parent); - if (!OF_CHECK_COUNTS(na, ns)) - return NULL; - - /* Get "reg" or "assigned-addresses" property */ - prop = of_get_property(dev, bus->addresses, &psize); - if (prop == NULL) - return NULL; - psize /= 4; - - onesize = na + ns; - for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) - if (i == index) { - if (size) - *size = of_read_number(prop + na, ns); - if (flags) - *flags = bus->get_flags(prop); - return prop; - } - return NULL; -} -EXPORT_SYMBOL(of_get_address); - -static int __of_address_to_resource(struct device_node *dev, const u32 *addrp, - u64 size, unsigned int flags, - struct resource *r) -{ - u64 taddr; - - if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0) - return -EINVAL; - taddr = of_translate_address(dev, addrp); - if (taddr == OF_BAD_ADDR) - return -EINVAL; - memset(r, 0, sizeof(struct resource)); - if (flags & IORESOURCE_IO) { - unsigned long port; - port = pci_address_to_pio(taddr); - if (port == (unsigned long)-1) - return -EINVAL; - r->start = port; - r->end = port + size - 1; - } else { - r->start = taddr; - r->end = taddr + size - 1; - } - r->flags = flags; - r->name = dev->name; - return 0; -} - -int of_address_to_resource(struct device_node *dev, int index, - struct resource *r) -{ - const u32 *addrp; - u64 size; - unsigned int flags; - - addrp = of_get_address(dev, index, &size, &flags); - if (addrp == NULL) - return -EINVAL; - return __of_address_to_resource(dev, addrp, size, flags, r); -} -EXPORT_SYMBOL_GPL(of_address_to_resource); - void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, unsigned long *busno, unsigned long *phys, unsigned long *size) { @@ -678,342 +118,6 @@ void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop, *size = of_read_number(dma_window, cells); } -/* - * Interrupt remapper - */ - -static unsigned int of_irq_workarounds; -static struct device_node *of_irq_dflt_pic; - -static struct device_node *of_irq_find_parent(struct device_node *child) -{ - struct device_node *p; - const phandle *parp; - - if (!of_node_get(child)) - return NULL; - - do { - parp = of_get_property(child, "interrupt-parent", NULL); - if (parp == NULL) - p = of_get_parent(child); - else { - if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) - p = of_node_get(of_irq_dflt_pic); - else - p = of_find_node_by_phandle(*parp); - } - of_node_put(child); - child = p; - } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); - - return p; -} - -/* This doesn't need to be called if you don't have any special workaround - * flags to pass - */ -void of_irq_map_init(unsigned int flags) -{ - of_irq_workarounds = flags; - - /* OldWorld, don't bother looking at other things */ - if (flags & OF_IMAP_OLDWORLD_MAC) - return; - - /* If we don't have phandles, let's try to locate a default interrupt - * controller (happens when booting with BootX). We do a first match - * here, hopefully, that only ever happens on machines with one - * controller. - */ - if (flags & OF_IMAP_NO_PHANDLE) { - struct device_node *np; - - for_each_node_with_property(np, "interrupt-controller") { - /* Skip /chosen/interrupt-controller */ - if (strcmp(np->name, "chosen") == 0) - continue; - /* It seems like at least one person on this planet wants - * to use BootX on a machine with an AppleKiwi controller - * which happens to pretend to be an interrupt - * controller too. - */ - if (strcmp(np->name, "AppleKiwi") == 0) - continue; - /* I think we found one ! */ - of_irq_dflt_pic = np; - break; - } - } - -} - -int of_irq_map_raw(struct device_node *parent, const u32 *intspec, u32 ointsize, - const u32 *addr, struct of_irq *out_irq) -{ - struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; - const u32 *tmp, *imap, *imask; - u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; - int imaplen, match, i; - - DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n", - parent->full_name, intspec[0], intspec[1], ointsize); - - ipar = of_node_get(parent); - - /* First get the #interrupt-cells property of the current cursor - * that tells us how to interpret the passed-in intspec. If there - * is none, we are nice and just walk up the tree - */ - do { - tmp = of_get_property(ipar, "#interrupt-cells", NULL); - if (tmp != NULL) { - intsize = *tmp; - break; - } - tnode = ipar; - ipar = of_irq_find_parent(ipar); - of_node_put(tnode); - } while (ipar); - if (ipar == NULL) { - DBG(" -> no parent found !\n"); - goto fail; - } - - DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize); - - if (ointsize != intsize) - return -EINVAL; - - /* Look for this #address-cells. We have to implement the old linux - * trick of looking for the parent here as some device-trees rely on it - */ - old = of_node_get(ipar); - do { - tmp = of_get_property(old, "#address-cells", NULL); - tnode = of_get_parent(old); - of_node_put(old); - old = tnode; - } while(old && tmp == NULL); - of_node_put(old); - old = NULL; - addrsize = (tmp == NULL) ? 2 : *tmp; - - DBG(" -> addrsize=%d\n", addrsize); - - /* Now start the actual "proper" walk of the interrupt tree */ - while (ipar != NULL) { - /* Now check if cursor is an interrupt-controller and if it is - * then we are done - */ - if (of_get_property(ipar, "interrupt-controller", NULL) != - NULL) { - DBG(" -> got it !\n"); - memcpy(out_irq->specifier, intspec, - intsize * sizeof(u32)); - out_irq->size = intsize; - out_irq->controller = ipar; - of_node_put(old); - return 0; - } - - /* Now look for an interrupt-map */ - imap = of_get_property(ipar, "interrupt-map", &imaplen); - /* No interrupt map, check for an interrupt parent */ - if (imap == NULL) { - DBG(" -> no map, getting parent\n"); - newpar = of_irq_find_parent(ipar); - goto skiplevel; - } - imaplen /= sizeof(u32); - - /* Look for a mask */ - imask = of_get_property(ipar, "interrupt-map-mask", NULL); - - /* If we were passed no "reg" property and we attempt to parse - * an interrupt-map, then #address-cells must be 0. - * Fail if it's not. - */ - if (addr == NULL && addrsize != 0) { - DBG(" -> no reg passed in when needed !\n"); - goto fail; - } - - /* Parse interrupt-map */ - match = 0; - while (imaplen > (addrsize + intsize + 1) && !match) { - /* Compare specifiers */ - match = 1; - for (i = 0; i < addrsize && match; ++i) { - u32 mask = imask ? imask[i] : 0xffffffffu; - match = ((addr[i] ^ imap[i]) & mask) == 0; - } - for (; i < (addrsize + intsize) && match; ++i) { - u32 mask = imask ? imask[i] : 0xffffffffu; - match = - ((intspec[i-addrsize] ^ imap[i]) & mask) == 0; - } - imap += addrsize + intsize; - imaplen -= addrsize + intsize; - - DBG(" -> match=%d (imaplen=%d)\n", match, imaplen); - - /* Get the interrupt parent */ - if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) - newpar = of_node_get(of_irq_dflt_pic); - else - newpar = of_find_node_by_phandle((phandle)*imap); - imap++; - --imaplen; - - /* Check if not found */ - if (newpar == NULL) { - DBG(" -> imap parent not found !\n"); - goto fail; - } - - /* Get #interrupt-cells and #address-cells of new - * parent - */ - tmp = of_get_property(newpar, "#interrupt-cells", NULL); - if (tmp == NULL) { - DBG(" -> parent lacks #interrupt-cells !\n"); - goto fail; - } - newintsize = *tmp; - tmp = of_get_property(newpar, "#address-cells", NULL); - newaddrsize = (tmp == NULL) ? 0 : *tmp; - - DBG(" -> newintsize=%d, newaddrsize=%d\n", - newintsize, newaddrsize); - - /* Check for malformed properties */ - if (imaplen < (newaddrsize + newintsize)) - goto fail; - - imap += newaddrsize + newintsize; - imaplen -= newaddrsize + newintsize; - - DBG(" -> imaplen=%d\n", imaplen); - } - if (!match) - goto fail; - - of_node_put(old); - old = of_node_get(newpar); - addrsize = newaddrsize; - intsize = newintsize; - intspec = imap - intsize; - addr = intspec - addrsize; - - skiplevel: - /* Iterate again with new parent */ - DBG(" -> new parent: %s\n", newpar ? newpar->full_name : "<>"); - of_node_put(ipar); - ipar = newpar; - newpar = NULL; - } - fail: - of_node_put(ipar); - of_node_put(old); - of_node_put(newpar); - - return -EINVAL; -} -EXPORT_SYMBOL_GPL(of_irq_map_raw); - -#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) -static int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq) -{ - const u32 *ints = NULL; - int intlen; - - /* - * Old machines just have a list of interrupt numbers - * and no interrupt-controller nodes. We also have dodgy - * cases where the APPL,interrupts property is completely - * missing behind pci-pci bridges and we have to get it - * from the parent (the bridge itself, as apple just wired - * everything together on these) - */ - while (device) { - ints = of_get_property(device, "AAPL,interrupts", &intlen); - if (ints != NULL) - break; - device = device->parent; - if (device && strcmp(device->type, "pci") != 0) - break; - } - if (ints == NULL) - return -EINVAL; - intlen /= sizeof(u32); - - if (index >= intlen) - return -EINVAL; - - out_irq->controller = NULL; - out_irq->specifier[0] = ints[index]; - out_irq->size = 1; - - return 0; -} -#else /* defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32) */ -static int of_irq_map_oldworld(struct device_node *device, int index, - struct of_irq *out_irq) -{ - return -EINVAL; -} -#endif /* !(defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)) */ - -int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq) -{ - struct device_node *p; - const u32 *intspec, *tmp, *addr; - u32 intsize, intlen; - int res = -EINVAL; - - DBG("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index); - - /* OldWorld mac stuff is "special", handle out of line */ - if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) - return of_irq_map_oldworld(device, index, out_irq); - - /* Get the interrupts property */ - intspec = of_get_property(device, "interrupts", &intlen); - if (intspec == NULL) - return -EINVAL; - intlen /= sizeof(u32); - - /* Get the reg property (if any) */ - addr = of_get_property(device, "reg", NULL); - - /* Look for the interrupt parent. */ - p = of_irq_find_parent(device); - if (p == NULL) - return -EINVAL; - - /* Get size of interrupt specifier */ - tmp = of_get_property(p, "#interrupt-cells", NULL); - if (tmp == NULL) - goto out; - intsize = *tmp; - - DBG(" intsize=%d intlen=%d\n", intsize, intlen); - - /* Check index */ - if ((index + 1) * intsize > intlen) - goto out; - - /* Get new specifier and map it */ - res = of_irq_map_raw(p, intspec + index * intsize, intsize, - addr, out_irq); -out: - of_node_put(p); - return res; -} -EXPORT_SYMBOL_GPL(of_irq_map_one); - /** * Search the device tree for the best MAC address to use. 'mac-address' is * checked first, because that is supposed to contain to "most recent" MAC @@ -1051,29 +155,3 @@ const void *of_get_mac_address(struct device_node *np) return NULL; } EXPORT_SYMBOL(of_get_mac_address); - -int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) -{ - int irq = irq_of_parse_and_map(dev, index); - - /* Only dereference the resource if both the - * resource and the irq are valid. */ - if (r && irq != NO_IRQ) { - r->start = r->end = irq; - r->flags = IORESOURCE_IRQ; - } - - return irq; -} -EXPORT_SYMBOL_GPL(of_irq_to_resource); - -void __iomem *of_iomap(struct device_node *np, int index) -{ - struct resource res; - - if (of_address_to_resource(np, index, &res)) - return NULL; - - return ioremap(res.start, 1 + res.end - res.start); -} -EXPORT_SYMBOL(of_iomap); diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c index 70decd8..15ade0d 100644 --- a/arch/powerpc/kernel/setup-common.c +++ b/arch/powerpc/kernel/setup-common.c @@ -714,16 +714,9 @@ static struct notifier_block ppc_dflt_plat_bus_notifier = { .priority = INT_MAX, }; -static struct notifier_block ppc_dflt_of_bus_notifier = { - .notifier_call = ppc_dflt_bus_notify, - .priority = INT_MAX, -}; - static int __init setup_bus_notifier(void) { bus_register_notifier(&platform_bus_type, &ppc_dflt_plat_bus_notifier); - bus_register_notifier(&of_platform_bus_type, &ppc_dflt_of_bus_notifier); - return 0; } diff --git a/arch/powerpc/platforms/512x/clock.c b/arch/powerpc/platforms/512x/clock.c index e1c5cd6..5b243bd 100644 --- a/arch/powerpc/platforms/512x/clock.c +++ b/arch/powerpc/platforms/512x/clock.c @@ -678,7 +678,7 @@ static void psc_clks_init(void) { struct device_node *np; const u32 *cell_index; - struct of_device *ofdev; + struct platform_device *ofdev; for_each_compatible_node(np, NULL, "fsl,mpc5121-psc") { cell_index = of_get_property(np, "cell-index", NULL); diff --git a/arch/powerpc/platforms/52xx/lite5200.c b/arch/powerpc/platforms/52xx/lite5200.c index 6d584f4..de55bc0 100644 --- a/arch/powerpc/platforms/52xx/lite5200.c +++ b/arch/powerpc/platforms/52xx/lite5200.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/pci.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/root_dev.h> #include <linux/initrd.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c index ca5305a..0dad9a9 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpio.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpio.c @@ -147,26 +147,25 @@ mpc52xx_wkup_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) return 0; } -static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev, +static int __devinit mpc52xx_wkup_gpiochip_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct mpc52xx_gpiochip *chip; struct mpc52xx_gpio_wkup __iomem *regs; - struct of_gpio_chip *ofchip; + struct gpio_chip *gc; int ret; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; - ofchip = &chip->mmchip.of_gc; + gc = &chip->mmchip.gc; - ofchip->gpio_cells = 2; - ofchip->gc.ngpio = 8; - ofchip->gc.direction_input = mpc52xx_wkup_gpio_dir_in; - ofchip->gc.direction_output = mpc52xx_wkup_gpio_dir_out; - ofchip->gc.get = mpc52xx_wkup_gpio_get; - ofchip->gc.set = mpc52xx_wkup_gpio_set; + gc->ngpio = 8; + gc->direction_input = mpc52xx_wkup_gpio_dir_in; + gc->direction_output = mpc52xx_wkup_gpio_dir_out; + gc->get = mpc52xx_wkup_gpio_get; + gc->set = mpc52xx_wkup_gpio_set; ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); if (ret) @@ -180,7 +179,7 @@ static int __devinit mpc52xx_wkup_gpiochip_probe(struct of_device *ofdev, return 0; } -static int mpc52xx_gpiochip_remove(struct of_device *ofdev) +static int mpc52xx_gpiochip_remove(struct platform_device *ofdev) { return -EBUSY; } @@ -311,11 +310,11 @@ mpc52xx_simple_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) return 0; } -static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev, +static int __devinit mpc52xx_simple_gpiochip_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct mpc52xx_gpiochip *chip; - struct of_gpio_chip *ofchip; + struct gpio_chip *gc; struct mpc52xx_gpio __iomem *regs; int ret; @@ -323,14 +322,13 @@ static int __devinit mpc52xx_simple_gpiochip_probe(struct of_device *ofdev, if (!chip) return -ENOMEM; - ofchip = &chip->mmchip.of_gc; + gc = &chip->mmchip.gc; - ofchip->gpio_cells = 2; - ofchip->gc.ngpio = 32; - ofchip->gc.direction_input = mpc52xx_simple_gpio_dir_in; - ofchip->gc.direction_output = mpc52xx_simple_gpio_dir_out; - ofchip->gc.get = mpc52xx_simple_gpio_get; - ofchip->gc.set = mpc52xx_simple_gpio_set; + gc->ngpio = 32; + gc->direction_input = mpc52xx_simple_gpio_dir_in; + gc->direction_output = mpc52xx_simple_gpio_dir_out; + gc->get = mpc52xx_simple_gpio_get; + gc->set = mpc52xx_simple_gpio_set; ret = of_mm_gpiochip_add(ofdev->dev.of_node, &chip->mmchip); if (ret) diff --git a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c index 46c9357..fea833e 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_gpt.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_gpt.c @@ -78,7 +78,7 @@ MODULE_LICENSE("GPL"); * @dev: pointer to device structure * @regs: virtual address of GPT registers * @lock: spinlock to coordinate between different functions. - * @of_gc: of_gpio_chip instance structure; used when GPIO is enabled + * @gc: gpio_chip instance structure; used when GPIO is enabled * @irqhost: Pointer to irq_host instance; used when IRQ mode is supported * @wdt_mode: only relevant for gpt0: bit 0 (MPC52xx_GPT_CAN_WDT) indicates * if the gpt may be used as wdt, bit 1 (MPC52xx_GPT_IS_WDT) indicates @@ -94,7 +94,7 @@ struct mpc52xx_gpt_priv { u8 wdt_mode; #if defined(CONFIG_GPIOLIB) - struct of_gpio_chip of_gc; + struct gpio_chip gc; #endif }; @@ -280,7 +280,7 @@ mpc52xx_gpt_irq_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) #if defined(CONFIG_GPIOLIB) static inline struct mpc52xx_gpt_priv *gc_to_mpc52xx_gpt(struct gpio_chip *gc) { - return container_of(to_of_gpio_chip(gc), struct mpc52xx_gpt_priv,of_gc); + return container_of(gc, struct mpc52xx_gpt_priv, gc); } static int mpc52xx_gpt_gpio_get(struct gpio_chip *gc, unsigned int gpio) @@ -336,28 +336,25 @@ mpc52xx_gpt_gpio_setup(struct mpc52xx_gpt_priv *gpt, struct device_node *node) if (!of_find_property(node, "gpio-controller", NULL)) return; - gpt->of_gc.gc.label = kstrdup(node->full_name, GFP_KERNEL); - if (!gpt->of_gc.gc.label) { + gpt->gc.label = kstrdup(node->full_name, GFP_KERNEL); + if (!gpt->gc.label) { dev_err(gpt->dev, "out of memory\n"); return; } - gpt->of_gc.gpio_cells = 2; - gpt->of_gc.gc.ngpio = 1; - gpt->of_gc.gc.direction_input = mpc52xx_gpt_gpio_dir_in; - gpt->of_gc.gc.direction_output = mpc52xx_gpt_gpio_dir_out; - gpt->of_gc.gc.get = mpc52xx_gpt_gpio_get; - gpt->of_gc.gc.set = mpc52xx_gpt_gpio_set; - gpt->of_gc.gc.base = -1; - gpt->of_gc.xlate = of_gpio_simple_xlate; - node->data = &gpt->of_gc; - of_node_get(node); + gpt->gc.ngpio = 1; + gpt->gc.direction_input = mpc52xx_gpt_gpio_dir_in; + gpt->gc.direction_output = mpc52xx_gpt_gpio_dir_out; + gpt->gc.get = mpc52xx_gpt_gpio_get; + gpt->gc.set = mpc52xx_gpt_gpio_set; + gpt->gc.base = -1; + gpt->gc.of_node = node; /* Setup external pin in GPIO mode */ clrsetbits_be32(&gpt->regs->mode, MPC52xx_GPT_MODE_MS_MASK, MPC52xx_GPT_MODE_MS_GPIO); - rc = gpiochip_add(&gpt->of_gc.gc); + rc = gpiochip_add(&gpt->gc); if (rc) dev_err(gpt->dev, "gpiochip_add() failed; rc=%i\n", rc); @@ -723,7 +720,7 @@ static inline int mpc52xx_gpt_wdt_setup(struct mpc52xx_gpt_priv *gpt, /* --------------------------------------------------------------------- * of_platform bus binding code */ -static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev, +static int __devinit mpc52xx_gpt_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct mpc52xx_gpt_priv *gpt; @@ -769,7 +766,7 @@ static int __devinit mpc52xx_gpt_probe(struct of_device *ofdev, return 0; } -static int mpc52xx_gpt_remove(struct of_device *ofdev) +static int mpc52xx_gpt_remove(struct platform_device *ofdev) { return -EBUSY; } diff --git a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c index e86aec6..f4ac213 100644 --- a/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c +++ b/arch/powerpc/platforms/52xx/mpc52xx_lpbfifo.c @@ -436,8 +436,8 @@ void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req) } EXPORT_SYMBOL(mpc52xx_lpbfifo_abort); -static int __devinit -mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit mpc52xx_lpbfifo_probe(struct platform_device *op, + const struct of_device_id *match) { struct resource res; int rc = -ENOMEM; @@ -507,7 +507,7 @@ mpc52xx_lpbfifo_probe(struct of_device *op, const struct of_device_id *match) } -static int __devexit mpc52xx_lpbfifo_remove(struct of_device *op) +static int __devexit mpc52xx_lpbfifo_remove(struct platform_device *op) { if (lpbfifo.dev != &op->dev) return 0; diff --git a/arch/powerpc/platforms/82xx/ep8248e.c b/arch/powerpc/platforms/82xx/ep8248e.c index 9f2e52b..1565e04 100644 --- a/arch/powerpc/platforms/82xx/ep8248e.c +++ b/arch/powerpc/platforms/82xx/ep8248e.c @@ -111,7 +111,7 @@ static struct mdiobb_ctrl ep8248e_mdio_ctrl = { .ops = &ep8248e_mdio_ops, }; -static int __devinit ep8248e_mdio_probe(struct of_device *ofdev, +static int __devinit ep8248e_mdio_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct mii_bus *bus; @@ -154,7 +154,7 @@ err_free_bus: return ret; } -static int ep8248e_mdio_remove(struct of_device *ofdev) +static int ep8248e_mdio_remove(struct platform_device *ofdev) { BUG(); return 0; diff --git a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c index d119a7c..70798ac 100644 --- a/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c +++ b/arch/powerpc/platforms/83xx/mcu_mpc8349emitx.c @@ -35,9 +35,8 @@ struct mcu { struct mutex lock; - struct device_node *np; struct i2c_client *client; - struct of_gpio_chip of_gc; + struct gpio_chip gc; u8 reg_ctrl; }; @@ -56,8 +55,7 @@ static void mcu_power_off(void) static void mcu_gpio_set(struct gpio_chip *gc, unsigned int gpio, int val) { - struct of_gpio_chip *of_gc = to_of_gpio_chip(gc); - struct mcu *mcu = container_of(of_gc, struct mcu, of_gc); + struct mcu *mcu = container_of(gc, struct mcu, gc); u8 bit = 1 << (4 + gpio); mutex_lock(&mcu->lock); @@ -79,9 +77,7 @@ static int mcu_gpio_dir_out(struct gpio_chip *gc, unsigned int gpio, int val) static int mcu_gpiochip_add(struct mcu *mcu) { struct device_node *np; - struct of_gpio_chip *of_gc = &mcu->of_gc; - struct gpio_chip *gc = &of_gc->gc; - int ret; + struct gpio_chip *gc = &mcu->gc; np = of_find_compatible_node(NULL, NULL, "fsl,mcu-mpc8349emitx"); if (!np) @@ -94,32 +90,14 @@ static int mcu_gpiochip_add(struct mcu *mcu) gc->base = -1; gc->set = mcu_gpio_set; gc->direction_output = mcu_gpio_dir_out; - of_gc->gpio_cells = 2; - of_gc->xlate = of_gpio_simple_xlate; + gc->of_node = np; - np->data = of_gc; - mcu->np = np; - - /* - * We don't want to lose the node, its ->data and ->full_name... - * So, if succeeded, we don't put the node here. - */ - ret = gpiochip_add(gc); - if (ret) - of_node_put(np); - return ret; + return gpiochip_add(gc); } static int mcu_gpiochip_remove(struct mcu *mcu) { - int ret; - - ret = gpiochip_remove(&mcu->of_gc.gc); - if (ret) - return ret; - of_node_put(mcu->np); - - return 0; + return gpiochip_remove(&mcu->gc); } static int __devinit mcu_probe(struct i2c_client *client, @@ -182,10 +160,16 @@ static const struct i2c_device_id mcu_ids[] = { }; MODULE_DEVICE_TABLE(i2c, mcu_ids); +static struct of_device_id mcu_of_match_table[] __devinitdata = { + { .compatible = "fsl,mcu-mpc8349emitx", }, + { }, +}; + static struct i2c_driver mcu_driver = { .driver = { .name = "mcu-mpc8349emitx", .owner = THIS_MODULE, + .of_match_table = mcu_of_match_table, }, .probe = mcu_probe, .remove = __devexit_p(mcu_remove), diff --git a/arch/powerpc/platforms/83xx/suspend.c b/arch/powerpc/platforms/83xx/suspend.c index ebe6c35..75ae77f 100644 --- a/arch/powerpc/platforms/83xx/suspend.c +++ b/arch/powerpc/platforms/83xx/suspend.c @@ -99,7 +99,7 @@ struct pmc_type { int has_deep_sleep; }; -static struct of_device *pmc_dev; +static struct platform_device *pmc_dev; static int has_deep_sleep, deep_sleeping; static int pmc_irq; static struct mpc83xx_pmc __iomem *pmc_regs; @@ -318,7 +318,7 @@ static struct platform_suspend_ops mpc83xx_suspend_ops = { .end = mpc83xx_suspend_end, }; -static int pmc_probe(struct of_device *ofdev, +static int pmc_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct device_node *np = ofdev->dev.of_node; @@ -396,7 +396,7 @@ out: return ret; } -static int pmc_remove(struct of_device *ofdev) +static int pmc_remove(struct platform_device *ofdev) { return -EPERM; }; diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/arch/powerpc/platforms/86xx/gef_gpio.c index b8cb08d..4ff7b1e 100644 --- a/arch/powerpc/platforms/86xx/gef_gpio.c +++ b/arch/powerpc/platforms/86xx/gef_gpio.c @@ -118,12 +118,12 @@ static int __init gef_gpio_init(void) } /* Setup pointers to chip functions */ - gef_gpio_chip->of_gc.gpio_cells = 2; - gef_gpio_chip->of_gc.gc.ngpio = 19; - gef_gpio_chip->of_gc.gc.direction_input = gef_gpio_dir_in; - gef_gpio_chip->of_gc.gc.direction_output = gef_gpio_dir_out; - gef_gpio_chip->of_gc.gc.get = gef_gpio_get; - gef_gpio_chip->of_gc.gc.set = gef_gpio_set; + gef_gpio_chip->gc.of_gpio_n_cells = 2; + gef_gpio_chip->gc.ngpio = 19; + gef_gpio_chip->gc.direction_input = gef_gpio_dir_in; + gef_gpio_chip->gc.direction_output = gef_gpio_dir_out; + gef_gpio_chip->gc.get = gef_gpio_get; + gef_gpio_chip->gc.set = gef_gpio_set; /* This function adds a memory mapped GPIO chip */ retval = of_mm_gpiochip_add(np, gef_gpio_chip); @@ -146,12 +146,12 @@ static int __init gef_gpio_init(void) } /* Setup pointers to chip functions */ - gef_gpio_chip->of_gc.gpio_cells = 2; - gef_gpio_chip->of_gc.gc.ngpio = 6; - gef_gpio_chip->of_gc.gc.direction_input = gef_gpio_dir_in; - gef_gpio_chip->of_gc.gc.direction_output = gef_gpio_dir_out; - gef_gpio_chip->of_gc.gc.get = gef_gpio_get; - gef_gpio_chip->of_gc.gc.set = gef_gpio_set; + gef_gpio_chip->gc.of_gpio_n_cells = 2; + gef_gpio_chip->gc.ngpio = 6; + gef_gpio_chip->gc.direction_input = gef_gpio_dir_in; + gef_gpio_chip->gc.direction_output = gef_gpio_dir_out; + gef_gpio_chip->gc.get = gef_gpio_get; + gef_gpio_chip->gc.set = gef_gpio_set; /* This function adds a memory mapped GPIO chip */ retval = of_mm_gpiochip_add(np, gef_gpio_chip); diff --git a/arch/powerpc/platforms/amigaone/setup.c b/arch/powerpc/platforms/amigaone/setup.c index fb4eb0d..03aabc0 100644 --- a/arch/powerpc/platforms/amigaone/setup.c +++ b/arch/powerpc/platforms/amigaone/setup.c @@ -13,12 +13,13 @@ */ #include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/seq_file.h> #include <generated/utsrelease.h> #include <asm/machdep.h> #include <asm/cputable.h> -#include <asm/prom.h> #include <asm/pci-bridge.h> #include <asm/i8259.h> #include <asm/time.h> diff --git a/arch/powerpc/platforms/cell/axon_msi.c b/arch/powerpc/platforms/cell/axon_msi.c index 6257e53..9708553 100644 --- a/arch/powerpc/platforms/cell/axon_msi.c +++ b/arch/powerpc/platforms/cell/axon_msi.c @@ -328,7 +328,7 @@ static struct irq_host_ops msic_host_ops = { .map = msic_host_map, }; -static int axon_msi_shutdown(struct of_device *device) +static int axon_msi_shutdown(struct platform_device *device) { struct axon_msic *msic = dev_get_drvdata(&device->dev); u32 tmp; @@ -342,7 +342,7 @@ static int axon_msi_shutdown(struct of_device *device) return 0; } -static int axon_msi_probe(struct of_device *device, +static int axon_msi_probe(struct platform_device *device, const struct of_device_id *device_id) { struct device_node *dn = device->dev.of_node; diff --git a/arch/powerpc/platforms/cell/beat_iommu.c b/arch/powerpc/platforms/cell/beat_iommu.c index 39d361c..beec405 100644 --- a/arch/powerpc/platforms/cell/beat_iommu.c +++ b/arch/powerpc/platforms/cell/beat_iommu.c @@ -108,7 +108,7 @@ static int __init celleb_init_iommu(void) celleb_init_direct_mapping(); set_pci_dma_ops(&dma_direct_ops); ppc_md.pci_dma_dev_setup = celleb_pci_dma_dev_setup; - bus_register_notifier(&of_platform_bus_type, &celleb_of_bus_notifier); + bus_register_notifier(&platform_bus_type, &celleb_of_bus_notifier); return 0; } diff --git a/arch/powerpc/platforms/cell/iommu.c b/arch/powerpc/platforms/cell/iommu.c index 3712900..58b13ce 100644 --- a/arch/powerpc/platforms/cell/iommu.c +++ b/arch/powerpc/platforms/cell/iommu.c @@ -1204,7 +1204,7 @@ static int __init cell_iommu_init(void) /* Register callbacks on OF platform device addition/removal * to handle linking them to the right DMA operations */ - bus_register_notifier(&of_platform_bus_type, &cell_of_bus_notifier); + bus_register_notifier(&platform_bus_type, &cell_of_bus_notifier); return 0; } diff --git a/arch/powerpc/platforms/cell/qpace_setup.c b/arch/powerpc/platforms/cell/qpace_setup.c index c5ce02e..1b57490 100644 --- a/arch/powerpc/platforms/cell/qpace_setup.c +++ b/arch/powerpc/platforms/cell/qpace_setup.c @@ -61,12 +61,24 @@ static void qpace_progress(char *s, unsigned short hex) printk("*** %04x : %s\n", hex, s ? s : ""); } +static const struct of_device_id qpace_bus_ids[] __initdata = { + { .type = "soc", }, + { .compatible = "soc", }, + { .type = "spider", }, + { .type = "axon", }, + { .type = "plb5", }, + { .type = "plb4", }, + { .type = "opb", }, + { .type = "ebc", }, + {}, +}; + static int __init qpace_publish_devices(void) { int node; /* Publish OF platform devices for southbridge IOs */ - of_platform_bus_probe(NULL, NULL, NULL); + of_platform_bus_probe(NULL, qpace_bus_ids, NULL); /* There is no device for the MIC memory controller, thus we create * a platform device for it to attach the EDAC driver to. diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c index 50385db..6919957 100644 --- a/arch/powerpc/platforms/cell/setup.c +++ b/arch/powerpc/platforms/cell/setup.c @@ -141,6 +141,18 @@ static int __devinit cell_setup_phb(struct pci_controller *phb) return 0; } +static const struct of_device_id cell_bus_ids[] __initdata = { + { .type = "soc", }, + { .compatible = "soc", }, + { .type = "spider", }, + { .type = "axon", }, + { .type = "plb5", }, + { .type = "plb4", }, + { .type = "opb", }, + { .type = "ebc", }, + {}, +}; + static int __init cell_publish_devices(void) { struct device_node *root = of_find_node_by_path("/"); @@ -148,7 +160,7 @@ static int __init cell_publish_devices(void) int node; /* Publish OF platform devices for southbridge IOs */ - of_platform_bus_probe(NULL, NULL, NULL); + of_platform_bus_probe(NULL, cell_bus_ids, NULL); /* On spider based blades, we need to manually create the OF * platform devices for the PCI host bridges diff --git a/arch/powerpc/platforms/iseries/mf.c b/arch/powerpc/platforms/iseries/mf.c index d2c1d49..33e5fc7 100644 --- a/arch/powerpc/platforms/iseries/mf.c +++ b/arch/powerpc/platforms/iseries/mf.c @@ -30,6 +30,7 @@ #include <linux/init.h> #include <linux/completion.h> #include <linux/delay.h> +#include <linux/proc_fs.h> #include <linux/dma-mapping.h> #include <linux/bcd.h> #include <linux/rtc.h> diff --git a/arch/powerpc/platforms/pasemi/gpio_mdio.c b/arch/powerpc/platforms/pasemi/gpio_mdio.c index 627ee08..a5d907b 100644 --- a/arch/powerpc/platforms/pasemi/gpio_mdio.c +++ b/arch/powerpc/platforms/pasemi/gpio_mdio.c @@ -216,7 +216,7 @@ static int gpio_mdio_reset(struct mii_bus *bus) } -static int __devinit gpio_mdio_probe(struct of_device *ofdev, +static int __devinit gpio_mdio_probe(struct platform_device *ofdev, const struct of_device_id *match) { struct device *dev = &ofdev->dev; @@ -275,7 +275,7 @@ out: } -static int gpio_mdio_remove(struct of_device *dev) +static int gpio_mdio_remove(struct platform_device *dev) { struct mii_bus *bus = dev_get_drvdata(&dev->dev); diff --git a/arch/powerpc/platforms/powermac/feature.c b/arch/powerpc/platforms/powermac/feature.c index 79bd3e8..39df6ab 100644 --- a/arch/powerpc/platforms/powermac/feature.c +++ b/arch/powerpc/platforms/powermac/feature.c @@ -21,6 +21,8 @@ #include <linux/delay.h> #include <linux/kernel.h> #include <linux/sched.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/spinlock.h> #include <linux/adb.h> #include <linux/pmu.h> diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c index 630a533..890d5f7 100644 --- a/arch/powerpc/platforms/powermac/pic.c +++ b/arch/powerpc/platforms/powermac/pic.c @@ -46,6 +46,10 @@ struct pmac_irq_hw { unsigned int level; }; +/* Workaround flags for 32bit powermac machines */ +unsigned int of_irq_workarounds; +struct device_node *of_irq_dflt_pic; + /* Default addresses */ static volatile struct pmac_irq_hw __iomem *pmac_irq_hw[4]; @@ -428,6 +432,42 @@ static void __init pmac_pic_probe_oldstyle(void) setup_irq(irq_create_mapping(NULL, 20), &xmon_action); #endif } + +int of_irq_map_oldworld(struct device_node *device, int index, + struct of_irq *out_irq) +{ + const u32 *ints = NULL; + int intlen; + + /* + * Old machines just have a list of interrupt numbers + * and no interrupt-controller nodes. We also have dodgy + * cases where the APPL,interrupts property is completely + * missing behind pci-pci bridges and we have to get it + * from the parent (the bridge itself, as apple just wired + * everything together on these) + */ + while (device) { + ints = of_get_property(device, "AAPL,interrupts", &intlen); + if (ints != NULL) + break; + device = device->parent; + if (device && strcmp(device->type, "pci") != 0) + break; + } + if (ints == NULL) + return -EINVAL; + intlen /= sizeof(u32); + + if (index >= intlen) + return -EINVAL; + + out_irq->controller = NULL; + out_irq->specifier[0] = ints[index]; + out_irq->size = 1; + + return 0; +} #endif /* CONFIG_PPC32 */ static void pmac_u3_cascade(unsigned int irq, struct irq_desc *desc) @@ -559,19 +599,39 @@ static int __init pmac_pic_probe_mpic(void) void __init pmac_pic_init(void) { - unsigned int flags = 0; - /* We configure the OF parsing based on our oldworld vs. newworld * platform type and wether we were booted by BootX. */ #ifdef CONFIG_PPC32 if (!pmac_newworld) - flags |= OF_IMAP_OLDWORLD_MAC; + of_irq_workarounds |= OF_IMAP_OLDWORLD_MAC; if (of_get_property(of_chosen, "linux,bootx", NULL) != NULL) - flags |= OF_IMAP_NO_PHANDLE; -#endif /* CONFIG_PPC_32 */ + of_irq_workarounds |= OF_IMAP_NO_PHANDLE; - of_irq_map_init(flags); + /* If we don't have phandles on a newworld, then try to locate a + * default interrupt controller (happens when booting with BootX). + * We do a first match here, hopefully, that only ever happens on + * machines with one controller. + */ + if (pmac_newworld && (of_irq_workarounds & OF_IMAP_NO_PHANDLE)) { + struct device_node *np; + + for_each_node_with_property(np, "interrupt-controller") { + /* Skip /chosen/interrupt-controller */ + if (strcmp(np->name, "chosen") == 0) + continue; + /* It seems like at least one person wants + * to use BootX on a machine with an AppleKiwi + * controller which happens to pretend to be an + * interrupt controller too. */ + if (strcmp(np->name, "AppleKiwi") == 0) + continue; + /* I think we found one ! */ + of_irq_dflt_pic = np; + break; + } + } +#endif /* CONFIG_PPC32 */ /* We first try to detect Apple's new Core99 chipset, since mac-io * is quite different on those machines and contains an IBM MPIC2. diff --git a/arch/powerpc/sysdev/axonram.c b/arch/powerpc/sysdev/axonram.c index 402d221..2659a60 100644 --- a/arch/powerpc/sysdev/axonram.c +++ b/arch/powerpc/sysdev/axonram.c @@ -60,7 +60,7 @@ static int azfs_major, azfs_minor; struct axon_ram_bank { - struct of_device *device; + struct platform_device *device; struct gendisk *disk; unsigned int irq_id; unsigned long ph_addr; @@ -72,7 +72,7 @@ struct axon_ram_bank { static ssize_t axon_ram_sysfs_ecc(struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *device = to_of_device(dev); + struct platform_device *device = to_platform_device(dev); struct axon_ram_bank *bank = device->dev.platform_data; BUG_ON(!bank); @@ -90,7 +90,7 @@ static DEVICE_ATTR(ecc, S_IRUGO, axon_ram_sysfs_ecc, NULL); static irqreturn_t axon_ram_irq_handler(int irq, void *dev) { - struct of_device *device = dev; + struct platform_device *device = dev; struct axon_ram_bank *bank = device->dev.platform_data; BUG_ON(!bank); @@ -174,8 +174,8 @@ static const struct block_device_operations axon_ram_devops = { * axon_ram_probe - probe() method for platform driver * @device, @device_id: see of_platform_driver method */ -static int -axon_ram_probe(struct of_device *device, const struct of_device_id *device_id) +static int axon_ram_probe(struct platform_device *device, + const struct of_device_id *device_id) { static int axon_ram_bank_id = -1; struct axon_ram_bank *bank; @@ -304,7 +304,7 @@ failed: * @device: see of_platform_driver method */ static int -axon_ram_remove(struct of_device *device) +axon_ram_remove(struct platform_device *device) { struct axon_ram_bank *bank = device->dev.platform_data; diff --git a/arch/powerpc/sysdev/bestcomm/bestcomm.c b/arch/powerpc/sysdev/bestcomm/bestcomm.c index a7c5c47..6502561 100644 --- a/arch/powerpc/sysdev/bestcomm/bestcomm.c +++ b/arch/powerpc/sysdev/bestcomm/bestcomm.c @@ -365,8 +365,8 @@ bcom_engine_cleanup(void) /* OF platform driver */ /* ======================================================================== */ -static int __devinit -mpc52xx_bcom_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit mpc52xx_bcom_probe(struct platform_device *op, + const struct of_device_id *match) { struct device_node *ofn_sram; struct resource res_bcom; @@ -461,8 +461,7 @@ error_ofput: } -static int -mpc52xx_bcom_remove(struct of_device *op) +static int mpc52xx_bcom_remove(struct platform_device *op) { /* Clean up the engine */ bcom_engine_cleanup(); diff --git a/arch/powerpc/sysdev/bestcomm/sram.c b/arch/powerpc/sysdev/bestcomm/sram.c index 5d74ef7..1225012 100644 --- a/arch/powerpc/sysdev/bestcomm/sram.c +++ b/arch/powerpc/sysdev/bestcomm/sram.c @@ -11,6 +11,7 @@ * kind, whether express or implied. */ +#include <linux/err.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/slab.h> diff --git a/arch/powerpc/sysdev/cpm1.c b/arch/powerpc/sysdev/cpm1.c index 8d103ca..0085212 100644 --- a/arch/powerpc/sysdev/cpm1.c +++ b/arch/powerpc/sysdev/cpm1.c @@ -621,7 +621,6 @@ int cpm1_gpiochip_add16(struct device_node *np) { struct cpm1_gpio16_chip *cpm1_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); @@ -631,11 +630,9 @@ int cpm1_gpiochip_add16(struct device_node *np) spin_lock_init(&cpm1_gc->lock); mm_gc = &cpm1_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = cpm1_gpio16_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = 16; gc->direction_input = cpm1_gpio16_dir_in; gc->direction_output = cpm1_gpio16_dir_out; @@ -745,7 +742,6 @@ int cpm1_gpiochip_add32(struct device_node *np) { struct cpm1_gpio32_chip *cpm1_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; cpm1_gc = kzalloc(sizeof(*cpm1_gc), GFP_KERNEL); @@ -755,11 +751,9 @@ int cpm1_gpiochip_add32(struct device_node *np) spin_lock_init(&cpm1_gc->lock); mm_gc = &cpm1_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = cpm1_gpio32_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = 32; gc->direction_input = cpm1_gpio32_dir_in; gc->direction_output = cpm1_gpio32_dir_out; diff --git a/arch/powerpc/sysdev/cpm_common.c b/arch/powerpc/sysdev/cpm_common.c index 88b9812..2b69aa0 100644 --- a/arch/powerpc/sysdev/cpm_common.c +++ b/arch/powerpc/sysdev/cpm_common.c @@ -325,7 +325,6 @@ int cpm2_gpiochip_add32(struct device_node *np) { struct cpm2_gpio32_chip *cpm2_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; cpm2_gc = kzalloc(sizeof(*cpm2_gc), GFP_KERNEL); @@ -335,11 +334,9 @@ int cpm2_gpiochip_add32(struct device_node *np) spin_lock_init(&cpm2_gc->lock); mm_gc = &cpm2_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = cpm2_gpio32_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = 32; gc->direction_input = cpm2_gpio32_dir_in; gc->direction_output = cpm2_gpio32_dir_out; diff --git a/arch/powerpc/sysdev/fsl_gtm.c b/arch/powerpc/sysdev/fsl_gtm.c index eca4545..7dd2885 100644 --- a/arch/powerpc/sysdev/fsl_gtm.c +++ b/arch/powerpc/sysdev/fsl_gtm.c @@ -14,6 +14,7 @@ */ #include <linux/kernel.h> +#include <linux/err.h> #include <linux/errno.h> #include <linux/list.h> #include <linux/io.h> diff --git a/arch/powerpc/sysdev/fsl_msi.c b/arch/powerpc/sysdev/fsl_msi.c index 962c2d8..87991d3 100644 --- a/arch/powerpc/sysdev/fsl_msi.c +++ b/arch/powerpc/sysdev/fsl_msi.c @@ -250,7 +250,7 @@ unlock: raw_spin_unlock(&desc->lock); } -static int fsl_of_msi_remove(struct of_device *ofdev) +static int fsl_of_msi_remove(struct platform_device *ofdev) { struct fsl_msi *msi = ofdev->dev.platform_data; int virq, i; @@ -274,7 +274,7 @@ static int fsl_of_msi_remove(struct of_device *ofdev) return 0; } -static int __devinit fsl_of_msi_probe(struct of_device *dev, +static int __devinit fsl_of_msi_probe(struct platform_device *dev, const struct of_device_id *match) { struct fsl_msi *msi; diff --git a/arch/powerpc/sysdev/fsl_pmc.c b/arch/powerpc/sysdev/fsl_pmc.c index 9082eb9..44de855 100644 --- a/arch/powerpc/sysdev/fsl_pmc.c +++ b/arch/powerpc/sysdev/fsl_pmc.c @@ -58,7 +58,8 @@ static struct platform_suspend_ops pmc_suspend_ops = { .enter = pmc_suspend_enter, }; -static int pmc_probe(struct of_device *ofdev, const struct of_device_id *id) +static int pmc_probe(struct platform_device *ofdev, + const struct of_device_id *id) { pmc_regs = of_iomap(ofdev->dev.of_node, 0); if (!pmc_regs) diff --git a/arch/powerpc/sysdev/fsl_rio.c b/arch/powerpc/sysdev/fsl_rio.c index 30e1626..8bd8653 100644 --- a/arch/powerpc/sysdev/fsl_rio.c +++ b/arch/powerpc/sysdev/fsl_rio.c @@ -1338,7 +1338,7 @@ static inline void fsl_rio_info(struct device *dev, u32 ccsr) * master port with system-specific info, and registers the * master port with the RapidIO subsystem. */ -int fsl_rio_setup(struct of_device *dev) +int fsl_rio_setup(struct platform_device *dev) { struct rio_ops *ops; struct rio_mport *port; @@ -1536,7 +1536,7 @@ err_ops: /* The probe function for RapidIO peer-to-peer network. */ -static int __devinit fsl_of_rio_rpn_probe(struct of_device *dev, +static int __devinit fsl_of_rio_rpn_probe(struct platform_device *dev, const struct of_device_id *match) { int rc; diff --git a/arch/powerpc/sysdev/mpc8xxx_gpio.c b/arch/powerpc/sysdev/mpc8xxx_gpio.c index 83f5196..2b69084 100644 --- a/arch/powerpc/sysdev/mpc8xxx_gpio.c +++ b/arch/powerpc/sysdev/mpc8xxx_gpio.c @@ -257,7 +257,6 @@ static void __init mpc8xxx_add_controller(struct device_node *np) { struct mpc8xxx_gpio_chip *mpc8xxx_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; unsigned hwirq; int ret; @@ -271,11 +270,9 @@ static void __init mpc8xxx_add_controller(struct device_node *np) spin_lock_init(&mpc8xxx_gc->lock); mm_gc = &mpc8xxx_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = mpc8xxx_gpio_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = MPC8XXX_GPIO_PINS; gc->direction_input = mpc8xxx_gpio_dir_in; gc->direction_output = mpc8xxx_gpio_dir_out; diff --git a/arch/powerpc/sysdev/mv64x60_dev.c b/arch/powerpc/sysdev/mv64x60_dev.c index 31acd3b..1398bc4 100644 --- a/arch/powerpc/sysdev/mv64x60_dev.c +++ b/arch/powerpc/sysdev/mv64x60_dev.c @@ -20,12 +20,7 @@ #include <asm/prom.h> -/* - * These functions provide the necessary setup for the mv64x60 drivers. - * These drivers are unusual in that they work on both the MIPS and PowerPC - * architectures. Because of that, the drivers do not support the normal - * PowerPC of_platform_bus_type. They support platform_bus_type instead. - */ +/* These functions provide the necessary setup for the mv64x60 drivers. */ static struct of_device_id __initdata of_mv64x60_devices[] = { { .compatible = "marvell,mv64306-devctrl", }, diff --git a/arch/powerpc/sysdev/pmi.c b/arch/powerpc/sysdev/pmi.c index d07137a..24a0bb9 100644 --- a/arch/powerpc/sysdev/pmi.c +++ b/arch/powerpc/sysdev/pmi.c @@ -43,7 +43,7 @@ struct pmi_data { struct mutex msg_mutex; pmi_message_t msg; struct completion *completion; - struct of_device *dev; + struct platform_device *dev; int irq; u8 __iomem *pmi_reg; struct work_struct work; @@ -121,7 +121,7 @@ static void pmi_notify_handlers(struct work_struct *work) spin_unlock(&data->handler_spinlock); } -static int pmi_of_probe(struct of_device *dev, +static int pmi_of_probe(struct platform_device *dev, const struct of_device_id *match) { struct device_node *np = dev->dev.of_node; @@ -185,7 +185,7 @@ out: return rc; } -static int pmi_of_remove(struct of_device *dev) +static int pmi_of_remove(struct platform_device *dev) { struct pmi_handler *handler, *tmp; diff --git a/arch/powerpc/sysdev/ppc4xx_gpio.c b/arch/powerpc/sysdev/ppc4xx_gpio.c index 3812fc3..fc65ad1 100644 --- a/arch/powerpc/sysdev/ppc4xx_gpio.c +++ b/arch/powerpc/sysdev/ppc4xx_gpio.c @@ -181,7 +181,6 @@ static int __init ppc4xx_add_gpiochips(void) int ret; struct ppc4xx_gpio_chip *ppc4xx_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; ppc4xx_gc = kzalloc(sizeof(*ppc4xx_gc), GFP_KERNEL); @@ -193,10 +192,8 @@ static int __init ppc4xx_add_gpiochips(void) spin_lock_init(&ppc4xx_gc->lock); mm_gc = &ppc4xx_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; - of_gc->gpio_cells = 2; gc->ngpio = 32; gc->direction_input = ppc4xx_gpio_dir_in; gc->direction_output = ppc4xx_gpio_dir_out; diff --git a/arch/powerpc/sysdev/qe_lib/gpio.c b/arch/powerpc/sysdev/qe_lib/gpio.c index dc8f8d6..36bf845 100644 --- a/arch/powerpc/sysdev/qe_lib/gpio.c +++ b/arch/powerpc/sysdev/qe_lib/gpio.c @@ -138,8 +138,8 @@ struct qe_pin { struct qe_pin *qe_pin_request(struct device_node *np, int index) { struct qe_pin *qe_pin; - struct device_node *gc; - struct of_gpio_chip *of_gc = NULL; + struct device_node *gpio_np; + struct gpio_chip *gc; struct of_mm_gpio_chip *mm_gc; struct qe_gpio_chip *qe_gc; int err; @@ -155,40 +155,40 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index) } err = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index, - &gc, &gpio_spec); + &gpio_np, &gpio_spec); if (err) { pr_debug("%s: can't parse gpios property\n", __func__); goto err0; } - if (!of_device_is_compatible(gc, "fsl,mpc8323-qe-pario-bank")) { + if (!of_device_is_compatible(gpio_np, "fsl,mpc8323-qe-pario-bank")) { pr_debug("%s: tried to get a non-qe pin\n", __func__); err = -EINVAL; goto err1; } - of_gc = gc->data; - if (!of_gc) { + gc = of_node_to_gpiochip(gpio_np); + if (!gc) { pr_debug("%s: gpio controller %s isn't registered\n", - np->full_name, gc->full_name); + np->full_name, gpio_np->full_name); err = -ENODEV; goto err1; } - gpio_cells = of_get_property(gc, "#gpio-cells", &size); + gpio_cells = of_get_property(gpio_np, "#gpio-cells", &size); if (!gpio_cells || size != sizeof(*gpio_cells) || - *gpio_cells != of_gc->gpio_cells) { + *gpio_cells != gc->of_gpio_n_cells) { pr_debug("%s: wrong #gpio-cells for %s\n", - np->full_name, gc->full_name); + np->full_name, gpio_np->full_name); err = -EINVAL; goto err1; } - err = of_gc->xlate(of_gc, np, gpio_spec, NULL); + err = gc->of_xlate(gc, np, gpio_spec, NULL); if (err < 0) goto err1; - mm_gc = to_of_mm_gpio_chip(&of_gc->gc); + mm_gc = to_of_mm_gpio_chip(gc); qe_gc = to_qe_gpio_chip(mm_gc); spin_lock_irqsave(&qe_gc->lock, flags); @@ -206,7 +206,7 @@ struct qe_pin *qe_pin_request(struct device_node *np, int index) if (!err) return qe_pin; err1: - of_node_put(gc); + of_node_put(gpio_np); err0: kfree(qe_pin); pr_debug("%s failed with status %d\n", __func__, err); @@ -307,7 +307,6 @@ static int __init qe_add_gpiochips(void) int ret; struct qe_gpio_chip *qe_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; qe_gc = kzalloc(sizeof(*qe_gc), GFP_KERNEL); @@ -319,11 +318,9 @@ static int __init qe_add_gpiochips(void) spin_lock_init(&qe_gc->lock); mm_gc = &qe_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = qe_gpio_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = QE_PIO_PINS; gc->direction_input = qe_gpio_dir_in; gc->direction_output = qe_gpio_dir_out; diff --git a/arch/powerpc/sysdev/qe_lib/qe.c b/arch/powerpc/sysdev/qe_lib/qe.c index 093e0ae..3da8014 100644 --- a/arch/powerpc/sysdev/qe_lib/qe.c +++ b/arch/powerpc/sysdev/qe_lib/qe.c @@ -651,14 +651,15 @@ unsigned int qe_get_num_of_snums(void) EXPORT_SYMBOL(qe_get_num_of_snums); #if defined(CONFIG_SUSPEND) && defined(CONFIG_PPC_85xx) -static int qe_resume(struct of_device *ofdev) +static int qe_resume(struct platform_device *ofdev) { if (!qe_alive_during_sleep()) qe_reset(); return 0; } -static int qe_probe(struct of_device *ofdev, const struct of_device_id *id) +static int qe_probe(struct platform_device *ofdev, + const struct of_device_id *id) { return 0; } diff --git a/arch/powerpc/sysdev/simple_gpio.c b/arch/powerpc/sysdev/simple_gpio.c index d5fb173..b6defda 100644 --- a/arch/powerpc/sysdev/simple_gpio.c +++ b/arch/powerpc/sysdev/simple_gpio.c @@ -91,7 +91,6 @@ static int __init u8_simple_gpiochip_add(struct device_node *np) int ret; struct u8_gpio_chip *u8_gc; struct of_mm_gpio_chip *mm_gc; - struct of_gpio_chip *of_gc; struct gpio_chip *gc; u8_gc = kzalloc(sizeof(*u8_gc), GFP_KERNEL); @@ -101,11 +100,9 @@ static int __init u8_simple_gpiochip_add(struct device_node *np) spin_lock_init(&u8_gc->lock); mm_gc = &u8_gc->mm_gc; - of_gc = &mm_gc->of_gc; - gc = &of_gc->gc; + gc = &mm_gc->gc; mm_gc->save_regs = u8_gpio_save_regs; - of_gc->gpio_cells = 2; gc->ngpio = 8; gc->direction_input = u8_gpio_dir_in; gc->direction_output = u8_gpio_dir_out; diff --git a/arch/sparc/Kconfig b/arch/sparc/Kconfig index c0015db..ba068c8 100644 --- a/arch/sparc/Kconfig +++ b/arch/sparc/Kconfig @@ -18,6 +18,7 @@ config 64BIT config SPARC bool default y + select OF select HAVE_IDE select HAVE_OPROFILE select HAVE_ARCH_KGDB if !SMP || SPARC64 @@ -148,9 +149,6 @@ config GENERIC_GPIO config ARCH_NO_VIRT_TO_BUS def_bool y -config OF - def_bool y - config ARCH_SUPPORTS_DEBUG_PAGEALLOC def_bool y if SPARC64 diff --git a/arch/sparc/include/asm/device.h b/arch/sparc/include/asm/device.h index d4c4521..daa6a8a 100644 --- a/arch/sparc/include/asm/device.h +++ b/arch/sparc/include/asm/device.h @@ -6,18 +6,25 @@ #ifndef _ASM_SPARC_DEVICE_H #define _ASM_SPARC_DEVICE_H +#include <asm/openprom.h> + struct device_node; -struct of_device; +struct platform_device; struct dev_archdata { void *iommu; void *stc; void *host_controller; - struct of_device *op; + struct platform_device *op; int numa_node; }; +extern void of_propagate_archdata(struct platform_device *bus); + struct pdev_archdata { + struct resource resource[PROMREG_MAX]; + unsigned int irqs[PROMINTR_MAX]; + int num_irqs; }; #endif /* _ASM_SPARC_DEVICE_H */ diff --git a/arch/sparc/include/asm/floppy_64.h b/arch/sparc/include/asm/floppy_64.h index 8fac3ab..6597ce8 100644 --- a/arch/sparc/include/asm/floppy_64.h +++ b/arch/sparc/include/asm/floppy_64.h @@ -43,7 +43,7 @@ struct sun_flpy_controller { /* You'll only ever find one controller on an Ultra anyways. */ static struct sun_flpy_controller *sun_fdc = (struct sun_flpy_controller *)-1; unsigned long fdc_status; -static struct of_device *floppy_op = NULL; +static struct platform_device *floppy_op = NULL; struct sun_floppy_ops { unsigned char (*fd_inb) (unsigned long port); @@ -548,7 +548,7 @@ static unsigned long __init sun_floppy_init(void) { static int initialized = 0; struct device_node *dp; - struct of_device *op; + struct platform_device *op; const char *prop; char state[128]; @@ -567,7 +567,7 @@ static unsigned long __init sun_floppy_init(void) } if (op) { floppy_op = op; - FLOPPY_IRQ = op->irqs[0]; + FLOPPY_IRQ = op->archdata.irqs[0]; } else { struct device_node *ebus_dp; void __iomem *auxio_reg; @@ -593,7 +593,7 @@ static unsigned long __init sun_floppy_init(void) if (state_prop && !strncmp(state_prop, "disabled", 8)) return 0; - FLOPPY_IRQ = op->irqs[0]; + FLOPPY_IRQ = op->archdata.irqs[0]; /* Make sure the high density bit is set, some systems * (most notably Ultra5/Ultra10) come up with it clear. @@ -661,7 +661,7 @@ static unsigned long __init sun_floppy_init(void) config = 0; for (dp = ebus_dp->child; dp; dp = dp->sibling) { if (!strcmp(dp->name, "ecpp")) { - struct of_device *ecpp_op; + struct platform_device *ecpp_op; ecpp_op = of_find_device_by_node(dp); if (ecpp_op) diff --git a/arch/sparc/include/asm/of_device.h b/arch/sparc/include/asm/of_device.h deleted file mode 100644 index f320246..0000000 --- a/arch/sparc/include/asm/of_device.h +++ /dev/null @@ -1,38 +0,0 @@ -#ifndef _ASM_SPARC_OF_DEVICE_H -#define _ASM_SPARC_OF_DEVICE_H -#ifdef __KERNEL__ - -#include <linux/device.h> -#include <linux/of.h> -#include <linux/mod_devicetable.h> -#include <asm/openprom.h> - -/* - * The of_device is a kind of "base class" that is a superset of - * struct device for use by devices attached to an OF node and - * probed using OF properties. - */ -struct of_device -{ - struct device dev; - struct resource resource[PROMREG_MAX]; - unsigned int irqs[PROMINTR_MAX]; - int num_irqs; - - void *sysdata; - - int slot; - int portid; - int clock_freq; -}; - -extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name); -extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size); - -extern void of_propagate_archdata(struct of_device *bus); - -/* This is just here during the transition */ -#include <linux/of_platform.h> - -#endif /* __KERNEL__ */ -#endif /* _ASM_SPARC_OF_DEVICE_H */ diff --git a/arch/sparc/include/asm/of_platform.h b/arch/sparc/include/asm/of_platform.h deleted file mode 100644 index 90da990..0000000 --- a/arch/sparc/include/asm/of_platform.h +++ /dev/null @@ -1,18 +0,0 @@ -#ifndef ___ASM_SPARC_OF_PLATFORM_H -#define ___ASM_SPARC_OF_PLATFORM_H -/* - * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp. - * <benh@kernel.crashing.org> - * Modified for Sparc by merging parts of asm/of_device.h - * by Stephen Rothwell - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - * - */ - -#define of_bus_type of_platform_bus_type /* for compatibility */ - -#endif diff --git a/arch/sparc/include/asm/parport.h b/arch/sparc/include/asm/parport.h index c333b8d..4f7afa0 100644 --- a/arch/sparc/include/asm/parport.h +++ b/arch/sparc/include/asm/parport.h @@ -103,7 +103,7 @@ static inline unsigned int get_dma_residue(unsigned int dmanr) return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info); } -static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit ecpp_probe(struct platform_device *op, const struct of_device_id *match) { unsigned long base = op->resource[0].start; unsigned long config = op->resource[1].start; @@ -116,7 +116,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id parent = op->dev.of_node->parent; if (!strcmp(parent->name, "dma")) { p = parport_pc_probe_port(base, base + 0x400, - op->irqs[0], PARPORT_DMA_NOFIFO, + op->archdata.irqs[0], PARPORT_DMA_NOFIFO, op->dev.parent->parent, 0); if (!p) return -ENOMEM; @@ -166,7 +166,7 @@ static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id 0, PTR_LPT_REG_DIR); p = parport_pc_probe_port(base, base + 0x400, - op->irqs[0], + op->archdata.irqs[0], slot, op->dev.parent, 0); @@ -192,7 +192,7 @@ out_err: return err; } -static int __devexit ecpp_remove(struct of_device *op) +static int __devexit ecpp_remove(struct platform_device *op) { struct parport *p = dev_get_drvdata(&op->dev); int slot = p->dma; @@ -243,9 +243,7 @@ static struct of_platform_driver ecpp_driver = { static int parport_pc_find_nonpci_ports(int autoirq, int autodma) { - of_register_driver(&ecpp_driver, &of_bus_type); - - return 0; + return of_register_platform_driver(&ecpp_driver); } #endif /* !(_ASM_SPARC64_PARPORT_H */ diff --git a/arch/sparc/include/asm/prom.h b/arch/sparc/include/asm/prom.h index f845828..291f125 100644 --- a/arch/sparc/include/asm/prom.h +++ b/arch/sparc/include/asm/prom.h @@ -43,20 +43,22 @@ extern int of_getintprop_default(struct device_node *np, extern int of_find_in_proplist(const char *list, const char *match, int len); #ifdef CONFIG_NUMA extern int of_node_to_nid(struct device_node *dp); -#else -#define of_node_to_nid(dp) (-1) +#define of_node_to_nid of_node_to_nid #endif extern void prom_build_devicetree(void); extern void of_populate_present_mask(void); extern void of_fill_in_cpu_data(void); +struct resource; +extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name); +extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size); + /* These routines are here to provide compatibility with how powerpc * handles IRQ mapping for OF device nodes. We precompute and permanently - * register them in the of_device objects, whereas powerpc computes them + * register them in the platform_device objects, whereas powerpc computes them * on request. */ -extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); static inline void irq_dispose_mapping(unsigned int virq) { } diff --git a/arch/sparc/kernel/apc.c b/arch/sparc/kernel/apc.c index b27476c..2c0046e 100644 --- a/arch/sparc/kernel/apc.c +++ b/arch/sparc/kernel/apc.c @@ -68,7 +68,7 @@ static void apc_swift_idle(void) #endif } -static inline void apc_free(struct of_device *op) +static inline void apc_free(struct platform_device *op) { of_iounmap(&op->resource[0], regs, resource_size(&op->resource[0])); } @@ -136,7 +136,7 @@ static const struct file_operations apc_fops = { static struct miscdevice apc_miscdev = { APC_MINOR, APC_DEVNAME, &apc_fops }; -static int __devinit apc_probe(struct of_device *op, +static int __devinit apc_probe(struct platform_device *op, const struct of_device_id *match) { int err; @@ -184,7 +184,7 @@ static struct of_platform_driver apc_driver = { static int __init apc_init(void) { - return of_register_driver(&apc_driver, &of_bus_type); + return of_register_platform_driver(&apc_driver); } /* This driver is not critical to the boot process diff --git a/arch/sparc/kernel/auxio_64.c b/arch/sparc/kernel/auxio_64.c index ddc8412..3efd3c5 100644 --- a/arch/sparc/kernel/auxio_64.c +++ b/arch/sparc/kernel/auxio_64.c @@ -102,7 +102,8 @@ static struct of_device_id __initdata auxio_match[] = { MODULE_DEVICE_TABLE(of, auxio_match); -static int __devinit auxio_probe(struct of_device *dev, const struct of_device_id *match) +static int __devinit auxio_probe(struct platform_device *dev, + const struct of_device_id *match) { struct device_node *dp = dev->dev.of_node; unsigned long size; @@ -142,7 +143,7 @@ static struct of_platform_driver auxio_driver = { static int __init auxio_init(void) { - return of_register_driver(&auxio_driver, &of_platform_bus_type); + return of_register_platform_driver(&auxio_driver); } /* Must be after subsys_initcall() so that busses are probed. Must diff --git a/arch/sparc/kernel/central.c b/arch/sparc/kernel/central.c index 434335f..cfa2624 100644 --- a/arch/sparc/kernel/central.c +++ b/arch/sparc/kernel/central.c @@ -59,7 +59,7 @@ static int __devinit clock_board_calc_nslots(struct clock_board *p) } } -static int __devinit clock_board_probe(struct of_device *op, +static int __devinit clock_board_probe(struct platform_device *op, const struct of_device_id *match) { struct clock_board *p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -157,7 +157,7 @@ static struct of_platform_driver clock_board_driver = { }, }; -static int __devinit fhc_probe(struct of_device *op, +static int __devinit fhc_probe(struct platform_device *op, const struct of_device_id *match) { struct fhc *p = kzalloc(sizeof(*p), GFP_KERNEL); @@ -265,8 +265,8 @@ static struct of_platform_driver fhc_driver = { static int __init sunfire_init(void) { - (void) of_register_driver(&fhc_driver, &of_platform_bus_type); - (void) of_register_driver(&clock_board_driver, &of_platform_bus_type); + (void) of_register_platform_driver(&fhc_driver); + (void) of_register_platform_driver(&clock_board_driver); return 0; } diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c index 870cb65..08c466e 100644 --- a/arch/sparc/kernel/chmc.c +++ b/arch/sparc/kernel/chmc.c @@ -392,7 +392,7 @@ static void __devinit jbusmc_construct_dimm_groups(struct jbusmc *p, } } -static int __devinit jbusmc_probe(struct of_device *op, +static int __devinit jbusmc_probe(struct platform_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *mem_regs; @@ -690,7 +690,7 @@ static void chmc_fetch_decode_regs(struct chmc *p) chmc_read_mcreg(p, CHMCTRL_DECODE4)); } -static int __devinit chmc_probe(struct of_device *op, +static int __devinit chmc_probe(struct platform_device *op, const struct of_device_id *match) { struct device_node *dp = op->dev.of_node; @@ -765,7 +765,7 @@ out_free: goto out; } -static int __devinit us3mc_probe(struct of_device *op, +static int __devinit us3mc_probe(struct platform_device *op, const struct of_device_id *match) { if (mc_type == MC_TYPE_SAFARI) @@ -775,21 +775,21 @@ static int __devinit us3mc_probe(struct of_device *op, return -ENODEV; } -static void __devexit chmc_destroy(struct of_device *op, struct chmc *p) +static void __devexit chmc_destroy(struct platform_device *op, struct chmc *p) { list_del(&p->list); of_iounmap(&op->resource[0], p->regs, 0x48); kfree(p); } -static void __devexit jbusmc_destroy(struct of_device *op, struct jbusmc *p) +static void __devexit jbusmc_destroy(struct platform_device *op, struct jbusmc *p) { mc_list_del(&p->list); of_iounmap(&op->resource[0], p->regs, JBUSMC_REGS_SIZE); kfree(p); } -static int __devexit us3mc_remove(struct of_device *op) +static int __devexit us3mc_remove(struct platform_device *op) { void *p = dev_get_drvdata(&op->dev); @@ -848,7 +848,7 @@ static int __init us3mc_init(void) ret = register_dimm_printer(us3mc_dimm_printer); if (!ret) { - ret = of_register_driver(&us3mc_driver, &of_bus_type); + ret = of_register_platform_driver(&us3mc_driver); if (ret) unregister_dimm_printer(us3mc_dimm_printer); } @@ -859,7 +859,7 @@ static void __exit us3mc_cleanup(void) { if (us3mc_platform()) { unregister_dimm_printer(us3mc_dimm_printer); - of_unregister_driver(&us3mc_driver); + of_unregister_platform_driver(&us3mc_driver); } } diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c index 703e4aa..41f7e4e 100644 --- a/arch/sparc/kernel/ioport.c +++ b/arch/sparc/kernel/ioport.c @@ -253,7 +253,7 @@ EXPORT_SYMBOL(sbus_set_sbus64); static void *sbus_alloc_coherent(struct device *dev, size_t len, dma_addr_t *dma_addrp, gfp_t gfp) { - struct of_device *op = to_of_device(dev); + struct platform_device *op = to_platform_device(dev); unsigned long len_total = (len + PAGE_SIZE-1) & PAGE_MASK; unsigned long va; struct resource *res; diff --git a/arch/sparc/kernel/of_device_32.c b/arch/sparc/kernel/of_device_32.c index 47e63f1..2d055a1 100644 --- a/arch/sparc/kernel/of_device_32.c +++ b/arch/sparc/kernel/of_device_32.c @@ -241,10 +241,10 @@ static int __init use_1to1_mapping(struct device_node *pp) static int of_resource_verbose; -static void __init build_device_resources(struct of_device *op, +static void __init build_device_resources(struct platform_device *op, struct device *parent) { - struct of_device *p_op; + struct platform_device *p_op; struct of_bus *bus; int na, ns; int index, num_reg; @@ -253,7 +253,7 @@ static void __init build_device_resources(struct of_device *op, if (!parent) return; - p_op = to_of_device(parent); + p_op = to_platform_device(parent); bus = of_match_bus(p_op->dev.of_node); bus->count_cells(op->dev.of_node, &na, &ns); @@ -267,6 +267,8 @@ static void __init build_device_resources(struct of_device *op, /* Conver to num-entries. */ num_reg /= na + ns; + op->resource = op->archdata.resource; + op->num_resources = num_reg; for (index = 0; index < num_reg; index++) { struct resource *r = &op->resource[index]; u32 addr[OF_MAX_ADDR_CELLS]; @@ -333,10 +335,10 @@ static void __init build_device_resources(struct of_device *op, } } -static struct of_device * __init scan_one_device(struct device_node *dp, +static struct platform_device * __init scan_one_device(struct device_node *dp, struct device *parent) { - struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL); + struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL); const struct linux_prom_irqs *intr; struct dev_archdata *sd; int len, i; @@ -349,27 +351,21 @@ static struct of_device * __init scan_one_device(struct device_node *dp, op->dev.of_node = dp; - op->clock_freq = of_getintprop_default(dp, "clock-frequency", - (25*1000*1000)); - op->portid = of_getintprop_default(dp, "upa-portid", -1); - if (op->portid == -1) - op->portid = of_getintprop_default(dp, "portid", -1); - intr = of_get_property(dp, "intr", &len); if (intr) { - op->num_irqs = len / sizeof(struct linux_prom_irqs); - for (i = 0; i < op->num_irqs; i++) - op->irqs[i] = intr[i].pri; + op->archdata.num_irqs = len / sizeof(struct linux_prom_irqs); + for (i = 0; i < op->archdata.num_irqs; i++) + op->archdata.irqs[i] = intr[i].pri; } else { const unsigned int *irq = of_get_property(dp, "interrupts", &len); if (irq) { - op->num_irqs = len / sizeof(unsigned int); - for (i = 0; i < op->num_irqs; i++) - op->irqs[i] = irq[i]; + op->archdata.num_irqs = len / sizeof(unsigned int); + for (i = 0; i < op->archdata.num_irqs; i++) + op->archdata.irqs[i] = irq[i]; } else { - op->num_irqs = 0; + op->archdata.num_irqs = 0; } } if (sparc_cpu_model == sun4d) { @@ -411,8 +407,8 @@ static struct of_device * __init scan_one_device(struct device_node *dp, goto build_resources; } - for (i = 0; i < op->num_irqs; i++) { - int this_irq = op->irqs[i]; + for (i = 0; i < op->archdata.num_irqs; i++) { + int this_irq = op->archdata.irqs[i]; int sbusl = pil_to_sbus[this_irq]; if (sbusl) @@ -420,7 +416,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp, (sbusl << 2) + slot); - op->irqs[i] = this_irq; + op->archdata.irqs[i] = this_irq; } } @@ -428,7 +424,7 @@ build_resources: build_device_resources(op, parent); op->dev.parent = parent; - op->dev.bus = &of_platform_bus_type; + op->dev.bus = &platform_bus_type; if (!parent) dev_set_name(&op->dev, "root"); else @@ -447,7 +443,7 @@ build_resources: static void __init scan_tree(struct device_node *dp, struct device *parent) { while (dp) { - struct of_device *op = scan_one_device(dp, parent); + struct platform_device *op = scan_one_device(dp, parent); if (op) scan_tree(dp->child, &op->dev); @@ -456,30 +452,19 @@ static void __init scan_tree(struct device_node *dp, struct device *parent) } } -static void __init scan_of_devices(void) +static int __init scan_of_devices(void) { struct device_node *root = of_find_node_by_path("/"); - struct of_device *parent; + struct platform_device *parent; parent = scan_one_device(root, NULL); if (!parent) - return; + return 0; scan_tree(root->child, &parent->dev); + return 0; } - -static int __init of_bus_driver_init(void) -{ - int err; - - err = of_bus_type_init(&of_platform_bus_type, "of"); - if (!err) - scan_of_devices(); - - return err; -} - -postcore_initcall(of_bus_driver_init); +postcore_initcall(scan_of_devices); static int __init of_debug(char *str) { diff --git a/arch/sparc/kernel/of_device_64.c b/arch/sparc/kernel/of_device_64.c index 1dae807..63cd4e5 100644 --- a/arch/sparc/kernel/of_device_64.c +++ b/arch/sparc/kernel/of_device_64.c @@ -310,10 +310,10 @@ static int __init use_1to1_mapping(struct device_node *pp) static int of_resource_verbose; -static void __init build_device_resources(struct of_device *op, +static void __init build_device_resources(struct platform_device *op, struct device *parent) { - struct of_device *p_op; + struct platform_device *p_op; struct of_bus *bus; int na, ns; int index, num_reg; @@ -322,7 +322,7 @@ static void __init build_device_resources(struct of_device *op, if (!parent) return; - p_op = to_of_device(parent); + p_op = to_platform_device(parent); bus = of_match_bus(p_op->dev.of_node); bus->count_cells(op->dev.of_node, &na, &ns); @@ -344,6 +344,8 @@ static void __init build_device_resources(struct of_device *op, num_reg = PROMREG_MAX; } + op->resource = op->archdata.resource; + op->num_resources = num_reg; for (index = 0; index < num_reg; index++) { struct resource *r = &op->resource[index]; u32 addr[OF_MAX_ADDR_CELLS]; @@ -526,7 +528,7 @@ static unsigned int __init pci_irq_swizzle(struct device_node *dp, static int of_irq_verbose; -static unsigned int __init build_one_device_irq(struct of_device *op, +static unsigned int __init build_one_device_irq(struct platform_device *op, struct device *parent, unsigned int irq) { @@ -628,10 +630,10 @@ out: return irq; } -static struct of_device * __init scan_one_device(struct device_node *dp, +static struct platform_device * __init scan_one_device(struct device_node *dp, struct device *parent) { - struct of_device *op = kzalloc(sizeof(*op), GFP_KERNEL); + struct platform_device *op = kzalloc(sizeof(*op), GFP_KERNEL); const unsigned int *irq; struct dev_archdata *sd; int len, i; @@ -644,34 +646,28 @@ static struct of_device * __init scan_one_device(struct device_node *dp, op->dev.of_node = dp; - op->clock_freq = of_getintprop_default(dp, "clock-frequency", - (25*1000*1000)); - op->portid = of_getintprop_default(dp, "upa-portid", -1); - if (op->portid == -1) - op->portid = of_getintprop_default(dp, "portid", -1); - irq = of_get_property(dp, "interrupts", &len); if (irq) { - op->num_irqs = len / 4; + op->archdata.num_irqs = len / 4; /* Prevent overrunning the op->irqs[] array. */ - if (op->num_irqs > PROMINTR_MAX) { + if (op->archdata.num_irqs > PROMINTR_MAX) { printk(KERN_WARNING "%s: Too many irqs (%d), " "limiting to %d.\n", - dp->full_name, op->num_irqs, PROMINTR_MAX); - op->num_irqs = PROMINTR_MAX; + dp->full_name, op->archdata.num_irqs, PROMINTR_MAX); + op->archdata.num_irqs = PROMINTR_MAX; } - memcpy(op->irqs, irq, op->num_irqs * 4); + memcpy(op->archdata.irqs, irq, op->archdata.num_irqs * 4); } else { - op->num_irqs = 0; + op->archdata.num_irqs = 0; } build_device_resources(op, parent); - for (i = 0; i < op->num_irqs; i++) - op->irqs[i] = build_one_device_irq(op, parent, op->irqs[i]); + for (i = 0; i < op->archdata.num_irqs; i++) + op->archdata.irqs[i] = build_one_device_irq(op, parent, op->archdata.irqs[i]); op->dev.parent = parent; - op->dev.bus = &of_platform_bus_type; + op->dev.bus = &platform_bus_type; if (!parent) dev_set_name(&op->dev, "root"); else @@ -690,7 +686,7 @@ static struct of_device * __init scan_one_device(struct device_node *dp, static void __init scan_tree(struct device_node *dp, struct device *parent) { while (dp) { - struct of_device *op = scan_one_device(dp, parent); + struct platform_device *op = scan_one_device(dp, parent); if (op) scan_tree(dp->child, &op->dev); @@ -699,30 +695,19 @@ static void __init scan_tree(struct device_node *dp, struct device *parent) } } -static void __init scan_of_devices(void) +static int __init scan_of_devices(void) { struct device_node *root = of_find_node_by_path("/"); - struct of_device *parent; + struct platform_device *parent; parent = scan_one_device(root, NULL); if (!parent) - return; + return 0; scan_tree(root->child, &parent->dev); + return 0; } - -static int __init of_bus_driver_init(void) -{ - int err; - - err = of_bus_type_init(&of_platform_bus_type, "of"); - if (!err) - scan_of_devices(); - - return err; -} - -postcore_initcall(of_bus_driver_init); +postcore_initcall(scan_of_devices); static int __init of_debug(char *str) { diff --git a/arch/sparc/kernel/of_device_common.c b/arch/sparc/kernel/of_device_common.c index 10c6c36..49ddff5 100644 --- a/arch/sparc/kernel/of_device_common.c +++ b/arch/sparc/kernel/of_device_common.c @@ -11,48 +11,28 @@ #include "of_device_common.h" -static int node_match(struct device *dev, void *data) -{ - struct of_device *op = to_of_device(dev); - struct device_node *dp = data; - - return (op->dev.of_node == dp); -} - -struct of_device *of_find_device_by_node(struct device_node *dp) -{ - struct device *dev = bus_find_device(&of_platform_bus_type, NULL, - dp, node_match); - - if (dev) - return to_of_device(dev); - - return NULL; -} -EXPORT_SYMBOL(of_find_device_by_node); - unsigned int irq_of_parse_and_map(struct device_node *node, int index) { - struct of_device *op = of_find_device_by_node(node); + struct platform_device *op = of_find_device_by_node(node); - if (!op || index >= op->num_irqs) + if (!op || index >= op->archdata.num_irqs) return 0; - return op->irqs[index]; + return op->archdata.irqs[index]; } EXPORT_SYMBOL(irq_of_parse_and_map); /* Take the archdata values for IOMMU, STC, and HOSTDATA found in - * BUS and propagate to all child of_device objects. + * BUS and propagate to all child platform_device objects. */ -void of_propagate_archdata(struct of_device *bus) +void of_propagate_archdata(struct platform_device *bus) { struct dev_archdata *bus_sd = &bus->dev.archdata; struct device_node *bus_dp = bus->dev.of_node; struct device_node *dp; for (dp = bus_dp->child; dp; dp = dp->sibling) { - struct of_device *op = of_find_device_by_node(dp); + struct platform_device *op = of_find_device_by_node(dp); op->dev.archdata.iommu = bus_sd->iommu; op->dev.archdata.stc = bus_sd->stc; @@ -64,9 +44,6 @@ void of_propagate_archdata(struct of_device *bus) } } -struct bus_type of_platform_bus_type; -EXPORT_SYMBOL(of_platform_bus_type); - static void get_cells(struct device_node *dp, int *addrc, int *sizec) { if (addrc) diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 8a8363a..4137579 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -198,7 +198,7 @@ static unsigned long pci_parse_of_flags(u32 addr0) * into physical address resources, we only have to figure out the register * mapping. */ -static void pci_parse_of_addrs(struct of_device *op, +static void pci_parse_of_addrs(struct platform_device *op, struct device_node *node, struct pci_dev *dev) { @@ -248,7 +248,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, { struct dev_archdata *sd; struct pci_slot *slot; - struct of_device *op; + struct platform_device *op; struct pci_dev *dev; const char *type; u32 class; @@ -340,7 +340,7 @@ static struct pci_dev *of_create_pci_dev(struct pci_pbm_info *pbm, dev->hdr_type = PCI_HEADER_TYPE_NORMAL; dev->rom_base_reg = PCI_ROM_ADDRESS; - dev->irq = sd->op->irqs[0]; + dev->irq = sd->op->archdata.irqs[0]; if (dev->irq == 0xffffffff) dev->irq = PCI_IRQ_NONE; } diff --git a/arch/sparc/kernel/pci_fire.c b/arch/sparc/kernel/pci_fire.c index 51cfa09..efb896d 100644 --- a/arch/sparc/kernel/pci_fire.c +++ b/arch/sparc/kernel/pci_fire.c @@ -410,7 +410,7 @@ static void pci_fire_hw_init(struct pci_pbm_info *pbm) } static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm, - struct of_device *op, u32 portid) + struct platform_device *op, u32 portid) { const struct linux_prom64_registers *regs; struct device_node *dp = op->dev.of_node; @@ -455,7 +455,7 @@ static int __devinit pci_fire_pbm_init(struct pci_pbm_info *pbm, return 0; } -static int __devinit fire_probe(struct of_device *op, +static int __devinit fire_probe(struct platform_device *op, const struct of_device_id *match) { struct device_node *dp = op->dev.of_node; @@ -518,7 +518,7 @@ static struct of_platform_driver fire_driver = { static int __init fire_init(void) { - return of_register_driver(&fire_driver, &of_bus_type); + return of_register_platform_driver(&fire_driver); } subsys_initcall(fire_init); diff --git a/arch/sparc/kernel/pci_impl.h b/arch/sparc/kernel/pci_impl.h index 0318682..e20ed5f 100644 --- a/arch/sparc/kernel/pci_impl.h +++ b/arch/sparc/kernel/pci_impl.h @@ -91,7 +91,7 @@ struct pci_pbm_info { char *name; /* OBP specific information. */ - struct of_device *op; + struct platform_device *op; u64 ino_bitmap; /* PBM I/O and Memory space resources. */ diff --git a/arch/sparc/kernel/pci_psycho.c b/arch/sparc/kernel/pci_psycho.c index 558a705..22eab7c 100644 --- a/arch/sparc/kernel/pci_psycho.c +++ b/arch/sparc/kernel/pci_psycho.c @@ -285,7 +285,7 @@ static irqreturn_t psycho_ce_intr(int irq, void *dev_id) #define PSYCHO_ECCCTRL_CE 0x2000000000000000UL /* Enable CE INterrupts */ static void psycho_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); + struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node); unsigned long base = pbm->controller_regs; u64 tmp; int err; @@ -302,23 +302,23 @@ static void psycho_register_error_handlers(struct pci_pbm_info *pbm) * 5: POWER MANAGEMENT */ - if (op->num_irqs < 6) + if (op->archdata.num_irqs < 6) return; /* We really mean to ignore the return result here. Two * PCI controller share the same interrupt numbers and * drive the same front-end hardware. */ - err = request_irq(op->irqs[1], psycho_ue_intr, IRQF_SHARED, + err = request_irq(op->archdata.irqs[1], psycho_ue_intr, IRQF_SHARED, "PSYCHO_UE", pbm); - err = request_irq(op->irqs[2], psycho_ce_intr, IRQF_SHARED, + err = request_irq(op->archdata.irqs[2], psycho_ce_intr, IRQF_SHARED, "PSYCHO_CE", pbm); /* This one, however, ought not to fail. We can just warn * about it since the system can still operate properly even * if this fails. */ - err = request_irq(op->irqs[0], psycho_pcierr_intr, IRQF_SHARED, + err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, IRQF_SHARED, "PSYCHO_PCIERR", pbm); if (err) printk(KERN_WARNING "%s: Could not register PCIERR, " @@ -483,7 +483,7 @@ static void psycho_pbm_strbuf_init(struct pci_pbm_info *pbm, #define PSYCHO_MEMSPACE_SIZE 0x07fffffffUL static void __devinit psycho_pbm_init(struct pci_pbm_info *pbm, - struct of_device *op, int is_pbm_a) + struct platform_device *op, int is_pbm_a) { psycho_pbm_init_common(pbm, op, "PSYCHO", PBM_CHIP_TYPE_PSYCHO); psycho_pbm_strbuf_init(pbm, is_pbm_a); @@ -503,7 +503,7 @@ static struct pci_pbm_info * __devinit psycho_find_sibling(u32 upa_portid) #define PSYCHO_CONFIGSPACE 0x001000000UL -static int __devinit psycho_probe(struct of_device *op, +static int __devinit psycho_probe(struct platform_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *pr_regs; @@ -612,7 +612,7 @@ static struct of_platform_driver psycho_driver = { static int __init psycho_init(void) { - return of_register_driver(&psycho_driver, &of_bus_type); + return of_register_platform_driver(&psycho_driver); } subsys_initcall(psycho_init); diff --git a/arch/sparc/kernel/pci_sabre.c b/arch/sparc/kernel/pci_sabre.c index 6dad8e3..5c3f5ec 100644 --- a/arch/sparc/kernel/pci_sabre.c +++ b/arch/sparc/kernel/pci_sabre.c @@ -311,7 +311,7 @@ static irqreturn_t sabre_ce_intr(int irq, void *dev_id) static void sabre_register_error_handlers(struct pci_pbm_info *pbm) { struct device_node *dp = pbm->op->dev.of_node; - struct of_device *op; + struct platform_device *op; unsigned long base = pbm->controller_regs; u64 tmp; int err; @@ -329,7 +329,7 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm) * 2: CE ERR * 3: POWER FAIL */ - if (op->num_irqs < 4) + if (op->archdata.num_irqs < 4) return; /* We clear the error bits in the appropriate AFSR before @@ -341,7 +341,7 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm) SABRE_UEAFSR_SDTE | SABRE_UEAFSR_PDTE), base + SABRE_UE_AFSR); - err = request_irq(op->irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm); + err = request_irq(op->archdata.irqs[1], sabre_ue_intr, 0, "SABRE_UE", pbm); if (err) printk(KERN_WARNING "%s: Couldn't register UE, err=%d.\n", pbm->name, err); @@ -351,11 +351,11 @@ static void sabre_register_error_handlers(struct pci_pbm_info *pbm) base + SABRE_CE_AFSR); - err = request_irq(op->irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm); + err = request_irq(op->archdata.irqs[2], sabre_ce_intr, 0, "SABRE_CE", pbm); if (err) printk(KERN_WARNING "%s: Couldn't register CE, err=%d.\n", pbm->name, err); - err = request_irq(op->irqs[0], psycho_pcierr_intr, 0, + err = request_irq(op->archdata.irqs[0], psycho_pcierr_intr, 0, "SABRE_PCIERR", pbm); if (err) printk(KERN_WARNING "%s: Couldn't register PCIERR, err=%d.\n", @@ -443,7 +443,7 @@ static void __devinit sabre_scan_bus(struct pci_pbm_info *pbm, } static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm, - struct of_device *op) + struct platform_device *op) { psycho_pbm_init_common(pbm, op, "SABRE", PBM_CHIP_TYPE_SABRE); pbm->pci_afsr = pbm->controller_regs + SABRE_PIOAFSR; @@ -452,7 +452,7 @@ static void __devinit sabre_pbm_init(struct pci_pbm_info *pbm, sabre_scan_bus(pbm, &op->dev); } -static int __devinit sabre_probe(struct of_device *op, +static int __devinit sabre_probe(struct platform_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *pr_regs; @@ -606,7 +606,7 @@ static struct of_platform_driver sabre_driver = { static int __init sabre_init(void) { - return of_register_driver(&sabre_driver, &of_bus_type); + return of_register_platform_driver(&sabre_driver); } subsys_initcall(sabre_init); diff --git a/arch/sparc/kernel/pci_schizo.c b/arch/sparc/kernel/pci_schizo.c index 97a1ae2..445a47a 100644 --- a/arch/sparc/kernel/pci_schizo.c +++ b/arch/sparc/kernel/pci_schizo.c @@ -844,7 +844,7 @@ static int pbm_routes_this_ino(struct pci_pbm_info *pbm, u32 ino) */ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); + struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node); u64 tmp, err_mask, err_no_mask; int err; @@ -857,14 +857,14 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) */ if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) { - err = request_irq(op->irqs[1], schizo_ue_intr, 0, + err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0, "TOMATILLO_UE", pbm); if (err) printk(KERN_WARNING "%s: Could not register UE, " "err=%d\n", pbm->name, err); } if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) { - err = request_irq(op->irqs[2], schizo_ce_intr, 0, + err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0, "TOMATILLO_CE", pbm); if (err) printk(KERN_WARNING "%s: Could not register CE, " @@ -872,10 +872,10 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) } err = 0; if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) { - err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0, "TOMATILLO_PCIERR", pbm); } else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) { - err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0, "TOMATILLO_PCIERR", pbm); } if (err) @@ -883,7 +883,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) "err=%d\n", pbm->name, err); if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) { - err = request_irq(op->irqs[3], schizo_safarierr_intr, 0, + err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0, "TOMATILLO_SERR", pbm); if (err) printk(KERN_WARNING "%s: Could not register SERR, " @@ -939,7 +939,7 @@ static void tomatillo_register_error_handlers(struct pci_pbm_info *pbm) static void schizo_register_error_handlers(struct pci_pbm_info *pbm) { - struct of_device *op = of_find_device_by_node(pbm->op->dev.of_node); + struct platform_device *op = of_find_device_by_node(pbm->op->dev.of_node); u64 tmp, err_mask, err_no_mask; int err; @@ -952,14 +952,14 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm) */ if (pbm_routes_this_ino(pbm, SCHIZO_UE_INO)) { - err = request_irq(op->irqs[1], schizo_ue_intr, 0, + err = request_irq(op->archdata.irqs[1], schizo_ue_intr, 0, "SCHIZO_UE", pbm); if (err) printk(KERN_WARNING "%s: Could not register UE, " "err=%d\n", pbm->name, err); } if (pbm_routes_this_ino(pbm, SCHIZO_CE_INO)) { - err = request_irq(op->irqs[2], schizo_ce_intr, 0, + err = request_irq(op->archdata.irqs[2], schizo_ce_intr, 0, "SCHIZO_CE", pbm); if (err) printk(KERN_WARNING "%s: Could not register CE, " @@ -967,10 +967,10 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm) } err = 0; if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_A_INO)) { - err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0, "SCHIZO_PCIERR", pbm); } else if (pbm_routes_this_ino(pbm, SCHIZO_PCIERR_B_INO)) { - err = request_irq(op->irqs[0], schizo_pcierr_intr, 0, + err = request_irq(op->archdata.irqs[0], schizo_pcierr_intr, 0, "SCHIZO_PCIERR", pbm); } if (err) @@ -978,7 +978,7 @@ static void schizo_register_error_handlers(struct pci_pbm_info *pbm) "err=%d\n", pbm->name, err); if (pbm_routes_this_ino(pbm, SCHIZO_SERR_INO)) { - err = request_irq(op->irqs[3], schizo_safarierr_intr, 0, + err = request_irq(op->archdata.irqs[3], schizo_safarierr_intr, 0, "SCHIZO_SERR", pbm); if (err) printk(KERN_WARNING "%s: Could not register SERR, " @@ -1307,7 +1307,7 @@ static void schizo_pbm_hw_init(struct pci_pbm_info *pbm) } static int __devinit schizo_pbm_init(struct pci_pbm_info *pbm, - struct of_device *op, u32 portid, + struct platform_device *op, u32 portid, int chip_type) { const struct linux_prom64_registers *regs; @@ -1413,7 +1413,7 @@ static struct pci_pbm_info * __devinit schizo_find_sibling(u32 portid, return NULL; } -static int __devinit __schizo_init(struct of_device *op, unsigned long chip_type) +static int __devinit __schizo_init(struct platform_device *op, unsigned long chip_type) { struct device_node *dp = op->dev.of_node; struct pci_pbm_info *pbm; @@ -1460,7 +1460,7 @@ out_err: return err; } -static int __devinit schizo_probe(struct of_device *op, +static int __devinit schizo_probe(struct platform_device *op, const struct of_device_id *match) { return __schizo_init(op, (unsigned long) match->data); @@ -1501,7 +1501,7 @@ static struct of_platform_driver schizo_driver = { static int __init schizo_init(void) { - return of_register_driver(&schizo_driver, &of_bus_type); + return of_register_platform_driver(&schizo_driver); } subsys_initcall(schizo_init); diff --git a/arch/sparc/kernel/pci_sun4v.c b/arch/sparc/kernel/pci_sun4v.c index a24af6f..743344a 100644 --- a/arch/sparc/kernel/pci_sun4v.c +++ b/arch/sparc/kernel/pci_sun4v.c @@ -879,7 +879,7 @@ static void pci_sun4v_msi_init(struct pci_pbm_info *pbm) #endif /* !(CONFIG_PCI_MSI) */ static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm, - struct of_device *op, u32 devhandle) + struct platform_device *op, u32 devhandle) { struct device_node *dp = op->dev.of_node; int err; @@ -918,7 +918,7 @@ static int __devinit pci_sun4v_pbm_init(struct pci_pbm_info *pbm, return 0; } -static int __devinit pci_sun4v_probe(struct of_device *op, +static int __devinit pci_sun4v_probe(struct platform_device *op, const struct of_device_id *match) { const struct linux_prom64_registers *regs; @@ -1019,7 +1019,7 @@ static struct of_platform_driver pci_sun4v_driver = { static int __init pci_sun4v_init(void) { - return of_register_driver(&pci_sun4v_driver, &of_bus_type); + return of_register_platform_driver(&pci_sun4v_driver); } subsys_initcall(pci_sun4v_init); diff --git a/arch/sparc/kernel/pmc.c b/arch/sparc/kernel/pmc.c index 9589d8b..94536a8 100644 --- a/arch/sparc/kernel/pmc.c +++ b/arch/sparc/kernel/pmc.c @@ -51,7 +51,7 @@ static void pmc_swift_idle(void) #endif } -static int __devinit pmc_probe(struct of_device *op, +static int __devinit pmc_probe(struct platform_device *op, const struct of_device_id *match) { regs = of_ioremap(&op->resource[0], 0, @@ -89,7 +89,7 @@ static struct of_platform_driver pmc_driver = { static int __init pmc_init(void) { - return of_register_driver(&pmc_driver, &of_bus_type); + return of_register_platform_driver(&pmc_driver); } /* This driver is not critical to the boot process diff --git a/arch/sparc/kernel/power.c b/arch/sparc/kernel/power.c index 168d4cb..2c59f4d 100644 --- a/arch/sparc/kernel/power.c +++ b/arch/sparc/kernel/power.c @@ -33,10 +33,10 @@ static int __devinit has_button_interrupt(unsigned int irq, struct device_node * return 1; } -static int __devinit power_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit power_probe(struct platform_device *op, const struct of_device_id *match) { struct resource *res = &op->resource[0]; - unsigned int irq= op->irqs[0]; + unsigned int irq = op->archdata.irqs[0]; power_reg = of_ioremap(res, 0, 0x4, "power"); @@ -70,7 +70,7 @@ static struct of_platform_driver power_driver = { static int __init power_init(void) { - return of_register_driver(&power_driver, &of_platform_bus_type); + return of_register_platform_driver(&power_driver); } device_initcall(power_init); diff --git a/arch/sparc/kernel/prom.h b/arch/sparc/kernel/prom.h index a8591ef..eeb04a7 100644 --- a/arch/sparc/kernel/prom.h +++ b/arch/sparc/kernel/prom.h @@ -9,14 +9,6 @@ extern void irq_trans_init(struct device_node *dp); extern unsigned int prom_unique_id; -static inline int is_root_node(const struct device_node *dp) -{ - if (!dp) - return 0; - - return (dp->parent == NULL); -} - extern char *build_path_component(struct device_node *dp); extern void of_console_init(void); diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c index 466a327..86597d9 100644 --- a/arch/sparc/kernel/prom_64.c +++ b/arch/sparc/kernel/prom_64.c @@ -21,7 +21,7 @@ #include <linux/mm.h> #include <linux/module.h> #include <linux/memblock.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <asm/prom.h> #include <asm/oplib.h> @@ -81,7 +81,7 @@ static void __init sun4v_path_component(struct device_node *dp, char *tmp_buf) return; regs = rprop->value; - if (!is_root_node(dp->parent)) { + if (!of_node_is_root(dp->parent)) { sprintf(tmp_buf, "%s@%x,%x", dp->name, (unsigned int) (regs->phys_addr >> 32UL), @@ -121,7 +121,7 @@ static void __init sun4u_path_component(struct device_node *dp, char *tmp_buf) return; regs = prop->value; - if (!is_root_node(dp->parent)) { + if (!of_node_is_root(dp->parent)) { sprintf(tmp_buf, "%s@%x,%x", dp->name, (unsigned int) (regs->phys_addr >> 32UL), diff --git a/arch/sparc/kernel/prom_common.c b/arch/sparc/kernel/prom_common.c index 57ac9e2..1f830da 100644 --- a/arch/sparc/kernel/prom_common.c +++ b/arch/sparc/kernel/prom_common.c @@ -244,7 +244,7 @@ char * __init build_full_name(struct device_node *dp) n = prom_early_alloc(len); strcpy(n, dp->parent->full_name); - if (!is_root_node(dp->parent)) { + if (!of_node_is_root(dp->parent)) { strcpy(n + plen, "/"); plen++; } diff --git a/arch/sparc/kernel/prom_irqtrans.c b/arch/sparc/kernel/prom_irqtrans.c index 5702ad4..ce65114 100644 --- a/arch/sparc/kernel/prom_irqtrans.c +++ b/arch/sparc/kernel/prom_irqtrans.c @@ -719,7 +719,7 @@ static unsigned int central_build_irq(struct device_node *dp, void *_data) { struct device_node *central_dp = _data; - struct of_device *central_op = of_find_device_by_node(central_dp); + struct platform_device *central_op = of_find_device_by_node(central_dp); struct resource *res; unsigned long imap, iclr; u32 tmp; diff --git a/arch/sparc/kernel/psycho_common.c b/arch/sparc/kernel/psycho_common.c index 3f34ac8..fe2af66 100644 --- a/arch/sparc/kernel/psycho_common.c +++ b/arch/sparc/kernel/psycho_common.c @@ -447,7 +447,7 @@ int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize, } -void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct of_device *op, +void psycho_pbm_init_common(struct pci_pbm_info *pbm, struct platform_device *op, const char *chip_name, int chip_type) { struct device_node *dp = op->dev.of_node; diff --git a/arch/sparc/kernel/psycho_common.h b/arch/sparc/kernel/psycho_common.h index 092c278..590b4ed 100644 --- a/arch/sparc/kernel/psycho_common.h +++ b/arch/sparc/kernel/psycho_common.h @@ -42,7 +42,7 @@ extern int psycho_iommu_init(struct pci_pbm_info *pbm, int tsbsize, unsigned long write_complete_offset); extern void psycho_pbm_init_common(struct pci_pbm_info *pbm, - struct of_device *op, + struct platform_device *op, const char *chip_name, int chip_type); #endif /* _PSYCHO_COMMON_H */ diff --git a/arch/sparc/kernel/sbus.c b/arch/sparc/kernel/sbus.c index cfeaf04..2ca32d1 100644 --- a/arch/sparc/kernel/sbus.c +++ b/arch/sparc/kernel/sbus.c @@ -57,7 +57,7 @@ void sbus_set_sbus64(struct device *dev, int bursts) { struct iommu *iommu = dev->archdata.iommu; - struct of_device *op = to_of_device(dev); + struct platform_device *op = to_platform_device(dev); const struct linux_prom_registers *regs; unsigned long cfg_reg; int slot; @@ -204,7 +204,7 @@ static unsigned long sysio_imap_to_iclr(unsigned long imap) return imap + diff; } -static unsigned int sbus_build_irq(struct of_device *op, unsigned int ino) +static unsigned int sbus_build_irq(struct platform_device *op, unsigned int ino) { struct iommu *iommu = op->dev.archdata.iommu; unsigned long reg_base = iommu->write_complete_reg - 0x2000UL; @@ -267,7 +267,7 @@ static unsigned int sbus_build_irq(struct of_device *op, unsigned int ino) #define SYSIO_UEAFSR_RESV2 0x0000001fffffffffUL /* Reserved */ static irqreturn_t sysio_ue_handler(int irq, void *dev_id) { - struct of_device *op = dev_id; + struct platform_device *op = dev_id; struct iommu *iommu = op->dev.archdata.iommu; unsigned long reg_base = iommu->write_complete_reg - 0x2000UL; unsigned long afsr_reg, afar_reg; @@ -341,7 +341,7 @@ static irqreturn_t sysio_ue_handler(int irq, void *dev_id) #define SYSIO_CEAFSR_RESV2 0x0000001fffffffffUL /* Reserved */ static irqreturn_t sysio_ce_handler(int irq, void *dev_id) { - struct of_device *op = dev_id; + struct platform_device *op = dev_id; struct iommu *iommu = op->dev.archdata.iommu; unsigned long reg_base = iommu->write_complete_reg - 0x2000UL; unsigned long afsr_reg, afar_reg; @@ -420,7 +420,7 @@ static irqreturn_t sysio_ce_handler(int irq, void *dev_id) #define SYSIO_SBAFSR_RESV3 0x0000001fffffffffUL /* Reserved */ static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id) { - struct of_device *op = dev_id; + struct platform_device *op = dev_id; struct iommu *iommu = op->dev.archdata.iommu; unsigned long afsr_reg, afar_reg, reg_base; unsigned long afsr, afar, error_bits; @@ -488,7 +488,7 @@ static irqreturn_t sysio_sbus_error_handler(int irq, void *dev_id) #define SYSIO_CE_INO 0x35 #define SYSIO_SBUSERR_INO 0x36 -static void __init sysio_register_error_handlers(struct of_device *op) +static void __init sysio_register_error_handlers(struct platform_device *op) { struct iommu *iommu = op->dev.archdata.iommu; unsigned long reg_base = iommu->write_complete_reg - 0x2000UL; @@ -534,7 +534,7 @@ static void __init sysio_register_error_handlers(struct of_device *op) } /* Boot time initialization. */ -static void __init sbus_iommu_init(struct of_device *op) +static void __init sbus_iommu_init(struct platform_device *op) { const struct linux_prom64_registers *pr; struct device_node *dp = op->dev.of_node; @@ -663,7 +663,7 @@ static int __init sbus_init(void) struct device_node *dp; for_each_node_by_name(dp, "sbus") { - struct of_device *op = of_find_device_by_node(dp); + struct platform_device *op = of_find_device_by_node(dp); sbus_iommu_init(op); of_propagate_archdata(op); diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c index e404b06..9c743b1 100644 --- a/arch/sparc/kernel/time_32.c +++ b/arch/sparc/kernel/time_32.c @@ -142,7 +142,7 @@ static struct platform_device m48t59_rtc = { }, }; -static int __devinit clock_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit clock_probe(struct platform_device *op, const struct of_device_id *match) { struct device_node *dp = op->dev.of_node; const char *model = of_get_property(dp, "model", NULL); @@ -189,7 +189,7 @@ static struct of_platform_driver clock_driver = { /* Probe for the mostek real time clock chip. */ static int __init clock_init(void) { - return of_register_driver(&clock_driver, &of_platform_bus_type); + return of_register_platform_driver(&clock_driver); } /* Must be after subsys_initcall() so that busses are probed. Must * be before device_initcall() because things like the RTC driver diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c index 21e9fca..3bc9c99 100644 --- a/arch/sparc/kernel/time_64.c +++ b/arch/sparc/kernel/time_64.c @@ -419,7 +419,7 @@ static struct platform_device rtc_cmos_device = { .num_resources = 1, }; -static int __devinit rtc_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit rtc_probe(struct platform_device *op, const struct of_device_id *match) { struct resource *r; @@ -477,7 +477,7 @@ static struct platform_device rtc_bq4802_device = { .num_resources = 1, }; -static int __devinit bq4802_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit bq4802_probe(struct platform_device *op, const struct of_device_id *match) { printk(KERN_INFO "%s: BQ4802 regs at 0x%llx\n", @@ -534,7 +534,7 @@ static struct platform_device m48t59_rtc = { }, }; -static int __devinit mostek_probe(struct of_device *op, const struct of_device_id *match) +static int __devinit mostek_probe(struct platform_device *op, const struct of_device_id *match) { struct device_node *dp = op->dev.of_node; @@ -586,9 +586,9 @@ static int __init clock_init(void) if (tlb_type == hypervisor) return platform_device_register(&rtc_sun4v_device); - (void) of_register_driver(&rtc_driver, &of_platform_bus_type); - (void) of_register_driver(&mostek_driver, &of_platform_bus_type); - (void) of_register_driver(&bq4802_driver, &of_platform_bus_type); + (void) of_register_platform_driver(&rtc_driver); + (void) of_register_platform_driver(&mostek_driver); + (void) of_register_platform_driver(&bq4802_driver); return 0; } diff --git a/arch/sparc/mm/io-unit.c b/arch/sparc/mm/io-unit.c index 005e758..fc58c3e 100644 --- a/arch/sparc/mm/io-unit.c +++ b/arch/sparc/mm/io-unit.c @@ -35,7 +35,7 @@ #define IOPERM (IOUPTE_CACHE | IOUPTE_WRITE | IOUPTE_VALID) #define MKIOPTE(phys) __iopte((((phys)>>4) & IOUPTE_PAGE) | IOPERM) -static void __init iounit_iommu_init(struct of_device *op) +static void __init iounit_iommu_init(struct platform_device *op) { struct iounit_struct *iounit; iopte_t *xpt, *xptend; @@ -74,7 +74,7 @@ static int __init iounit_init(void) struct device_node *dp; for_each_node_by_name(dp, "sbi") { - struct of_device *op = of_find_device_by_node(dp); + struct platform_device *op = of_find_device_by_node(dp); iounit_iommu_init(op); of_propagate_archdata(op); diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c index 0e8ae29..07fc6a6 100644 --- a/arch/sparc/mm/iommu.c +++ b/arch/sparc/mm/iommu.c @@ -56,7 +56,7 @@ static pgprot_t dvma_prot; /* Consistent mapping pte flags */ #define IOPERM (IOPTE_CACHE | IOPTE_WRITE | IOPTE_VALID) #define MKIOPTE(pfn, perm) (((((pfn)<<8) & IOPTE_PAGE) | (perm)) & ~IOPTE_WAZ) -static void __init sbus_iommu_init(struct of_device *op) +static void __init sbus_iommu_init(struct platform_device *op) { struct iommu_struct *iommu; unsigned int impl, vers; @@ -132,7 +132,7 @@ static int __init iommu_init(void) struct device_node *dp; for_each_node_by_name(dp, "iommu") { - struct of_device *op = of_find_device_by_node(dp); + struct platform_device *op = of_find_device_by_node(dp); sbus_iommu_init(op); of_propagate_archdata(op); diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c index da8f176..b7385e0 100644 --- a/drivers/atm/fore200e.c +++ b/drivers/atm/fore200e.c @@ -2657,7 +2657,7 @@ static int __devinit fore200e_sba_probe(struct of_device *op, fore200e->bus = bus; fore200e->bus_dev = op; - fore200e->irq = op->irqs[0]; + fore200e->irq = op->archdata.irqs[0]; fore200e->phys_base = op->resource[0].start; sprintf(fore200e->name, "%s-%d", bus->model_name, index); @@ -2795,7 +2795,7 @@ static int __init fore200e_module_init(void) printk(FORE200E "FORE Systems 200E-series ATM driver - version " FORE200E_VERSION "\n"); #ifdef CONFIG_SBUS - err = of_register_driver(&fore200e_sba_driver, &of_bus_type); + err = of_register_platform_driver(&fore200e_sba_driver); if (err) return err; #endif @@ -2806,7 +2806,7 @@ static int __init fore200e_module_init(void) #ifdef CONFIG_SBUS if (err) - of_unregister_driver(&fore200e_sba_driver); + of_unregister_platform_driver(&fore200e_sba_driver); #endif return err; @@ -2818,7 +2818,7 @@ static void __exit fore200e_module_cleanup(void) pci_unregister_driver(&fore200e_pca_driver); #endif #ifdef CONFIG_SBUS - of_unregister_driver(&fore200e_sba_driver); + of_unregister_platform_driver(&fore200e_sba_driver); #endif } diff --git a/drivers/base/platform.c b/drivers/base/platform.c index 4d99c8b..f699fab 100644 --- a/drivers/base/platform.c +++ b/drivers/base/platform.c @@ -12,6 +12,7 @@ #include <linux/string.h> #include <linux/platform_device.h> +#include <linux/of_device.h> #include <linux/module.h> #include <linux/init.h> #include <linux/dma-mapping.h> @@ -635,6 +636,12 @@ static struct device_attribute platform_dev_attrs[] = { static int platform_uevent(struct device *dev, struct kobj_uevent_env *env) { struct platform_device *pdev = to_platform_device(dev); + int rc; + + /* Some devices have extra OF data and an OF-style MODALIAS */ + rc = of_device_uevent(dev,env); + if (rc != -ENODEV) + return rc; add_uevent_var(env, "MODALIAS=%s%s", PLATFORM_MODULE_PREFIX, (pdev->id_entry) ? pdev->id_entry->name : pdev->name); @@ -673,7 +680,11 @@ static int platform_match(struct device *dev, struct device_driver *drv) struct platform_device *pdev = to_platform_device(dev); struct platform_driver *pdrv = to_platform_driver(drv); - /* match against the id table first */ + /* Attempt an OF style match first */ + if (of_driver_match_device(dev, drv)) + return 1; + + /* Then try to match against the id table */ if (pdrv->id_table) return platform_match_id(pdrv->id_table, pdev) != NULL; diff --git a/drivers/char/bsr.c b/drivers/char/bsr.c index 89d871e..9191713 100644 --- a/drivers/char/bsr.c +++ b/drivers/char/bsr.c @@ -23,6 +23,7 @@ #include <linux/of.h> #include <linux/of_device.h> #include <linux/of_platform.h> +#include <linux/fs.h> #include <linux/module.h> #include <linux/cdev.h> #include <linux/list.h> diff --git a/drivers/char/hw_random/n2-drv.c b/drivers/char/hw_random/n2-drv.c index 101d5f2..7a4f080 100644 --- a/drivers/char/hw_random/n2-drv.c +++ b/drivers/char/hw_random/n2-drv.c @@ -762,12 +762,12 @@ static struct of_platform_driver n2rng_driver = { static int __init n2rng_init(void) { - return of_register_driver(&n2rng_driver, &of_bus_type); + return of_register_platform_driver(&n2rng_driver); } static void __exit n2rng_exit(void) { - of_unregister_driver(&n2rng_driver); + of_unregister_platform_driver(&n2rng_driver); } module_init(n2rng_init); diff --git a/drivers/crypto/n2_core.c b/drivers/crypto/n2_core.c index b99c38f..26af2dd 100644 --- a/drivers/crypto/n2_core.c +++ b/drivers/crypto/n2_core.c @@ -2247,20 +2247,20 @@ static struct of_platform_driver n2_mau_driver = { static int __init n2_init(void) { - int err = of_register_driver(&n2_crypto_driver, &of_bus_type); + int err = of_register_platform_driver(&n2_crypto_driver); if (!err) { - err = of_register_driver(&n2_mau_driver, &of_bus_type); + err = of_register_platform_driver(&n2_mau_driver); if (err) - of_unregister_driver(&n2_crypto_driver); + of_unregister_platform_driver(&n2_crypto_driver); } return err; } static void __exit n2_exit(void) { - of_unregister_driver(&n2_mau_driver); - of_unregister_driver(&n2_crypto_driver); + of_unregister_platform_driver(&n2_mau_driver); + of_unregister_platform_driver(&n2_crypto_driver); } module_init(n2_init); diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 4e51fe3..6a6bd56 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -8,6 +8,7 @@ #include <linux/debugfs.h> #include <linux/seq_file.h> #include <linux/gpio.h> +#include <linux/of_gpio.h> #include <linux/idr.h> #include <linux/slab.h> @@ -1100,16 +1101,24 @@ int gpiochip_add(struct gpio_chip *chip) } } + of_gpiochip_add(chip); + unlock: spin_unlock_irqrestore(&gpio_lock, flags); - if (status == 0) - status = gpiochip_export(chip); + + if (status) + goto fail; + + status = gpiochip_export(chip); + if (status) + goto fail; + + return 0; fail: /* failures here can mean systems won't boot... */ - if (status) - pr_err("gpiochip_add: gpios %d..%d (%s) failed to register\n", - chip->base, chip->base + chip->ngpio - 1, - chip->label ? : "generic"); + pr_err("gpiochip_add: gpios %d..%d (%s) failed to register\n", + chip->base, chip->base + chip->ngpio - 1, + chip->label ? : "generic"); return status; } EXPORT_SYMBOL_GPL(gpiochip_add); @@ -1128,6 +1137,8 @@ int gpiochip_remove(struct gpio_chip *chip) spin_lock_irqsave(&gpio_lock, flags); + of_gpiochip_remove(chip); + for (id = chip->base; id < chip->base + chip->ngpio; id++) { if (test_bit(FLAG_REQUESTED, &gpio_desc[id].flags)) { status = -EBUSY; @@ -1148,6 +1159,38 @@ int gpiochip_remove(struct gpio_chip *chip) } EXPORT_SYMBOL_GPL(gpiochip_remove); +/** + * gpiochip_find() - iterator for locating a specific gpio_chip + * @data: data to pass to match function + * @callback: Callback function to check gpio_chip + * + * Similar to bus_find_device. It returns a reference to a gpio_chip as + * determined by a user supplied @match callback. The callback should return + * 0 if the device doesn't match and non-zero if it does. If the callback is + * non-zero, this function will return to the caller and not iterate over any + * more gpio_chips. + */ +struct gpio_chip *gpiochip_find(void *data, + int (*match)(struct gpio_chip *chip, void *data)) +{ + struct gpio_chip *chip = NULL; + unsigned long flags; + int i; + + spin_lock_irqsave(&gpio_lock, flags); + for (i = 0; i < ARCH_NR_GPIOS; i++) { + if (!gpio_desc[i].chip) + continue; + + if (match(gpio_desc[i].chip, data)) { + chip = gpio_desc[i].chip; + break; + } + } + spin_unlock_irqrestore(&gpio_lock, flags); + + return chip; +} /* These "optional" allocation calls help prevent drivers from stomping * on each other, and help provide better diagnostics in debugfs. diff --git a/drivers/gpio/xilinx_gpio.c b/drivers/gpio/xilinx_gpio.c index b8fa65b..7096909 100644 --- a/drivers/gpio/xilinx_gpio.c +++ b/drivers/gpio/xilinx_gpio.c @@ -161,14 +161,12 @@ static void xgpio_save_regs(struct of_mm_gpio_chip *mm_gc) static int __devinit xgpio_of_probe(struct device_node *np) { struct xgpio_instance *chip; - struct of_gpio_chip *ofchip; int status = 0; const u32 *tree_info; chip = kzalloc(sizeof(*chip), GFP_KERNEL); if (!chip) return -ENOMEM; - ofchip = &chip->mmchip.of_gc; /* Update GPIO state shadow register with default value */ tree_info = of_get_property(np, "xlnx,dout-default", NULL); @@ -182,21 +180,20 @@ static int __devinit xgpio_of_probe(struct device_node *np) chip->gpio_dir = *tree_info; /* Check device node and parent device node for device width */ - ofchip->gc.ngpio = 32; /* By default assume full GPIO controller */ + chip->mmchip.gc.ngpio = 32; /* By default assume full GPIO controller */ tree_info = of_get_property(np, "xlnx,gpio-width", NULL); if (!tree_info) tree_info = of_get_property(np->parent, "xlnx,gpio-width", NULL); if (tree_info) - ofchip->gc.ngpio = *tree_info; + chip->mmchip.gc.ngpio = *tree_info; spin_lock_init(&chip->gpio_lock); - ofchip->gpio_cells = 2; - ofchip->gc.direction_input = xgpio_dir_in; - ofchip->gc.direction_output = xgpio_dir_out; - ofchip->gc.get = xgpio_get; - ofchip->gc.set = xgpio_set; + chip->mmchip.gc.direction_input = xgpio_dir_in; + chip->mmchip.gc.direction_output = xgpio_dir_out; + chip->mmchip.gc.get = xgpio_get; + chip->mmchip.gc.set = xgpio_set; chip->mmchip.save_regs = xgpio_save_regs; diff --git a/drivers/hwmon/ultra45_env.c b/drivers/hwmon/ultra45_env.c index 5da5942..8964326 100644 --- a/drivers/hwmon/ultra45_env.c +++ b/drivers/hwmon/ultra45_env.c @@ -311,12 +311,12 @@ static struct of_platform_driver env_driver = { static int __init env_init(void) { - return of_register_driver(&env_driver, &of_bus_type); + return of_register_platform_driver(&env_driver); } static void __exit env_exit(void) { - of_unregister_driver(&env_driver); + of_unregister_platform_driver(&env_driver); } module_init(env_init); diff --git a/drivers/i2c/busses/i2c-cpm.c b/drivers/i2c/busses/i2c-cpm.c index b02b453..e591de1 100644 --- a/drivers/i2c/busses/i2c-cpm.c +++ b/drivers/i2c/busses/i2c-cpm.c @@ -652,6 +652,7 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev, cpm->adap = cpm_ops; i2c_set_adapdata(&cpm->adap, cpm); cpm->adap.dev.parent = &ofdev->dev; + cpm->adap.dev.of_node = of_node_get(ofdev->dev.of_node); result = cpm_i2c_setup(cpm); if (result) { @@ -676,11 +677,6 @@ static int __devinit cpm_i2c_probe(struct of_device *ofdev, dev_dbg(&ofdev->dev, "hw routines for %s registered.\n", cpm->adap.name); - /* - * register OF I2C devices - */ - of_register_i2c_devices(&cpm->adap, ofdev->dev.of_node); - return 0; out_shut: cpm_i2c_shutdown(cpm); diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index bf34413..1168d61 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -745,6 +745,7 @@ static int __devinit iic_probe(struct of_device *ofdev, /* Register it with i2c layer */ adap = &dev->adap; adap->dev.parent = &ofdev->dev; + adap->dev.of_node = of_node_get(np); strlcpy(adap->name, "IBM IIC", sizeof(adap->name)); i2c_set_adapdata(adap, dev); adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; @@ -760,9 +761,6 @@ static int __devinit iic_probe(struct of_device *ofdev, dev_info(&ofdev->dev, "using %s mode\n", dev->fast_mode ? "fast (400 kHz)" : "standard (100 kHz)"); - /* Now register all the child nodes */ - of_register_i2c_devices(adap, np); - return 0; error_cleanup: diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index 54247d4..6545d1c 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -625,13 +625,13 @@ static int __devinit fsl_i2c_probe(struct of_device *op, i2c->adap = mpc_ops; i2c_set_adapdata(&i2c->adap, i2c); i2c->adap.dev.parent = &op->dev; + i2c->adap.dev.of_node = of_node_get(op->dev.of_node); result = i2c_add_adapter(&i2c->adap); if (result < 0) { dev_err(i2c->dev, "failed to add adapter\n"); goto fail_add; } - of_register_i2c_devices(&i2c->adap, op->dev.of_node); return result; diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 0815e10..df937df 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -30,6 +30,8 @@ #include <linux/init.h> #include <linux/idr.h> #include <linux/mutex.h> +#include <linux/of_i2c.h> +#include <linux/of_device.h> #include <linux/completion.h> #include <linux/hardirq.h> #include <linux/irqflags.h> @@ -70,6 +72,10 @@ static int i2c_device_match(struct device *dev, struct device_driver *drv) if (!client) return 0; + /* Attempt an OF style match */ + if (of_driver_match_device(dev, drv)) + return 1; + driver = to_i2c_driver(drv); /* match on an id table if there is one */ if (driver->id_table) @@ -790,6 +796,9 @@ static int i2c_register_adapter(struct i2c_adapter *adap) if (adap->nr < __i2c_first_dynamic_bus_num) i2c_scan_static_board_info(adap); + /* Register devices from the device tree */ + of_i2c_register_devices(adap); + /* Notify drivers */ mutex_lock(&core_lock); dummy = bus_for_each_drv(&i2c_bus_type, NULL, adap, diff --git a/drivers/input/misc/sparcspkr.c b/drivers/input/misc/sparcspkr.c index 1dacae4..f3bb92e 100644 --- a/drivers/input/misc/sparcspkr.c +++ b/drivers/input/misc/sparcspkr.c @@ -353,14 +353,12 @@ static struct of_platform_driver grover_beep_driver = { static int __init sparcspkr_init(void) { - int err = of_register_driver(&bbc_beep_driver, - &of_platform_bus_type); + int err = of_register_platform_driver(&bbc_beep_driver); if (!err) { - err = of_register_driver(&grover_beep_driver, - &of_platform_bus_type); + err = of_register_platform_driver(&grover_beep_driver); if (err) - of_unregister_driver(&bbc_beep_driver); + of_unregister_platform_driver(&bbc_beep_driver); } return err; @@ -368,8 +366,8 @@ static int __init sparcspkr_init(void) static void __exit sparcspkr_exit(void) { - of_unregister_driver(&bbc_beep_driver); - of_unregister_driver(&grover_beep_driver); + of_unregister_platform_driver(&bbc_beep_driver); + of_unregister_platform_driver(&grover_beep_driver); } module_init(sparcspkr_init); diff --git a/drivers/input/serio/i8042-sparcio.h b/drivers/input/serio/i8042-sparcio.h index 04e32f2..cb2a24b 100644 --- a/drivers/input/serio/i8042-sparcio.h +++ b/drivers/input/serio/i8042-sparcio.h @@ -58,9 +58,9 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev if (!strcmp(dp->name, OBP_PS2KBD_NAME1) || !strcmp(dp->name, OBP_PS2KBD_NAME2)) { struct of_device *kbd = of_find_device_by_node(dp); - unsigned int irq = kbd->irqs[0]; + unsigned int irq = kbd->archdata.irqs[0]; if (irq == 0xffffffff) - irq = op->irqs[0]; + irq = op->archdata.irqs[0]; i8042_kbd_irq = irq; kbd_iobase = of_ioremap(&kbd->resource[0], 0, 8, "kbd"); @@ -68,9 +68,9 @@ static int __devinit sparc_i8042_probe(struct of_device *op, const struct of_dev } else if (!strcmp(dp->name, OBP_PS2MS_NAME1) || !strcmp(dp->name, OBP_PS2MS_NAME2)) { struct of_device *ms = of_find_device_by_node(dp); - unsigned int irq = ms->irqs[0]; + unsigned int irq = ms->archdata.irqs[0]; if (irq == 0xffffffff) - irq = op->irqs[0]; + irq = op->archdata.irqs[0]; i8042_aux_irq = irq; } @@ -116,8 +116,7 @@ static int __init i8042_platform_init(void) if (!kbd_iobase) return -ENODEV; } else { - int err = of_register_driver(&sparc_i8042_driver, - &of_bus_type); + int err = of_register_platform_driver(&sparc_i8042_driver); if (err) return err; @@ -141,7 +140,7 @@ static inline void i8042_platform_exit(void) struct device_node *root = of_find_node_by_path("/"); if (strcmp(root->name, "SUNW,JavaStation-1")) - of_unregister_driver(&sparc_i8042_driver); + of_unregister_platform_driver(&sparc_i8042_driver); } #else /* !CONFIG_PCI */ diff --git a/drivers/macintosh/macio_sysfs.c b/drivers/macintosh/macio_sysfs.c index 6999ce5..6024038 100644 --- a/drivers/macintosh/macio_sysfs.c +++ b/drivers/macintosh/macio_sysfs.c @@ -41,10 +41,7 @@ compatible_show (struct device *dev, struct device_attribute *attr, char *buf) static ssize_t modalias_show (struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *ofdev = to_of_device(dev); - int len; - - len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2); + int len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2); buf[len] = '\n'; buf[len+1] = 0; diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c index ad847a2..7b0f3ef 100644 --- a/drivers/mmc/host/mmc_spi.c +++ b/drivers/mmc/host/mmc_spi.c @@ -1533,12 +1533,20 @@ static int __devexit mmc_spi_remove(struct spi_device *spi) return 0; } +#if defined(CONFIG_OF) +static struct of_device_id mmc_spi_of_match_table[] __devinitdata = { + { .compatible = "mmc-spi-slot", }, +}; +#endif static struct spi_driver mmc_spi_driver = { .driver = { .name = "mmc_spi", .bus = &spi_bus_type, .owner = THIS_MODULE, +#if defined(CONFIG_OF) + .of_match_table = mmc_spi_of_match_table, +#endif }, .probe = mmc_spi_probe, .remove = __devexit_p(mmc_spi_remove), diff --git a/drivers/mtd/maps/sun_uflash.c b/drivers/mtd/maps/sun_uflash.c index 0391c25..8984236 100644 --- a/drivers/mtd/maps/sun_uflash.c +++ b/drivers/mtd/maps/sun_uflash.c @@ -160,12 +160,12 @@ static struct of_platform_driver uflash_driver = { static int __init uflash_init(void) { - return of_register_driver(&uflash_driver, &of_bus_type); + return of_register_platform_driver(&uflash_driver); } static void __exit uflash_exit(void) { - of_unregister_driver(&uflash_driver); + of_unregister_platform_driver(&uflash_driver); } module_init(uflash_init); diff --git a/drivers/net/fsl_pq_mdio.c b/drivers/net/fsl_pq_mdio.c index b4c41d7..f53f850 100644 --- a/drivers/net/fsl_pq_mdio.c +++ b/drivers/net/fsl_pq_mdio.c @@ -35,6 +35,7 @@ #include <linux/mii.h> #include <linux/phy.h> #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_mdio.h> #include <linux/of_platform.h> diff --git a/drivers/net/ibm_newemac/core.c b/drivers/net/ibm_newemac/core.c index 0f1d4e9..eeec7bc 100644 --- a/drivers/net/ibm_newemac/core.c +++ b/drivers/net/ibm_newemac/core.c @@ -2339,11 +2339,11 @@ static int __devinit emac_wait_deps(struct emac_instance *dev) deps[EMAC_DEP_MDIO_IDX].phandle = dev->mdio_ph; if (dev->blist && dev->blist > emac_boot_list) deps[EMAC_DEP_PREV_IDX].phandle = 0xffffffffu; - bus_register_notifier(&of_platform_bus_type, &emac_of_bus_notifier); + bus_register_notifier(&platform_bus_type, &emac_of_bus_notifier); wait_event_timeout(emac_probe_wait, emac_check_deps(dev, deps), EMAC_PROBE_DEP_TIMEOUT); - bus_unregister_notifier(&of_platform_bus_type, &emac_of_bus_notifier); + bus_unregister_notifier(&platform_bus_type, &emac_of_bus_notifier); err = emac_check_deps(dev, deps) ? 0 : -ENODEV; for (i = 0; i < EMAC_DEP_COUNT; i++) { if (deps[i].node) diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c index 1a57c3d..04e552a 100644 --- a/drivers/net/myri_sbus.c +++ b/drivers/net/myri_sbus.c @@ -1079,7 +1079,7 @@ static int __devinit myri_sbus_probe(struct of_device *op, const struct of_devic mp->dev = dev; dev->watchdog_timeo = 5*HZ; - dev->irq = op->irqs[0]; + dev->irq = op->archdata.irqs[0]; dev->netdev_ops = &myri_ops; /* Register interrupt handler now. */ @@ -1172,12 +1172,12 @@ static struct of_platform_driver myri_sbus_driver = { static int __init myri_sbus_init(void) { - return of_register_driver(&myri_sbus_driver, &of_bus_type); + return of_register_platform_driver(&myri_sbus_driver); } static void __exit myri_sbus_exit(void) { - of_unregister_driver(&myri_sbus_driver); + of_unregister_platform_driver(&myri_sbus_driver); } module_init(myri_sbus_init); diff --git a/drivers/net/niu.c b/drivers/net/niu.c index b9b9508..404f2d55 100644 --- a/drivers/net/niu.c +++ b/drivers/net/niu.c @@ -28,10 +28,7 @@ #include <linux/slab.h> #include <linux/io.h> - -#ifdef CONFIG_SPARC64 #include <linux/of_device.h> -#endif #include "niu.h" @@ -9114,12 +9111,12 @@ static int __devinit niu_n2_irq_init(struct niu *np, u8 *ldg_num_map) if (!int_prop) return -ENODEV; - for (i = 0; i < op->num_irqs; i++) { + for (i = 0; i < op->archdata.num_irqs; i++) { ldg_num_map[i] = int_prop[i]; - np->ldg[i].irq = op->irqs[i]; + np->ldg[i].irq = op->archdata.irqs[i]; } - np->num_ldg = op->num_irqs; + np->num_ldg = op->archdata.num_irqs; return 0; #else @@ -10249,14 +10246,14 @@ static int __init niu_init(void) niu_debug = netif_msg_init(debug, NIU_MSG_DEFAULT); #ifdef CONFIG_SPARC64 - err = of_register_driver(&niu_of_driver, &of_bus_type); + err = of_register_platform_driver(&niu_of_driver); #endif if (!err) { err = pci_register_driver(&niu_pci_driver); #ifdef CONFIG_SPARC64 if (err) - of_unregister_driver(&niu_of_driver); + of_unregister_platform_driver(&niu_of_driver); #endif } @@ -10267,7 +10264,7 @@ static void __exit niu_exit(void) { pci_unregister_driver(&niu_pci_driver); #ifdef CONFIG_SPARC64 - of_unregister_driver(&niu_of_driver); + of_unregister_platform_driver(&niu_of_driver); #endif } diff --git a/drivers/net/niu.h b/drivers/net/niu.h index d671546..a41fa8e 100644 --- a/drivers/net/niu.h +++ b/drivers/net/niu.h @@ -3236,7 +3236,7 @@ struct niu_phy_ops { int (*link_status)(struct niu *np, int *); }; -struct of_device; +struct platform_device; struct niu { void __iomem *regs; struct net_device *dev; @@ -3297,7 +3297,7 @@ struct niu { struct niu_vpd vpd; u32 eeprom_len; - struct of_device *op; + struct platform_device *op; void __iomem *vir_regs_1; void __iomem *vir_regs_2; }; diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c index 367e96f..09c071b 100644 --- a/drivers/net/sunbmac.c +++ b/drivers/net/sunbmac.c @@ -1201,7 +1201,7 @@ static int __devinit bigmac_ether_init(struct of_device *op, dev->watchdog_timeo = 5*HZ; /* Finish net device registration. */ - dev->irq = bp->bigmac_op->irqs[0]; + dev->irq = bp->bigmac_op->archdata.irqs[0]; dev->dma = 0; if (register_netdev(dev)) { @@ -1301,12 +1301,12 @@ static struct of_platform_driver bigmac_sbus_driver = { static int __init bigmac_init(void) { - return of_register_driver(&bigmac_sbus_driver, &of_bus_type); + return of_register_platform_driver(&bigmac_sbus_driver); } static void __exit bigmac_exit(void) { - of_unregister_driver(&bigmac_sbus_driver); + of_unregister_platform_driver(&bigmac_sbus_driver); } module_init(bigmac_init); diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c index 3d9650b..eec443f 100644 --- a/drivers/net/sunhme.c +++ b/drivers/net/sunhme.c @@ -2561,7 +2561,7 @@ static int __init quattro_sbus_register_irqs(void) if (skip) continue; - err = request_irq(op->irqs[0], + err = request_irq(op->archdata.irqs[0], quattro_sbus_interrupt, IRQF_SHARED, "Quattro", qp); @@ -2590,7 +2590,7 @@ static void quattro_sbus_free_irqs(void) if (skip) continue; - free_irq(op->irqs[0], qp); + free_irq(op->archdata.irqs[0], qp); } } #endif /* CONFIG_SBUS */ @@ -2790,7 +2790,7 @@ static int __devinit happy_meal_sbus_probe_one(struct of_device *op, int is_qfe) /* Happy Meal can do it all... */ dev->features |= NETIF_F_SG | NETIF_F_HW_CSUM; - dev->irq = op->irqs[0]; + dev->irq = op->archdata.irqs[0]; #if defined(CONFIG_SBUS) && defined(CONFIG_PCI) /* Hook up SBUS register/descriptor accessors. */ @@ -3304,7 +3304,7 @@ static int __init happy_meal_sbus_init(void) { int err; - err = of_register_driver(&hme_sbus_driver, &of_bus_type); + err = of_register_platform_driver(&hme_sbus_driver); if (!err) err = quattro_sbus_register_irqs(); @@ -3313,7 +3313,7 @@ static int __init happy_meal_sbus_init(void) static void happy_meal_sbus_exit(void) { - of_unregister_driver(&hme_sbus_driver); + of_unregister_platform_driver(&hme_sbus_driver); quattro_sbus_free_irqs(); while (qfe_sbus_list) { diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c index 7d9c33d..ee364fa 100644 --- a/drivers/net/sunlance.c +++ b/drivers/net/sunlance.c @@ -1474,7 +1474,7 @@ no_link_test: dev->ethtool_ops = &sparc_lance_ethtool_ops; dev->netdev_ops = &sparc_lance_ops; - dev->irq = op->irqs[0]; + dev->irq = op->archdata.irqs[0]; /* We cannot sleep if the chip is busy during a * multicast list update event, because such events @@ -1558,12 +1558,12 @@ static struct of_platform_driver sunlance_sbus_driver = { /* Find all the lance cards on the system and initialize them */ static int __init sparc_lance_init(void) { - return of_register_driver(&sunlance_sbus_driver, &of_bus_type); + return of_register_platform_driver(&sunlance_sbus_driver); } static void __exit sparc_lance_exit(void) { - of_unregister_driver(&sunlance_sbus_driver); + of_unregister_platform_driver(&sunlance_sbus_driver); } module_init(sparc_lance_init); diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index 72b579c..5f84a5d 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -803,7 +803,7 @@ static struct sunqec * __devinit get_qec(struct of_device *child) qec_init_once(qecp, op); - if (request_irq(op->irqs[0], qec_interrupt, + if (request_irq(op->archdata.irqs[0], qec_interrupt, IRQF_SHARED, "qec", (void *) qecp)) { printk(KERN_ERR "qec: Can't register irq.\n"); goto fail; @@ -901,7 +901,7 @@ static int __devinit qec_ether_init(struct of_device *op) SET_NETDEV_DEV(dev, &op->dev); dev->watchdog_timeo = 5*HZ; - dev->irq = op->irqs[0]; + dev->irq = op->archdata.irqs[0]; dev->dma = 0; dev->ethtool_ops = &qe_ethtool_ops; dev->netdev_ops = &qec_ops; @@ -988,18 +988,18 @@ static struct of_platform_driver qec_sbus_driver = { static int __init qec_init(void) { - return of_register_driver(&qec_sbus_driver, &of_bus_type); + return of_register_platform_driver(&qec_sbus_driver); } static void __exit qec_exit(void) { - of_unregister_driver(&qec_sbus_driver); + of_unregister_platform_driver(&qec_sbus_driver); while (root_qec_dev) { struct sunqec *next = root_qec_dev->next_module; struct of_device *op = root_qec_dev->op; - free_irq(op->irqs[0], (void *) root_qec_dev); + free_irq(op->archdata.irqs[0], (void *) root_qec_dev); of_iounmap(&op->resource[0], root_qec_dev->gregs, GLOB_REG_SIZE); kfree(root_qec_dev); diff --git a/drivers/net/xilinx_emaclite.c b/drivers/net/xilinx_emaclite.c index d04c5b2..b2c2f39 100644 --- a/drivers/net/xilinx_emaclite.c +++ b/drivers/net/xilinx_emaclite.c @@ -20,7 +20,7 @@ #include <linux/skbuff.h> #include <linux/io.h> #include <linux/slab.h> - +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/of_platform.h> #include <linux/of_mdio.h> diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig index 7cecc8f..6acbff3 100644 --- a/drivers/of/Kconfig +++ b/drivers/of/Kconfig @@ -1,35 +1,61 @@ -config OF_FLATTREE +config DTC + bool + +config OF bool + +menu "Flattened Device Tree and Open Firmware support" depends on OF +config PROC_DEVICETREE + bool "Support for device tree in /proc" + depends on PROC_FS && !SPARC + help + This option adds a device-tree directory under /proc which contains + an image of the device tree that the kernel copies from Open + Firmware or other boot firmware. If unsure, say Y here. + +config OF_FLATTREE + bool + select DTC + config OF_DYNAMIC def_bool y - depends on OF && PPC_OF + depends on PPC_OF + +config OF_ADDRESS + def_bool y + depends on !SPARC + +config OF_IRQ + def_bool y + depends on !SPARC config OF_DEVICE def_bool y - depends on OF && (SPARC || PPC_OF || MICROBLAZE) config OF_GPIO def_bool y - depends on OF && (PPC_OF || MICROBLAZE) && GPIOLIB + depends on GPIOLIB && !SPARC help OpenFirmware GPIO accessors config OF_I2C def_tristate I2C - depends on (PPC_OF || MICROBLAZE) && I2C + depends on I2C && !SPARC help OpenFirmware I2C accessors config OF_SPI def_tristate SPI - depends on OF && (PPC_OF || MICROBLAZE) && SPI + depends on SPI && !SPARC help OpenFirmware SPI accessors config OF_MDIO def_tristate PHYLIB - depends on OF && PHYLIB + depends on PHYLIB help OpenFirmware MDIO bus (Ethernet PHY) accessors + +endmenu # OF diff --git a/drivers/of/Makefile b/drivers/of/Makefile index f232cc9..0052c40 100644 --- a/drivers/of/Makefile +++ b/drivers/of/Makefile @@ -1,5 +1,7 @@ obj-y = base.o obj-$(CONFIG_OF_FLATTREE) += fdt.o +obj-$(CONFIG_OF_ADDRESS) += address.o +obj-$(CONFIG_OF_IRQ) += irq.o obj-$(CONFIG_OF_DEVICE) += device.o platform.o obj-$(CONFIG_OF_GPIO) += gpio.o obj-$(CONFIG_OF_I2C) += of_i2c.o diff --git a/drivers/of/address.c b/drivers/of/address.c new file mode 100644 index 0000000..fcadb72 --- /dev/null +++ b/drivers/of/address.c @@ -0,0 +1,595 @@ + +#include <linux/io.h> +#include <linux/ioport.h> +#include <linux/module.h> +#include <linux/of_address.h> +#include <linux/pci_regs.h> +#include <linux/string.h> + +/* Max address size we deal with */ +#define OF_MAX_ADDR_CELLS 4 +#define OF_CHECK_COUNTS(na, ns) ((na) > 0 && (na) <= OF_MAX_ADDR_CELLS && \ + (ns) > 0) + +static struct of_bus *of_match_bus(struct device_node *np); +static int __of_address_to_resource(struct device_node *dev, const u32 *addrp, + u64 size, unsigned int flags, + struct resource *r); + +/* Debug utility */ +#ifdef DEBUG +static void of_dump_addr(const char *s, const u32 *addr, int na) +{ + printk(KERN_DEBUG "%s", s); + while (na--) + printk(" %08x", be32_to_cpu(*(addr++))); + printk("\n"); +} +#else +static void of_dump_addr(const char *s, const u32 *addr, int na) { } +#endif + +/* Callbacks for bus specific translators */ +struct of_bus { + const char *name; + const char *addresses; + int (*match)(struct device_node *parent); + void (*count_cells)(struct device_node *child, + int *addrc, int *sizec); + u64 (*map)(u32 *addr, const u32 *range, + int na, int ns, int pna); + int (*translate)(u32 *addr, u64 offset, int na); + unsigned int (*get_flags)(const u32 *addr); +}; + +/* + * Default translator (generic bus) + */ + +static void of_bus_default_count_cells(struct device_node *dev, + int *addrc, int *sizec) +{ + if (addrc) + *addrc = of_n_addr_cells(dev); + if (sizec) + *sizec = of_n_size_cells(dev); +} + +static u64 of_bus_default_map(u32 *addr, const u32 *range, + int na, int ns, int pna) +{ + u64 cp, s, da; + + cp = of_read_number(range, na); + s = of_read_number(range + na + pna, ns); + da = of_read_number(addr, na); + + pr_debug("OF: default map, cp=%llx, s=%llx, da=%llx\n", + (unsigned long long)cp, (unsigned long long)s, + (unsigned long long)da); + + if (da < cp || da >= (cp + s)) + return OF_BAD_ADDR; + return da - cp; +} + +static int of_bus_default_translate(u32 *addr, u64 offset, int na) +{ + u64 a = of_read_number(addr, na); + memset(addr, 0, na * 4); + a += offset; + if (na > 1) + addr[na - 2] = cpu_to_be32(a >> 32); + addr[na - 1] = cpu_to_be32(a & 0xffffffffu); + + return 0; +} + +static unsigned int of_bus_default_get_flags(const u32 *addr) +{ + return IORESOURCE_MEM; +} + +#ifdef CONFIG_PCI +/* + * PCI bus specific translator + */ + +static int of_bus_pci_match(struct device_node *np) +{ + /* "vci" is for the /chaos bridge on 1st-gen PCI powermacs */ + return !strcmp(np->type, "pci") || !strcmp(np->type, "vci"); +} + +static void of_bus_pci_count_cells(struct device_node *np, + int *addrc, int *sizec) +{ + if (addrc) + *addrc = 3; + if (sizec) + *sizec = 2; +} + +static unsigned int of_bus_pci_get_flags(const u32 *addr) +{ + unsigned int flags = 0; + u32 w = addr[0]; + + switch((w >> 24) & 0x03) { + case 0x01: + flags |= IORESOURCE_IO; + break; + case 0x02: /* 32 bits */ + case 0x03: /* 64 bits */ + flags |= IORESOURCE_MEM; + break; + } + if (w & 0x40000000) + flags |= IORESOURCE_PREFETCH; + return flags; +} + +static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna) +{ + u64 cp, s, da; + unsigned int af, rf; + + af = of_bus_pci_get_flags(addr); + rf = of_bus_pci_get_flags(range); + + /* Check address type match */ + if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO)) + return OF_BAD_ADDR; + + /* Read address values, skipping high cell */ + cp = of_read_number(range + 1, na - 1); + s = of_read_number(range + na + pna, ns); + da = of_read_number(addr + 1, na - 1); + + pr_debug("OF: PCI map, cp=%llx, s=%llx, da=%llx\n", + (unsigned long long)cp, (unsigned long long)s, + (unsigned long long)da); + + if (da < cp || da >= (cp + s)) + return OF_BAD_ADDR; + return da - cp; +} + +static int of_bus_pci_translate(u32 *addr, u64 offset, int na) +{ + return of_bus_default_translate(addr + 1, offset, na - 1); +} + +const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size, + unsigned int *flags) +{ + const u32 *prop; + unsigned int psize; + struct device_node *parent; + struct of_bus *bus; + int onesize, i, na, ns; + + /* Get parent & match bus type */ + parent = of_get_parent(dev); + if (parent == NULL) + return NULL; + bus = of_match_bus(parent); + if (strcmp(bus->name, "pci")) { + of_node_put(parent); + return NULL; + } + bus->count_cells(dev, &na, &ns); + of_node_put(parent); + if (!OF_CHECK_COUNTS(na, ns)) + return NULL; + + /* Get "reg" or "assigned-addresses" property */ + prop = of_get_property(dev, bus->addresses, &psize); + if (prop == NULL) + return NULL; + psize /= 4; + + onesize = na + ns; + for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) { + u32 val = be32_to_cpu(prop[0]); + if ((val & 0xff) == ((bar_no * 4) + PCI_BASE_ADDRESS_0)) { + if (size) + *size = of_read_number(prop + na, ns); + if (flags) + *flags = bus->get_flags(prop); + return prop; + } + } + return NULL; +} +EXPORT_SYMBOL(of_get_pci_address); + +int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r) +{ + const u32 *addrp; + u64 size; + unsigned int flags; + + addrp = of_get_pci_address(dev, bar, &size, &flags); + if (addrp == NULL) + return -EINVAL; + return __of_address_to_resource(dev, addrp, size, flags, r); +} +EXPORT_SYMBOL_GPL(of_pci_address_to_resource); +#endif /* CONFIG_PCI */ + +/* + * ISA bus specific translator + */ + +static int of_bus_isa_match(struct device_node *np) +{ + return !strcmp(np->name, "isa"); +} + +static void of_bus_isa_count_cells(struct device_node *child, + int *addrc, int *sizec) +{ + if (addrc) + *addrc = 2; + if (sizec) + *sizec = 1; +} + +static u64 of_bus_isa_map(u32 *addr, const u32 *range, int na, int ns, int pna) +{ + u64 cp, s, da; + + /* Check address type match */ + if ((addr[0] ^ range[0]) & 0x00000001) + return OF_BAD_ADDR; + + /* Read address values, skipping high cell */ + cp = of_read_number(range + 1, na - 1); + s = of_read_number(range + na + pna, ns); + da = of_read_number(addr + 1, na - 1); + + pr_debug("OF: ISA map, cp=%llx, s=%llx, da=%llx\n", + (unsigned long long)cp, (unsigned long long)s, + (unsigned long long)da); + + if (da < cp || da >= (cp + s)) + return OF_BAD_ADDR; + return da - cp; +} + +static int of_bus_isa_translate(u32 *addr, u64 offset, int na) +{ + return of_bus_default_translate(addr + 1, offset, na - 1); +} + +static unsigned int of_bus_isa_get_flags(const u32 *addr) +{ + unsigned int flags = 0; + u32 w = addr[0]; + + if (w & 1) + flags |= IORESOURCE_IO; + else + flags |= IORESOURCE_MEM; + return flags; +} + +/* + * Array of bus specific translators + */ + +static struct of_bus of_busses[] = { +#ifdef CONFIG_PCI + /* PCI */ + { + .name = "pci", + .addresses = "assigned-addresses", + .match = of_bus_pci_match, + .count_cells = of_bus_pci_count_cells, + .map = of_bus_pci_map, + .translate = of_bus_pci_translate, + .get_flags = of_bus_pci_get_flags, + }, +#endif /* CONFIG_PCI */ + /* ISA */ + { + .name = "isa", + .addresses = "reg", + .match = of_bus_isa_match, + .count_cells = of_bus_isa_count_cells, + .map = of_bus_isa_map, + .translate = of_bus_isa_translate, + .get_flags = of_bus_isa_get_flags, + }, + /* Default */ + { + .name = "default", + .addresses = "reg", + .match = NULL, + .count_cells = of_bus_default_count_cells, + .map = of_bus_default_map, + .translate = of_bus_default_translate, + .get_flags = of_bus_default_get_flags, + }, +}; + +static struct of_bus *of_match_bus(struct device_node *np) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(of_busses); i++) + if (!of_busses[i].match || of_busses[i].match(np)) + return &of_busses[i]; + BUG(); + return NULL; +} + +static int of_translate_one(struct device_node *parent, struct of_bus *bus, + struct of_bus *pbus, u32 *addr, + int na, int ns, int pna, const char *rprop) +{ + const u32 *ranges; + unsigned int rlen; + int rone; + u64 offset = OF_BAD_ADDR; + + /* Normally, an absence of a "ranges" property means we are + * crossing a non-translatable boundary, and thus the addresses + * below the current not cannot be converted to CPU physical ones. + * Unfortunately, while this is very clear in the spec, it's not + * what Apple understood, and they do have things like /uni-n or + * /ht nodes with no "ranges" property and a lot of perfectly + * useable mapped devices below them. Thus we treat the absence of + * "ranges" as equivalent to an empty "ranges" property which means + * a 1:1 translation at that level. It's up to the caller not to try + * to translate addresses that aren't supposed to be translated in + * the first place. --BenH. + * + * As far as we know, this damage only exists on Apple machines, so + * This code is only enabled on powerpc. --gcl + */ + ranges = of_get_property(parent, rprop, &rlen); +#if !defined(CONFIG_PPC) + if (ranges == NULL) { + pr_err("OF: no ranges; cannot translate\n"); + return 1; + } +#endif /* !defined(CONFIG_PPC) */ + if (ranges == NULL || rlen == 0) { + offset = of_read_number(addr, na); + memset(addr, 0, pna * 4); + pr_debug("OF: empty ranges; 1:1 translation\n"); + goto finish; + } + + pr_debug("OF: walking ranges...\n"); + + /* Now walk through the ranges */ + rlen /= 4; + rone = na + pna + ns; + for (; rlen >= rone; rlen -= rone, ranges += rone) { + offset = bus->map(addr, ranges, na, ns, pna); + if (offset != OF_BAD_ADDR) + break; + } + if (offset == OF_BAD_ADDR) { + pr_debug("OF: not found !\n"); + return 1; + } + memcpy(addr, ranges + na, 4 * pna); + + finish: + of_dump_addr("OF: parent translation for:", addr, pna); + pr_debug("OF: with offset: %llx\n", (unsigned long long)offset); + + /* Translate it into parent bus space */ + return pbus->translate(addr, offset, pna); +} + +/* + * Translate an address from the device-tree into a CPU physical address, + * this walks up the tree and applies the various bus mappings on the + * way. + * + * Note: We consider that crossing any level with #size-cells == 0 to mean + * that translation is impossible (that is we are not dealing with a value + * that can be mapped to a cpu physical address). This is not really specified + * that way, but this is traditionally the way IBM at least do things + */ +u64 __of_translate_address(struct device_node *dev, const u32 *in_addr, + const char *rprop) +{ + struct device_node *parent = NULL; + struct of_bus *bus, *pbus; + u32 addr[OF_MAX_ADDR_CELLS]; + int na, ns, pna, pns; + u64 result = OF_BAD_ADDR; + + pr_debug("OF: ** translation for device %s **\n", dev->full_name); + + /* Increase refcount at current level */ + of_node_get(dev); + + /* Get parent & match bus type */ + parent = of_get_parent(dev); + if (parent == NULL) + goto bail; + bus = of_match_bus(parent); + + /* Cound address cells & copy address locally */ + bus->count_cells(dev, &na, &ns); + if (!OF_CHECK_COUNTS(na, ns)) { + printk(KERN_ERR "prom_parse: Bad cell count for %s\n", + dev->full_name); + goto bail; + } + memcpy(addr, in_addr, na * 4); + + pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n", + bus->name, na, ns, parent->full_name); + of_dump_addr("OF: translating address:", addr, na); + + /* Translate */ + for (;;) { + /* Switch to parent bus */ + of_node_put(dev); + dev = parent; + parent = of_get_parent(dev); + + /* If root, we have finished */ + if (parent == NULL) { + pr_debug("OF: reached root node\n"); + result = of_read_number(addr, na); + break; + } + + /* Get new parent bus and counts */ + pbus = of_match_bus(parent); + pbus->count_cells(dev, &pna, &pns); + if (!OF_CHECK_COUNTS(pna, pns)) { + printk(KERN_ERR "prom_parse: Bad cell count for %s\n", + dev->full_name); + break; + } + + pr_debug("OF: parent bus is %s (na=%d, ns=%d) on %s\n", + pbus->name, pna, pns, parent->full_name); + + /* Apply bus translation */ + if (of_translate_one(dev, bus, pbus, addr, na, ns, pna, rprop)) + break; + + /* Complete the move up one level */ + na = pna; + ns = pns; + bus = pbus; + + of_dump_addr("OF: one level translation:", addr, na); + } + bail: + of_node_put(parent); + of_node_put(dev); + + return result; +} + +u64 of_translate_address(struct device_node *dev, const u32 *in_addr) +{ + return __of_translate_address(dev, in_addr, "ranges"); +} +EXPORT_SYMBOL(of_translate_address); + +u64 of_translate_dma_address(struct device_node *dev, const u32 *in_addr) +{ + return __of_translate_address(dev, in_addr, "dma-ranges"); +} +EXPORT_SYMBOL(of_translate_dma_address); + +const u32 *of_get_address(struct device_node *dev, int index, u64 *size, + unsigned int *flags) +{ + const u32 *prop; + unsigned int psize; + struct device_node *parent; + struct of_bus *bus; + int onesize, i, na, ns; + + /* Get parent & match bus type */ + parent = of_get_parent(dev); + if (parent == NULL) + return NULL; + bus = of_match_bus(parent); + bus->count_cells(dev, &na, &ns); + of_node_put(parent); + if (!OF_CHECK_COUNTS(na, ns)) + return NULL; + + /* Get "reg" or "assigned-addresses" property */ + prop = of_get_property(dev, bus->addresses, &psize); + if (prop == NULL) + return NULL; + psize /= 4; + + onesize = na + ns; + for (i = 0; psize >= onesize; psize -= onesize, prop += onesize, i++) + if (i == index) { + if (size) + *size = of_read_number(prop + na, ns); + if (flags) + *flags = bus->get_flags(prop); + return prop; + } + return NULL; +} +EXPORT_SYMBOL(of_get_address); + +static int __of_address_to_resource(struct device_node *dev, const u32 *addrp, + u64 size, unsigned int flags, + struct resource *r) +{ + u64 taddr; + + if ((flags & (IORESOURCE_IO | IORESOURCE_MEM)) == 0) + return -EINVAL; + taddr = of_translate_address(dev, addrp); + if (taddr == OF_BAD_ADDR) + return -EINVAL; + memset(r, 0, sizeof(struct resource)); + if (flags & IORESOURCE_IO) { + unsigned long port; + port = pci_address_to_pio(taddr); + if (port == (unsigned long)-1) + return -EINVAL; + r->start = port; + r->end = port + size - 1; + } else { + r->start = taddr; + r->end = taddr + size - 1; + } + r->flags = flags; + r->name = dev->full_name; + return 0; +} + +/** + * of_address_to_resource - Translate device tree address and return as resource + * + * Note that if your address is a PIO address, the conversion will fail if + * the physical address can't be internally converted to an IO token with + * pci_address_to_pio(), that is because it's either called to early or it + * can't be matched to any host bridge IO space + */ +int of_address_to_resource(struct device_node *dev, int index, + struct resource *r) +{ + const u32 *addrp; + u64 size; + unsigned int flags; + + addrp = of_get_address(dev, index, &size, &flags); + if (addrp == NULL) + return -EINVAL; + return __of_address_to_resource(dev, addrp, size, flags, r); +} +EXPORT_SYMBOL_GPL(of_address_to_resource); + + +/** + * of_iomap - Maps the memory mapped IO for a given device_node + * @device: the device whose io range will be mapped + * @index: index of the io range + * + * Returns a pointer to the mapped memory + */ +void __iomem *of_iomap(struct device_node *np, int index) +{ + struct resource res; + + if (of_address_to_resource(np, index, &res)) + return NULL; + + return ioremap(res.start, 1 + res.end - res.start); +} +EXPORT_SYMBOL(of_iomap); diff --git a/drivers/of/base.c b/drivers/of/base.c index b5ad974..aa80525 100644 --- a/drivers/of/base.c +++ b/drivers/of/base.c @@ -545,74 +545,28 @@ struct device_node *of_find_matching_node(struct device_node *from, EXPORT_SYMBOL(of_find_matching_node); /** - * of_modalias_table: Table of explicit compatible ==> modalias mappings - * - * This table allows particulare compatible property values to be mapped - * to modalias strings. This is useful for busses which do not directly - * understand the OF device tree but are populated based on data contained - * within the device tree. SPI and I2C are the two current users of this - * table. - * - * In most cases, devices do not need to be listed in this table because - * the modalias value can be derived directly from the compatible table. - * However, if for any reason a value cannot be derived, then this table - * provides a method to override the implicit derivation. - * - * At the moment, a single table is used for all bus types because it is - * assumed that the data size is small and that the compatible values - * should already be distinct enough to differentiate between SPI, I2C - * and other devices. - */ -struct of_modalias_table { - char *of_device; - char *modalias; -}; -static struct of_modalias_table of_modalias_table[] = { - { "fsl,mcu-mpc8349emitx", "mcu-mpc8349emitx" }, - { "mmc-spi-slot", "mmc_spi" }, -}; - -/** * of_modalias_node - Lookup appropriate modalias for a device node * @node: pointer to a device tree node * @modalias: Pointer to buffer that modalias value will be copied into * @len: Length of modalias value * - * Based on the value of the compatible property, this routine will determine - * an appropriate modalias value for a particular device tree node. Two - * separate methods are attempted to derive a modalias value. + * Based on the value of the compatible property, this routine will attempt + * to choose an appropriate modalias value for a particular device tree node. + * It does this by stripping the manufacturer prefix (as delimited by a ',') + * from the first entry in the compatible list property. * - * First method is to lookup the compatible value in of_modalias_table. - * Second is to strip off the manufacturer prefix from the first - * compatible entry and use the remainder as modalias - * - * This routine returns 0 on success + * This routine returns 0 on success, <0 on failure. */ int of_modalias_node(struct device_node *node, char *modalias, int len) { - int i, cplen; - const char *compatible; - const char *p; - - /* 1. search for exception list entry */ - for (i = 0; i < ARRAY_SIZE(of_modalias_table); i++) { - compatible = of_modalias_table[i].of_device; - if (!of_device_is_compatible(node, compatible)) - continue; - strlcpy(modalias, of_modalias_table[i].modalias, len); - return 0; - } + const char *compatible, *p; + int cplen; compatible = of_get_property(node, "compatible", &cplen); - if (!compatible) + if (!compatible || strlen(compatible) > cplen) return -ENODEV; - - /* 2. take first compatible entry and strip manufacturer */ p = strchr(compatible, ','); - if (!p) - return -ENODEV; - p++; - strlcpy(modalias, p, len); + strlcpy(modalias, p ? p + 1 : compatible, len); return 0; } EXPORT_SYMBOL_GPL(of_modalias_node); @@ -651,14 +605,14 @@ EXPORT_SYMBOL(of_find_node_by_phandle); struct device_node * of_parse_phandle(struct device_node *np, const char *phandle_name, int index) { - const phandle *phandle; + const __be32 *phandle; int size; phandle = of_get_property(np, phandle_name, &size); if ((!phandle) || (size < sizeof(*phandle) * (index + 1))) return NULL; - return of_find_node_by_phandle(phandle[index]); + return of_find_node_by_phandle(be32_to_cpup(phandle + index)); } EXPORT_SYMBOL(of_parse_phandle); @@ -714,16 +668,16 @@ int of_parse_phandles_with_args(struct device_node *np, const char *list_name, while (list < list_end) { const __be32 *cells; - const phandle *phandle; + phandle phandle; - phandle = list++; + phandle = be32_to_cpup(list++); args = list; /* one cell hole in the list = <>; */ - if (!*phandle) + if (!phandle) goto next; - node = of_find_node_by_phandle(*phandle); + node = of_find_node_by_phandle(phandle); if (!node) { pr_debug("%s: could not find phandle\n", np->full_name); diff --git a/drivers/of/device.c b/drivers/of/device.c index 7d18f8e..0d8a064 100644 --- a/drivers/of/device.c +++ b/drivers/of/device.c @@ -20,13 +20,13 @@ const struct of_device_id *of_match_device(const struct of_device_id *matches, const struct device *dev) { - if (!dev->of_node) + if ((!matches) || (!dev->of_node)) return NULL; return of_match_node(matches, dev->of_node); } EXPORT_SYMBOL(of_match_device); -struct of_device *of_dev_get(struct of_device *dev) +struct platform_device *of_dev_get(struct platform_device *dev) { struct device *tmp; @@ -34,13 +34,13 @@ struct of_device *of_dev_get(struct of_device *dev) return NULL; tmp = get_device(&dev->dev); if (tmp) - return to_of_device(tmp); + return to_platform_device(tmp); else return NULL; } EXPORT_SYMBOL(of_dev_get); -void of_dev_put(struct of_device *dev) +void of_dev_put(struct platform_device *dev) { if (dev) put_device(&dev->dev); @@ -50,28 +50,25 @@ EXPORT_SYMBOL(of_dev_put); static ssize_t devspec_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *ofdev; + struct platform_device *ofdev; - ofdev = to_of_device(dev); + ofdev = to_platform_device(dev); return sprintf(buf, "%s\n", ofdev->dev.of_node->full_name); } static ssize_t name_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *ofdev; + struct platform_device *ofdev; - ofdev = to_of_device(dev); + ofdev = to_platform_device(dev); return sprintf(buf, "%s\n", ofdev->dev.of_node->name); } static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct of_device *ofdev = to_of_device(dev); - ssize_t len = 0; - - len = of_device_get_modalias(ofdev, buf, PAGE_SIZE - 2); + ssize_t len = of_device_get_modalias(dev, buf, PAGE_SIZE - 2); buf[len] = '\n'; buf[len+1] = 0; return len+1; @@ -93,20 +90,25 @@ struct device_attribute of_platform_device_attrs[] = { */ void of_release_dev(struct device *dev) { - struct of_device *ofdev; + struct platform_device *ofdev; - ofdev = to_of_device(dev); + ofdev = to_platform_device(dev); of_node_put(ofdev->dev.of_node); kfree(ofdev); } EXPORT_SYMBOL(of_release_dev); -int of_device_register(struct of_device *ofdev) +int of_device_register(struct platform_device *ofdev) { BUG_ON(ofdev->dev.of_node == NULL); device_initialize(&ofdev->dev); + /* name and id have to be set so that the platform bus doesn't get + * confused on matching */ + ofdev->name = dev_name(&ofdev->dev); + ofdev->id = -1; + /* device_add will assume that this device is on the same node as * the parent. If there is no parent defined, set the node * explicitly */ @@ -117,25 +119,24 @@ int of_device_register(struct of_device *ofdev) } EXPORT_SYMBOL(of_device_register); -void of_device_unregister(struct of_device *ofdev) +void of_device_unregister(struct platform_device *ofdev) { device_unregister(&ofdev->dev); } EXPORT_SYMBOL(of_device_unregister); -ssize_t of_device_get_modalias(struct of_device *ofdev, - char *str, ssize_t len) +ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len) { const char *compat; int cplen, i; ssize_t tsize, csize, repend; /* Name & Type */ - csize = snprintf(str, len, "of:N%sT%s", ofdev->dev.of_node->name, - ofdev->dev.of_node->type); + csize = snprintf(str, len, "of:N%sT%s", dev->of_node->name, + dev->of_node->type); /* Get compatible property if any */ - compat = of_get_property(ofdev->dev.of_node, "compatible", &cplen); + compat = of_get_property(dev->of_node, "compatible", &cplen); if (!compat) return csize; @@ -170,3 +171,51 @@ ssize_t of_device_get_modalias(struct of_device *ofdev, return tsize; } + +/** + * of_device_uevent - Display OF related uevent information + */ +int of_device_uevent(struct device *dev, struct kobj_uevent_env *env) +{ + const char *compat; + int seen = 0, cplen, sl; + + if ((!dev) || (!dev->of_node)) + return -ENODEV; + + if (add_uevent_var(env, "OF_NAME=%s", dev->of_node->name)) + return -ENOMEM; + + if (add_uevent_var(env, "OF_TYPE=%s", dev->of_node->type)) + return -ENOMEM; + + /* Since the compatible field can contain pretty much anything + * it's not really legal to split it out with commas. We split it + * up using a number of environment variables instead. */ + + compat = of_get_property(dev->of_node, "compatible", &cplen); + while (compat && *compat && cplen > 0) { + if (add_uevent_var(env, "OF_COMPATIBLE_%d=%s", seen, compat)) + return -ENOMEM; + + sl = strlen(compat) + 1; + compat += sl; + cplen -= sl; + seen++; + } + + if (add_uevent_var(env, "OF_COMPATIBLE_N=%d", seen)) + return -ENOMEM; + + /* modalias is trickier, we add it in 2 steps */ + if (add_uevent_var(env, "MODALIAS=")) + return -ENOMEM; + + sl = of_device_get_modalias(dev, &env->buf[env->buflen-1], + sizeof(env->buf) - env->buflen); + if (sl >= (sizeof(env->buf) - env->buflen)) + return -ENOMEM; + env->buflen += sl; + + return 0; +} diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index b6987bb..65da5ae 100644 --- a/drivers/of/fdt.c +++ b/drivers/of/fdt.c @@ -69,9 +69,9 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node, u32 sz = be32_to_cpup((__be32 *)p); p += 8; if (be32_to_cpu(initial_boot_params->version) < 0x10) - p = _ALIGN(p, sz >= 8 ? 8 : 4); + p = ALIGN(p, sz >= 8 ? 8 : 4); p += sz; - p = _ALIGN(p, 4); + p = ALIGN(p, 4); continue; } if (tag != OF_DT_BEGIN_NODE) { @@ -80,7 +80,7 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node, } depth++; pathp = (char *)p; - p = _ALIGN(p + strlen(pathp) + 1, 4); + p = ALIGN(p + strlen(pathp) + 1, 4); if ((*pathp) == '/') { char *lp, *np; for (lp = NULL, np = pathp; *np; np++) @@ -109,7 +109,7 @@ unsigned long __init of_get_flat_dt_root(void) p += 4; BUG_ON(be32_to_cpup((__be32 *)p) != OF_DT_BEGIN_NODE); p += 4; - return _ALIGN(p + strlen((char *)p) + 1, 4); + return ALIGN(p + strlen((char *)p) + 1, 4); } /** @@ -138,7 +138,7 @@ void *__init of_get_flat_dt_prop(unsigned long node, const char *name, noff = be32_to_cpup((__be32 *)(p + 4)); p += 8; if (be32_to_cpu(initial_boot_params->version) < 0x10) - p = _ALIGN(p, sz >= 8 ? 8 : 4); + p = ALIGN(p, sz >= 8 ? 8 : 4); nstr = find_flat_dt_string(noff); if (nstr == NULL) { @@ -151,7 +151,7 @@ void *__init of_get_flat_dt_prop(unsigned long node, const char *name, return (void *)p; } p += sz; - p = _ALIGN(p, 4); + p = ALIGN(p, 4); } while (1); } @@ -169,7 +169,7 @@ int __init of_flat_dt_is_compatible(unsigned long node, const char *compat) if (cp == NULL) return 0; while (cplen > 0) { - if (strncasecmp(cp, compat, strlen(compat)) == 0) + if (of_compat_cmp(cp, compat, strlen(compat)) == 0) return 1; l = strlen(cp) + 1; cp += l; @@ -184,7 +184,7 @@ static void *__init unflatten_dt_alloc(unsigned long *mem, unsigned long size, { void *res; - *mem = _ALIGN(*mem, align); + *mem = ALIGN(*mem, align); res = (void *)*mem; *mem += size; @@ -220,7 +220,7 @@ unsigned long __init unflatten_dt_node(unsigned long mem, *p += 4; pathp = (char *)*p; l = allocl = strlen(pathp) + 1; - *p = _ALIGN(*p + l, 4); + *p = ALIGN(*p + l, 4); /* version 0x10 has a more compact unit name here instead of the full * path. we accumulate the full path size using "fpsize", we'll rebuild @@ -299,7 +299,7 @@ unsigned long __init unflatten_dt_node(unsigned long mem, noff = be32_to_cpup((__be32 *)((*p) + 4)); *p += 8; if (be32_to_cpu(initial_boot_params->version) < 0x10) - *p = _ALIGN(*p, sz >= 8 ? 8 : 4); + *p = ALIGN(*p, sz >= 8 ? 8 : 4); pname = find_flat_dt_string(noff); if (pname == NULL) { @@ -320,20 +320,20 @@ unsigned long __init unflatten_dt_node(unsigned long mem, if ((strcmp(pname, "phandle") == 0) || (strcmp(pname, "linux,phandle") == 0)) { if (np->phandle == 0) - np->phandle = *((u32 *)*p); + np->phandle = be32_to_cpup((__be32*)*p); } /* And we process the "ibm,phandle" property * used in pSeries dynamic device tree * stuff */ if (strcmp(pname, "ibm,phandle") == 0) - np->phandle = *((u32 *)*p); + np->phandle = be32_to_cpup((__be32 *)*p); pp->name = pname; pp->length = sz; pp->value = (void *)*p; *prev_pp = pp; prev_pp = &pp->next; } - *p = _ALIGN((*p) + sz, 4); + *p = ALIGN((*p) + sz, 4); } /* with version 0x10 we may not have the name property, recreate * it here from the unit name if absent diff --git a/drivers/of/gpio.c b/drivers/of/gpio.c index a1b31a4..9059603 100644 --- a/drivers/of/gpio.c +++ b/drivers/of/gpio.c @@ -11,13 +11,14 @@ * (at your option) any later version. */ -#include <linux/kernel.h> +#include <linux/device.h> #include <linux/errno.h> +#include <linux/module.h> #include <linux/io.h> #include <linux/of.h> -#include <linux/slab.h> +#include <linux/of_address.h> #include <linux/of_gpio.h> -#include <asm/prom.h> +#include <linux/slab.h> /** * of_get_gpio_flags - Get a GPIO number and flags to use with GPIO API @@ -33,32 +34,32 @@ int of_get_gpio_flags(struct device_node *np, int index, enum of_gpio_flags *flags) { int ret; - struct device_node *gc; - struct of_gpio_chip *of_gc = NULL; + struct device_node *gpio_np; + struct gpio_chip *gc; int size; const void *gpio_spec; const __be32 *gpio_cells; ret = of_parse_phandles_with_args(np, "gpios", "#gpio-cells", index, - &gc, &gpio_spec); + &gpio_np, &gpio_spec); if (ret) { pr_debug("%s: can't parse gpios property\n", __func__); goto err0; } - of_gc = gc->data; - if (!of_gc) { + gc = of_node_to_gpiochip(gpio_np); + if (!gc) { pr_debug("%s: gpio controller %s isn't registered\n", - np->full_name, gc->full_name); + np->full_name, gpio_np->full_name); ret = -ENODEV; goto err1; } - gpio_cells = of_get_property(gc, "#gpio-cells", &size); + gpio_cells = of_get_property(gpio_np, "#gpio-cells", &size); if (!gpio_cells || size != sizeof(*gpio_cells) || - be32_to_cpup(gpio_cells) != of_gc->gpio_cells) { + be32_to_cpup(gpio_cells) != gc->of_gpio_n_cells) { pr_debug("%s: wrong #gpio-cells for %s\n", - np->full_name, gc->full_name); + np->full_name, gpio_np->full_name); ret = -EINVAL; goto err1; } @@ -67,13 +68,13 @@ int of_get_gpio_flags(struct device_node *np, int index, if (flags) *flags = 0; - ret = of_gc->xlate(of_gc, np, gpio_spec, flags); + ret = gc->of_xlate(gc, np, gpio_spec, flags); if (ret < 0) goto err1; - ret += of_gc->gc.base; + ret += gc->base; err1: - of_node_put(gc); + of_node_put(gpio_np); err0: pr_debug("%s exited with status %d\n", __func__, ret); return ret; @@ -116,7 +117,7 @@ EXPORT_SYMBOL(of_gpio_count); /** * of_gpio_simple_xlate - translate gpio_spec to the GPIO number and flags - * @of_gc: pointer to the of_gpio_chip structure + * @gc: pointer to the gpio_chip structure * @np: device node of the GPIO chip * @gpio_spec: gpio specifier as found in the device tree * @flags: a flags pointer to fill in @@ -125,8 +126,8 @@ EXPORT_SYMBOL(of_gpio_count); * gpio chips. This function performs only one sanity check: whether gpio * is less than ngpios (that is specified in the gpio_chip). */ -int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np, - const void *gpio_spec, enum of_gpio_flags *flags) +static int of_gpio_simple_xlate(struct gpio_chip *gc, struct device_node *np, + const void *gpio_spec, u32 *flags) { const __be32 *gpio = gpio_spec; const u32 n = be32_to_cpup(gpio); @@ -137,12 +138,12 @@ int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np, * number and the flags from a single gpio cell -- this is possible, * but not recommended). */ - if (of_gc->gpio_cells < 2) { + if (gc->of_gpio_n_cells < 2) { WARN_ON(1); return -EINVAL; } - if (n > of_gc->gc.ngpio) + if (n > gc->ngpio) return -EINVAL; if (flags) @@ -150,7 +151,6 @@ int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, struct device_node *np, return n; } -EXPORT_SYMBOL(of_gpio_simple_xlate); /** * of_mm_gpiochip_add - Add memory mapped GPIO chip (bank) @@ -161,10 +161,8 @@ EXPORT_SYMBOL(of_gpio_simple_xlate); * * 1) In the gpio_chip structure: * - all the callbacks - * - * 2) In the of_gpio_chip structure: - * - gpio_cells - * - xlate callback (optional) + * - of_gpio_n_cells + * - of_xlate callback (optional) * * 3) In the of_mm_gpio_chip structure: * - save_regs callback (optional) @@ -177,8 +175,7 @@ int of_mm_gpiochip_add(struct device_node *np, struct of_mm_gpio_chip *mm_gc) { int ret = -ENOMEM; - struct of_gpio_chip *of_gc = &mm_gc->of_gc; - struct gpio_chip *gc = &of_gc->gc; + struct gpio_chip *gc = &mm_gc->gc; gc->label = kstrdup(np->full_name, GFP_KERNEL); if (!gc->label) @@ -190,26 +187,19 @@ int of_mm_gpiochip_add(struct device_node *np, gc->base = -1; - if (!of_gc->xlate) - of_gc->xlate = of_gpio_simple_xlate; - if (mm_gc->save_regs) mm_gc->save_regs(mm_gc); - np->data = of_gc; + mm_gc->gc.of_node = np; ret = gpiochip_add(gc); if (ret) goto err2; - /* We don't want to lose the node and its ->data */ - of_node_get(np); - pr_debug("%s: registered as generic GPIO chip, base is %d\n", np->full_name, gc->base); return 0; err2: - np->data = NULL; iounmap(mm_gc->regs); err1: kfree(gc->label); @@ -219,3 +209,36 @@ err0: return ret; } EXPORT_SYMBOL(of_mm_gpiochip_add); + +void of_gpiochip_add(struct gpio_chip *chip) +{ + if ((!chip->of_node) && (chip->dev)) + chip->of_node = chip->dev->of_node; + + if (!chip->of_node) + return; + + if (!chip->of_xlate) { + chip->of_gpio_n_cells = 2; + chip->of_xlate = of_gpio_simple_xlate; + } + + of_node_get(chip->of_node); +} + +void of_gpiochip_remove(struct gpio_chip *chip) +{ + if (chip->of_node) + of_node_put(chip->of_node); +} + +/* Private function for resolving node pointer to gpio_chip */ +static int of_gpiochip_is_match(struct gpio_chip *chip, void *data) +{ + return chip->of_node == data; +} + +struct gpio_chip *of_node_to_gpiochip(struct device_node *np) +{ + return gpiochip_find(np, of_gpiochip_is_match); +} diff --git a/drivers/of/irq.c b/drivers/of/irq.c new file mode 100644 index 0000000..6e595e5 --- /dev/null +++ b/drivers/of/irq.c @@ -0,0 +1,349 @@ +/* + * Derived from arch/i386/kernel/irq.c + * Copyright (C) 1992 Linus Torvalds + * Adapted from arch/i386 by Gary Thomas + * Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org) + * Updated and modified by Cort Dougan <cort@fsmlabs.com> + * Copyright (C) 1996-2001 Cort Dougan + * Adapted for Power Macintosh by Paul Mackerras + * Copyright (C) 1996 Paul Mackerras (paulus@cs.anu.edu.au) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + * + * This file contains the code used to make IRQ descriptions in the + * device tree to actual irq numbers on an interrupt controller + * driver. + */ + +#include <linux/errno.h> +#include <linux/module.h> +#include <linux/of.h> +#include <linux/of_irq.h> +#include <linux/string.h> + +/** + * irq_of_parse_and_map - Parse and map an interrupt into linux virq space + * @device: Device node of the device whose interrupt is to be mapped + * @index: Index of the interrupt to map + * + * This function is a wrapper that chains of_irq_map_one() and + * irq_create_of_mapping() to make things easier to callers + */ +unsigned int irq_of_parse_and_map(struct device_node *dev, int index) +{ + struct of_irq oirq; + + if (of_irq_map_one(dev, index, &oirq)) + return NO_IRQ; + + return irq_create_of_mapping(oirq.controller, oirq.specifier, + oirq.size); +} +EXPORT_SYMBOL_GPL(irq_of_parse_and_map); + +/** + * of_irq_find_parent - Given a device node, find its interrupt parent node + * @child: pointer to device node + * + * Returns a pointer to the interrupt parent node, or NULL if the interrupt + * parent could not be determined. + */ +static struct device_node *of_irq_find_parent(struct device_node *child) +{ + struct device_node *p; + const __be32 *parp; + + if (!of_node_get(child)) + return NULL; + + do { + parp = of_get_property(child, "interrupt-parent", NULL); + if (parp == NULL) + p = of_get_parent(child); + else { + if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) + p = of_node_get(of_irq_dflt_pic); + else + p = of_find_node_by_phandle(be32_to_cpup(parp)); + } + of_node_put(child); + child = p; + } while (p && of_get_property(p, "#interrupt-cells", NULL) == NULL); + + return p; +} + +/** + * of_irq_map_raw - Low level interrupt tree parsing + * @parent: the device interrupt parent + * @intspec: interrupt specifier ("interrupts" property of the device) + * @ointsize: size of the passed in interrupt specifier + * @addr: address specifier (start of "reg" property of the device) + * @out_irq: structure of_irq filled by this function + * + * Returns 0 on success and a negative number on error + * + * This function is a low-level interrupt tree walking function. It + * can be used to do a partial walk with synthetized reg and interrupts + * properties, for example when resolving PCI interrupts when no device + * node exist for the parent. + */ +int of_irq_map_raw(struct device_node *parent, const __be32 *intspec, + u32 ointsize, const __be32 *addr, struct of_irq *out_irq) +{ + struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL; + const __be32 *tmp, *imap, *imask; + u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0; + int imaplen, match, i; + + pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n", + parent->full_name, be32_to_cpup(intspec), + be32_to_cpup(intspec + 1), ointsize); + + ipar = of_node_get(parent); + + /* First get the #interrupt-cells property of the current cursor + * that tells us how to interpret the passed-in intspec. If there + * is none, we are nice and just walk up the tree + */ + do { + tmp = of_get_property(ipar, "#interrupt-cells", NULL); + if (tmp != NULL) { + intsize = be32_to_cpu(*tmp); + break; + } + tnode = ipar; + ipar = of_irq_find_parent(ipar); + of_node_put(tnode); + } while (ipar); + if (ipar == NULL) { + pr_debug(" -> no parent found !\n"); + goto fail; + } + + pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize); + + if (ointsize != intsize) + return -EINVAL; + + /* Look for this #address-cells. We have to implement the old linux + * trick of looking for the parent here as some device-trees rely on it + */ + old = of_node_get(ipar); + do { + tmp = of_get_property(old, "#address-cells", NULL); + tnode = of_get_parent(old); + of_node_put(old); + old = tnode; + } while (old && tmp == NULL); + of_node_put(old); + old = NULL; + addrsize = (tmp == NULL) ? 2 : be32_to_cpu(*tmp); + + pr_debug(" -> addrsize=%d\n", addrsize); + + /* Now start the actual "proper" walk of the interrupt tree */ + while (ipar != NULL) { + /* Now check if cursor is an interrupt-controller and if it is + * then we are done + */ + if (of_get_property(ipar, "interrupt-controller", NULL) != + NULL) { + pr_debug(" -> got it !\n"); + for (i = 0; i < intsize; i++) + out_irq->specifier[i] = + of_read_number(intspec +i, 1); + out_irq->size = intsize; + out_irq->controller = ipar; + of_node_put(old); + return 0; + } + + /* Now look for an interrupt-map */ + imap = of_get_property(ipar, "interrupt-map", &imaplen); + /* No interrupt map, check for an interrupt parent */ + if (imap == NULL) { + pr_debug(" -> no map, getting parent\n"); + newpar = of_irq_find_parent(ipar); + goto skiplevel; + } + imaplen /= sizeof(u32); + + /* Look for a mask */ + imask = of_get_property(ipar, "interrupt-map-mask", NULL); + + /* If we were passed no "reg" property and we attempt to parse + * an interrupt-map, then #address-cells must be 0. + * Fail if it's not. + */ + if (addr == NULL && addrsize != 0) { + pr_debug(" -> no reg passed in when needed !\n"); + goto fail; + } + + /* Parse interrupt-map */ + match = 0; + while (imaplen > (addrsize + intsize + 1) && !match) { + /* Compare specifiers */ + match = 1; + for (i = 0; i < addrsize && match; ++i) { + u32 mask = imask ? imask[i] : 0xffffffffu; + match = ((addr[i] ^ imap[i]) & mask) == 0; + } + for (; i < (addrsize + intsize) && match; ++i) { + u32 mask = imask ? imask[i] : 0xffffffffu; + match = + ((intspec[i-addrsize] ^ imap[i]) & mask) == 0; + } + imap += addrsize + intsize; + imaplen -= addrsize + intsize; + + pr_debug(" -> match=%d (imaplen=%d)\n", match, imaplen); + + /* Get the interrupt parent */ + if (of_irq_workarounds & OF_IMAP_NO_PHANDLE) + newpar = of_node_get(of_irq_dflt_pic); + else + newpar = of_find_node_by_phandle(be32_to_cpup(imap)); + imap++; + --imaplen; + + /* Check if not found */ + if (newpar == NULL) { + pr_debug(" -> imap parent not found !\n"); + goto fail; + } + + /* Get #interrupt-cells and #address-cells of new + * parent + */ + tmp = of_get_property(newpar, "#interrupt-cells", NULL); + if (tmp == NULL) { + pr_debug(" -> parent lacks #interrupt-cells!\n"); + goto fail; + } + newintsize = be32_to_cpu(*tmp); + tmp = of_get_property(newpar, "#address-cells", NULL); + newaddrsize = (tmp == NULL) ? 0 : be32_to_cpu(*tmp); + + pr_debug(" -> newintsize=%d, newaddrsize=%d\n", + newintsize, newaddrsize); + + /* Check for malformed properties */ + if (imaplen < (newaddrsize + newintsize)) + goto fail; + + imap += newaddrsize + newintsize; + imaplen -= newaddrsize + newintsize; + + pr_debug(" -> imaplen=%d\n", imaplen); + } + if (!match) + goto fail; + + of_node_put(old); + old = of_node_get(newpar); + addrsize = newaddrsize; + intsize = newintsize; + intspec = imap - intsize; + addr = intspec - addrsize; + + skiplevel: + /* Iterate again with new parent */ + pr_debug(" -> new parent: %s\n", newpar ? newpar->full_name : "<>"); + of_node_put(ipar); + ipar = newpar; + newpar = NULL; + } + fail: + of_node_put(ipar); + of_node_put(old); + of_node_put(newpar); + + return -EINVAL; +} +EXPORT_SYMBOL_GPL(of_irq_map_raw); + +/** + * of_irq_map_one - Resolve an interrupt for a device + * @device: the device whose interrupt is to be resolved + * @index: index of the interrupt to resolve + * @out_irq: structure of_irq filled by this function + * + * This function resolves an interrupt, walking the tree, for a given + * device-tree node. It's the high level pendant to of_irq_map_raw(). + */ +int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq) +{ + struct device_node *p; + const __be32 *intspec, *tmp, *addr; + u32 intsize, intlen; + int res = -EINVAL; + + pr_debug("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index); + + /* OldWorld mac stuff is "special", handle out of line */ + if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC) + return of_irq_map_oldworld(device, index, out_irq); + + /* Get the interrupts property */ + intspec = of_get_property(device, "interrupts", &intlen); + if (intspec == NULL) + return -EINVAL; + intlen /= sizeof(*intspec); + + pr_debug(" intspec=%d intlen=%d\n", be32_to_cpup(intspec), intlen); + + /* Get the reg property (if any) */ + addr = of_get_property(device, "reg", NULL); + + /* Look for the interrupt parent. */ + p = of_irq_find_parent(device); + if (p == NULL) + return -EINVAL; + + /* Get size of interrupt specifier */ + tmp = of_get_property(p, "#interrupt-cells", NULL); + if (tmp == NULL) + goto out; + intsize = be32_to_cpu(*tmp); + + pr_debug(" intsize=%d intlen=%d\n", intsize, intlen); + + /* Check index */ + if ((index + 1) * intsize > intlen) + goto out; + + /* Get new specifier and map it */ + res = of_irq_map_raw(p, intspec + index * intsize, intsize, + addr, out_irq); + out: + of_node_put(p); + return res; +} +EXPORT_SYMBOL_GPL(of_irq_map_one); + +/** + * of_irq_to_resource - Decode a node's IRQ and return it as a resource + * @dev: pointer to device tree node + * @index: zero-based index of the irq + * @r: pointer to resource structure to return result into. + */ +int of_irq_to_resource(struct device_node *dev, int index, struct resource *r) +{ + int irq = irq_of_parse_and_map(dev, index); + + /* Only dereference the resource if both the + * resource and the irq are valid. */ + if (r && irq != NO_IRQ) { + r->start = r->end = irq; + r->flags = IORESOURCE_IRQ; + r->name = dev->full_name; + } + + return irq; +} +EXPORT_SYMBOL_GPL(of_irq_to_resource); diff --git a/drivers/of/of_i2c.c b/drivers/of/of_i2c.c index ab6522c..0a694de 100644 --- a/drivers/of/of_i2c.c +++ b/drivers/of/of_i2c.c @@ -14,57 +14,65 @@ #include <linux/i2c.h> #include <linux/of.h> #include <linux/of_i2c.h> +#include <linux/of_irq.h> #include <linux/module.h> -void of_register_i2c_devices(struct i2c_adapter *adap, - struct device_node *adap_node) +void of_i2c_register_devices(struct i2c_adapter *adap) { void *result; struct device_node *node; - for_each_child_of_node(adap_node, node) { + /* Only register child devices if the adapter has a node pointer set */ + if (!adap->dev.of_node) + return; + + dev_dbg(&adap->dev, "of_i2c: walking child nodes\n"); + + for_each_child_of_node(adap->dev.of_node, node) { struct i2c_board_info info = {}; struct dev_archdata dev_ad = {}; const __be32 *addr; int len; - if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) + dev_dbg(&adap->dev, "of_i2c: register %s\n", node->full_name); + + if (of_modalias_node(node, info.type, sizeof(info.type)) < 0) { + dev_err(&adap->dev, "of_i2c: modalias failure on %s\n", + node->full_name); continue; + } addr = of_get_property(node, "reg", &len); - if (!addr || len < sizeof(int) || *addr > (1 << 10) - 1) { - printk(KERN_ERR - "of-i2c: invalid i2c device entry\n"); + if (!addr || (len < sizeof(int))) { + dev_err(&adap->dev, "of_i2c: invalid reg on %s\n", + node->full_name); continue; } - info.irq = irq_of_parse_and_map(node, 0); - info.addr = be32_to_cpup(addr); + if (info.addr > (1 << 10) - 1) { + dev_err(&adap->dev, "of_i2c: invalid addr=%x on %s\n", + info.addr, node->full_name); + continue; + } - info.of_node = node; + info.irq = irq_of_parse_and_map(node, 0); + info.of_node = of_node_get(node); info.archdata = &dev_ad; request_module("%s", info.type); result = i2c_new_device(adap, &info); if (result == NULL) { - printk(KERN_ERR - "of-i2c: Failed to load driver for %s\n", - info.type); + dev_err(&adap->dev, "of_i2c: Failure registering %s\n", + node->full_name); + of_node_put(node); irq_dispose_mapping(info.irq); continue; } - - /* - * Get the node to not lose the dev_archdata->of_node. - * Currently there is no way to put it back, as well as no - * of_unregister_i2c_devices() call. - */ - of_node_get(node); } } -EXPORT_SYMBOL(of_register_i2c_devices); +EXPORT_SYMBOL(of_i2c_register_devices); static int of_dev_node_match(struct device *dev, void *data) { diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index 42a6715..1fce00e 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -15,6 +15,7 @@ #include <linux/err.h> #include <linux/phy.h> #include <linux/of.h> +#include <linux/of_irq.h> #include <linux/of_mdio.h> #include <linux/module.h> diff --git a/drivers/of/of_spi.c b/drivers/of/of_spi.c index 5fed7e3..1dbce58 100644 --- a/drivers/of/of_spi.c +++ b/drivers/of/of_spi.c @@ -9,17 +9,17 @@ #include <linux/of.h> #include <linux/device.h> #include <linux/spi/spi.h> +#include <linux/of_irq.h> #include <linux/of_spi.h> /** * of_register_spi_devices - Register child devices onto the SPI bus * @master: Pointer to spi_master device - * @np: parent node of SPI device nodes * - * Registers an spi_device for each child node of 'np' which has a 'reg' + * Registers an spi_device for each child node of master node which has a 'reg' * property. */ -void of_register_spi_devices(struct spi_master *master, struct device_node *np) +void of_register_spi_devices(struct spi_master *master) { struct spi_device *spi; struct device_node *nc; @@ -27,7 +27,10 @@ void of_register_spi_devices(struct spi_master *master, struct device_node *np) int rc; int len; - for_each_child_of_node(np, nc) { + if (!master->dev.of_node) + return; + + for_each_child_of_node(master->dev.of_node, nc) { /* Alloc an spi_device */ spi = spi_alloc_device(master); if (!spi) { diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 7dacc1e..bb72223 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -14,8 +14,105 @@ #include <linux/errno.h> #include <linux/module.h> #include <linux/device.h> +#include <linux/dma-mapping.h> +#include <linux/slab.h> +#include <linux/of_address.h> #include <linux/of_device.h> +#include <linux/of_irq.h> #include <linux/of_platform.h> +#include <linux/platform_device.h> + +static int of_dev_node_match(struct device *dev, void *data) +{ + return dev->of_node == data; +} + +/** + * of_find_device_by_node - Find the platform_device associated with a node + * @np: Pointer to device tree node + * + * Returns platform_device pointer, or NULL if not found + */ +struct platform_device *of_find_device_by_node(struct device_node *np) +{ + struct device *dev; + + dev = bus_find_device(&platform_bus_type, NULL, np, of_dev_node_match); + return dev ? to_platform_device(dev) : NULL; +} +EXPORT_SYMBOL(of_find_device_by_node); + +static int platform_driver_probe_shim(struct platform_device *pdev) +{ + struct platform_driver *pdrv; + struct of_platform_driver *ofpdrv; + const struct of_device_id *match; + + pdrv = container_of(pdev->dev.driver, struct platform_driver, driver); + ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver); + + /* There is an unlikely chance that an of_platform driver might match + * on a non-OF platform device. If so, then of_match_device() will + * come up empty. Return -EINVAL in this case so other drivers get + * the chance to bind. */ + match = of_match_device(pdev->dev.driver->of_match_table, &pdev->dev); + return match ? ofpdrv->probe(pdev, match) : -EINVAL; +} + +static void platform_driver_shutdown_shim(struct platform_device *pdev) +{ + struct platform_driver *pdrv; + struct of_platform_driver *ofpdrv; + + pdrv = container_of(pdev->dev.driver, struct platform_driver, driver); + ofpdrv = container_of(pdrv, struct of_platform_driver, platform_driver); + ofpdrv->shutdown(pdev); +} + +/** + * of_register_platform_driver + */ +int of_register_platform_driver(struct of_platform_driver *drv) +{ + char *of_name; + + /* setup of_platform_driver to platform_driver adaptors */ + drv->platform_driver.driver = drv->driver; + + /* Prefix the driver name with 'of:' to avoid namespace collisions + * and bogus matches. There are some drivers in the tree that + * register both an of_platform_driver and a platform_driver with + * the same name. This is a temporary measure until they are all + * cleaned up --gcl July 29, 2010 */ + of_name = kmalloc(strlen(drv->driver.name) + 5, GFP_KERNEL); + if (!of_name) + return -ENOMEM; + sprintf(of_name, "of:%s", drv->driver.name); + drv->platform_driver.driver.name = of_name; + + if (drv->probe) + drv->platform_driver.probe = platform_driver_probe_shim; + drv->platform_driver.remove = drv->remove; + if (drv->shutdown) + drv->platform_driver.shutdown = platform_driver_shutdown_shim; + drv->platform_driver.suspend = drv->suspend; + drv->platform_driver.resume = drv->resume; + + return platform_driver_register(&drv->platform_driver); +} +EXPORT_SYMBOL(of_register_platform_driver); + +void of_unregister_platform_driver(struct of_platform_driver *drv) +{ + platform_driver_unregister(&drv->platform_driver); + kfree(drv->platform_driver.driver.name); + drv->platform_driver.driver.name = NULL; +} +EXPORT_SYMBOL(of_unregister_platform_driver); + +#if defined(CONFIG_PPC_DCR) +#include <asm/dcr.h> +#endif extern struct device_attribute of_platform_device_attrs[]; @@ -33,11 +130,11 @@ static int of_platform_device_probe(struct device *dev) { int error = -ENODEV; struct of_platform_driver *drv; - struct of_device *of_dev; + struct platform_device *of_dev; const struct of_device_id *match; drv = to_of_platform_driver(dev->driver); - of_dev = to_of_device(dev); + of_dev = to_platform_device(dev); if (!drv->probe) return error; @@ -55,7 +152,7 @@ static int of_platform_device_probe(struct device *dev) static int of_platform_device_remove(struct device *dev) { - struct of_device *of_dev = to_of_device(dev); + struct platform_device *of_dev = to_platform_device(dev); struct of_platform_driver *drv = to_of_platform_driver(dev->driver); if (dev->driver && drv->remove) @@ -65,7 +162,7 @@ static int of_platform_device_remove(struct device *dev) static void of_platform_device_shutdown(struct device *dev) { - struct of_device *of_dev = to_of_device(dev); + struct platform_device *of_dev = to_platform_device(dev); struct of_platform_driver *drv = to_of_platform_driver(dev->driver); if (dev->driver && drv->shutdown) @@ -76,7 +173,7 @@ static void of_platform_device_shutdown(struct device *dev) static int of_platform_legacy_suspend(struct device *dev, pm_message_t mesg) { - struct of_device *of_dev = to_of_device(dev); + struct platform_device *of_dev = to_platform_device(dev); struct of_platform_driver *drv = to_of_platform_driver(dev->driver); int ret = 0; @@ -87,7 +184,7 @@ static int of_platform_legacy_suspend(struct device *dev, pm_message_t mesg) static int of_platform_legacy_resume(struct device *dev) { - struct of_device *of_dev = to_of_device(dev); + struct platform_device *of_dev = to_platform_device(dev); struct of_platform_driver *drv = to_of_platform_driver(dev->driver); int ret = 0; @@ -384,15 +481,286 @@ int of_bus_type_init(struct bus_type *bus, const char *name) int of_register_driver(struct of_platform_driver *drv, struct bus_type *bus) { - drv->driver.bus = bus; + /* + * Temporary: of_platform_bus used to be distinct from the platform + * bus. It isn't anymore, and so drivers on the platform bus need + * to be registered in a special way. + * + * After all of_platform_bus_type drivers are converted to + * platform_drivers, this exception can be removed. + */ + if (bus == &platform_bus_type) + return of_register_platform_driver(drv); /* register with core */ + drv->driver.bus = bus; return driver_register(&drv->driver); } EXPORT_SYMBOL(of_register_driver); void of_unregister_driver(struct of_platform_driver *drv) { - driver_unregister(&drv->driver); + if (drv->driver.bus == &platform_bus_type) + of_unregister_platform_driver(drv); + else + driver_unregister(&drv->driver); } EXPORT_SYMBOL(of_unregister_driver); + +#if !defined(CONFIG_SPARC) +/* + * The following routines scan a subtree and registers a device for + * each applicable node. + * + * Note: sparc doesn't use these routines because it has a different + * mechanism for creating devices from device tree nodes. + */ + +/** + * of_device_make_bus_id - Use the device node data to assign a unique name + * @dev: pointer to device structure that is linked to a device tree node + * + * This routine will first try using either the dcr-reg or the reg property + * value to derive a unique name. As a last resort it will use the node + * name followed by a unique number. + */ +void of_device_make_bus_id(struct device *dev) +{ + static atomic_t bus_no_reg_magic; + struct device_node *node = dev->of_node; + const u32 *reg; + u64 addr; + int magic; + +#ifdef CONFIG_PPC_DCR + /* + * If it's a DCR based device, use 'd' for native DCRs + * and 'D' for MMIO DCRs. + */ + reg = of_get_property(node, "dcr-reg", NULL); + if (reg) { +#ifdef CONFIG_PPC_DCR_NATIVE + dev_set_name(dev, "d%x.%s", *reg, node->name); +#else /* CONFIG_PPC_DCR_NATIVE */ + u64 addr = of_translate_dcr_address(node, *reg, NULL); + if (addr != OF_BAD_ADDR) { + dev_set_name(dev, "D%llx.%s", + (unsigned long long)addr, node->name); + return; + } +#endif /* !CONFIG_PPC_DCR_NATIVE */ + } +#endif /* CONFIG_PPC_DCR */ + + /* + * For MMIO, get the physical address + */ + reg = of_get_property(node, "reg", NULL); + if (reg) { + addr = of_translate_address(node, reg); + if (addr != OF_BAD_ADDR) { + dev_set_name(dev, "%llx.%s", + (unsigned long long)addr, node->name); + return; + } + } + + /* + * No BusID, use the node name and add a globally incremented + * counter (and pray...) + */ + magic = atomic_add_return(1, &bus_no_reg_magic); + dev_set_name(dev, "%s.%d", node->name, magic - 1); +} + +/** + * of_device_alloc - Allocate and initialize an of_device + * @np: device node to assign to device + * @bus_id: Name to assign to the device. May be null to use default name. + * @parent: Parent device. + */ +struct platform_device *of_device_alloc(struct device_node *np, + const char *bus_id, + struct device *parent) +{ + struct platform_device *dev; + int rc, i, num_reg = 0, num_irq = 0; + struct resource *res, temp_res; + + /* First count how many resources are needed */ + while (of_address_to_resource(np, num_reg, &temp_res) == 0) + num_reg++; + while (of_irq_to_resource(np, num_irq, &temp_res) != NO_IRQ) + num_irq++; + + /* Allocate memory for both the struct device and the resource table */ + dev = kzalloc(sizeof(*dev) + (sizeof(*res) * (num_reg + num_irq)), + GFP_KERNEL); + if (!dev) + return NULL; + res = (struct resource *) &dev[1]; + + /* Populate the resource table */ + if (num_irq || num_reg) { + dev->num_resources = num_reg + num_irq; + dev->resource = res; + for (i = 0; i < num_reg; i++, res++) { + rc = of_address_to_resource(np, i, res); + WARN_ON(rc); + } + for (i = 0; i < num_irq; i++, res++) { + rc = of_irq_to_resource(np, i, res); + WARN_ON(rc == NO_IRQ); + } + } + + dev->dev.of_node = of_node_get(np); +#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE) + dev->dev.dma_mask = &dev->archdata.dma_mask; +#endif + dev->dev.parent = parent; + dev->dev.release = of_release_dev; + + if (bus_id) + dev_set_name(&dev->dev, "%s", bus_id); + else + of_device_make_bus_id(&dev->dev); + + return dev; +} +EXPORT_SYMBOL(of_device_alloc); + +/** + * of_platform_device_create - Alloc, initialize and register an of_device + * @np: pointer to node to create device for + * @bus_id: name to assign device + * @parent: Linux device model parent device. + */ +struct platform_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent) +{ + struct platform_device *dev; + + dev = of_device_alloc(np, bus_id, parent); + if (!dev) + return NULL; + +#if defined(CONFIG_PPC) || defined(CONFIG_MICROBLAZE) + dev->archdata.dma_mask = 0xffffffffUL; +#endif + dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + dev->dev.bus = &platform_bus_type; + + /* We do not fill the DMA ops for platform devices by default. + * This is currently the responsibility of the platform code + * to do such, possibly using a device notifier + */ + + if (of_device_register(dev) != 0) { + of_device_free(dev); + return NULL; + } + + return dev; +} +EXPORT_SYMBOL(of_platform_device_create); + +/** + * of_platform_bus_create - Create an OF device for a bus node and all its + * children. Optionally recursively instantiate matching busses. + * @bus: device node of the bus to instantiate + * @matches: match table, NULL to use the default, OF_NO_DEEP_PROBE to + * disallow recursive creation of child busses + */ +static int of_platform_bus_create(const struct device_node *bus, + const struct of_device_id *matches, + struct device *parent) +{ + struct device_node *child; + struct platform_device *dev; + int rc = 0; + + for_each_child_of_node(bus, child) { + pr_debug(" create child: %s\n", child->full_name); + dev = of_platform_device_create(child, NULL, parent); + if (dev == NULL) + rc = -ENOMEM; + else if (!of_match_node(matches, child)) + continue; + if (rc == 0) { + pr_debug(" and sub busses\n"); + rc = of_platform_bus_create(child, matches, &dev->dev); + } + if (rc) { + of_node_put(child); + break; + } + } + return rc; +} + +/** + * of_platform_bus_probe - Probe the device-tree for platform busses + * @root: parent of the first level to probe or NULL for the root of the tree + * @matches: match table, NULL to use the default + * @parent: parent to hook devices from, NULL for toplevel + * + * Note that children of the provided root are not instantiated as devices + * unless the specified root itself matches the bus list and is not NULL. + */ +int of_platform_bus_probe(struct device_node *root, + const struct of_device_id *matches, + struct device *parent) +{ + struct device_node *child; + struct platform_device *dev; + int rc = 0; + + if (WARN_ON(!matches || matches == OF_NO_DEEP_PROBE)) + return -EINVAL; + if (root == NULL) + root = of_find_node_by_path("/"); + else + of_node_get(root); + if (root == NULL) + return -EINVAL; + + pr_debug("of_platform_bus_probe()\n"); + pr_debug(" starting at: %s\n", root->full_name); + + /* Do a self check of bus type, if there's a match, create + * children + */ + if (of_match_node(matches, root)) { + pr_debug(" root match, create all sub devices\n"); + dev = of_platform_device_create(root, NULL, parent); + if (dev == NULL) { + rc = -ENOMEM; + goto bail; + } + pr_debug(" create all sub busses\n"); + rc = of_platform_bus_create(root, matches, &dev->dev); + goto bail; + } + for_each_child_of_node(root, child) { + if (!of_match_node(matches, child)) + continue; + + pr_debug(" match: %s\n", child->full_name); + dev = of_platform_device_create(child, NULL, parent); + if (dev == NULL) + rc = -ENOMEM; + else + rc = of_platform_bus_create(child, matches, &dev->dev); + if (rc) { + of_node_put(child); + break; + } + } + bail: + of_node_put(root); + return rc; +} +EXPORT_SYMBOL(of_platform_bus_probe); +#endif /* !CONFIG_SPARC */ diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c index 9a5b4b8..210a644 100644 --- a/drivers/parport/parport_sunbpp.c +++ b/drivers/parport/parport_sunbpp.c @@ -295,7 +295,7 @@ static int __devinit bpp_probe(struct of_device *op, const struct of_device_id * void __iomem *base; struct parport *p; - irq = op->irqs[0]; + irq = op->archdata.irqs[0]; base = of_ioremap(&op->resource[0], 0, resource_size(&op->resource[0]), "sunbpp"); @@ -393,12 +393,12 @@ static struct of_platform_driver bpp_sbus_driver = { static int __init parport_sunbpp_init(void) { - return of_register_driver(&bpp_sbus_driver, &of_bus_type); + return of_register_platform_driver(&bpp_sbus_driver); } static void __exit parport_sunbpp_exit(void) { - of_unregister_driver(&bpp_sbus_driver); + of_unregister_platform_driver(&bpp_sbus_driver); } MODULE_AUTHOR("Derrick J Brashear"); diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c index 8bfdd63..3e89c31 100644 --- a/drivers/sbus/char/bbc_i2c.c +++ b/drivers/sbus/char/bbc_i2c.c @@ -317,7 +317,7 @@ static struct bbc_i2c_bus * __init attach_one_i2c(struct of_device *op, int inde bp->waiting = 0; init_waitqueue_head(&bp->wq); - if (request_irq(op->irqs[0], bbc_i2c_interrupt, + if (request_irq(op->archdata.irqs[0], bbc_i2c_interrupt, IRQF_SHARED, "bbc_i2c", bp)) goto fail; @@ -373,7 +373,7 @@ static int __devinit bbc_i2c_probe(struct of_device *op, err = bbc_envctrl_init(bp); if (err) { - free_irq(op->irqs[0], bp); + free_irq(op->archdata.irqs[0], bp); if (bp->i2c_bussel_reg) of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1); if (bp->i2c_control_regs) @@ -392,7 +392,7 @@ static int __devexit bbc_i2c_remove(struct of_device *op) bbc_envctrl_cleanup(bp); - free_irq(op->irqs[0], bp); + free_irq(op->archdata.irqs[0], bp); if (bp->i2c_bussel_reg) of_iounmap(&op->resource[0], bp->i2c_bussel_reg, 1); @@ -425,12 +425,12 @@ static struct of_platform_driver bbc_i2c_driver = { static int __init bbc_i2c_init(void) { - return of_register_driver(&bbc_i2c_driver, &of_bus_type); + return of_register_platform_driver(&bbc_i2c_driver); } static void __exit bbc_i2c_exit(void) { - of_unregister_driver(&bbc_i2c_driver); + of_unregister_platform_driver(&bbc_i2c_driver); } module_init(bbc_i2c_init); diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c index 4ad4d2c..47db975 100644 --- a/drivers/sbus/char/display7seg.c +++ b/drivers/sbus/char/display7seg.c @@ -277,12 +277,12 @@ static struct of_platform_driver d7s_driver = { static int __init d7s_init(void) { - return of_register_driver(&d7s_driver, &of_bus_type); + return of_register_platform_driver(&d7s_driver); } static void __exit d7s_exit(void) { - of_unregister_driver(&d7s_driver); + of_unregister_platform_driver(&d7s_driver); } module_init(d7s_init); diff --git a/drivers/sbus/char/envctrl.c b/drivers/sbus/char/envctrl.c index bd0bbc6..3c27f45 100644 --- a/drivers/sbus/char/envctrl.c +++ b/drivers/sbus/char/envctrl.c @@ -1140,12 +1140,12 @@ static struct of_platform_driver envctrl_driver = { static int __init envctrl_init(void) { - return of_register_driver(&envctrl_driver, &of_bus_type); + return of_register_platform_driver(&envctrl_driver); } static void __exit envctrl_exit(void) { - of_unregister_driver(&envctrl_driver); + of_unregister_platform_driver(&envctrl_driver); } module_init(envctrl_init); diff --git a/drivers/sbus/char/flash.c b/drivers/sbus/char/flash.c index ed9494e..8bb31c5 100644 --- a/drivers/sbus/char/flash.c +++ b/drivers/sbus/char/flash.c @@ -219,12 +219,12 @@ static struct of_platform_driver flash_driver = { static int __init flash_init(void) { - return of_register_driver(&flash_driver, &of_bus_type); + return of_register_platform_driver(&flash_driver); } static void __exit flash_cleanup(void) { - of_unregister_driver(&flash_driver); + of_unregister_platform_driver(&flash_driver); } module_init(flash_init); diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c index 079da4c..41eb672 100644 --- a/drivers/sbus/char/uctrl.c +++ b/drivers/sbus/char/uctrl.c @@ -368,7 +368,7 @@ static int __devinit uctrl_probe(struct of_device *op, goto out_free; } - p->irq = op->irqs[0]; + p->irq = op->archdata.irqs[0]; err = request_irq(p->irq, uctrl_interrupt, 0, "uctrl", p); if (err) { printk(KERN_ERR "uctrl: Unable to register irq.\n"); @@ -438,12 +438,12 @@ static struct of_platform_driver uctrl_driver = { static int __init uctrl_init(void) { - return of_register_driver(&uctrl_driver, &of_bus_type); + return of_register_platform_driver(&uctrl_driver); } static void __exit uctrl_exit(void) { - of_unregister_driver(&uctrl_driver); + of_unregister_platform_driver(&uctrl_driver); } module_init(uctrl_init); diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index ca5c15c..53d7ed0 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -729,7 +729,7 @@ static int __devinit qpti_register_irq(struct qlogicpti *qpti) { struct of_device *op = qpti->op; - qpti->qhost->irq = qpti->irq = op->irqs[0]; + qpti->qhost->irq = qpti->irq = op->archdata.irqs[0]; /* We used to try various overly-clever things to * reduce the interrupt processing overhead on @@ -1302,7 +1302,7 @@ static int __devinit qpti_sbus_probe(struct of_device *op, const struct of_devic /* Sometimes Antares cards come up not completely * setup, and we get a report of a zero IRQ. */ - if (op->irqs[0] == 0) + if (op->archdata.irqs[0] == 0) return -ENODEV; host = scsi_host_alloc(tpnt, sizeof(struct qlogicpti)); @@ -1467,12 +1467,12 @@ static struct of_platform_driver qpti_sbus_driver = { static int __init qpti_init(void) { - return of_register_driver(&qpti_sbus_driver, &of_bus_type); + return of_register_platform_driver(&qpti_sbus_driver); } static void __exit qpti_exit(void) { - of_unregister_driver(&qpti_sbus_driver); + of_unregister_platform_driver(&qpti_sbus_driver); } MODULE_DESCRIPTION("QlogicISP SBUS driver"); diff --git a/drivers/scsi/sun_esp.c b/drivers/scsi/sun_esp.c index 386dd9d..89ba6fe 100644 --- a/drivers/scsi/sun_esp.c +++ b/drivers/scsi/sun_esp.c @@ -116,7 +116,7 @@ static int __devinit esp_sbus_register_irq(struct esp *esp) struct Scsi_Host *host = esp->host; struct of_device *op = esp->dev; - host->irq = op->irqs[0]; + host->irq = op->archdata.irqs[0]; return request_irq(host->irq, scsi_esp_intr, IRQF_SHARED, "ESP", esp); } @@ -644,12 +644,12 @@ static struct of_platform_driver esp_sbus_driver = { static int __init sunesp_init(void) { - return of_register_driver(&esp_sbus_driver, &of_bus_type); + return of_register_platform_driver(&esp_sbus_driver); } static void __exit sunesp_exit(void) { - of_unregister_driver(&esp_sbus_driver); + of_unregister_platform_driver(&esp_sbus_driver); } MODULE_DESCRIPTION("Sun ESP SCSI driver"); diff --git a/drivers/serial/sunhv.c b/drivers/serial/sunhv.c index 890f917..a779e22 100644 --- a/drivers/serial/sunhv.c +++ b/drivers/serial/sunhv.c @@ -525,7 +525,7 @@ static int __devinit hv_probe(struct of_device *op, const struct of_device_id *m unsigned long minor; int err; - if (op->irqs[0] == 0xffffffff) + if (op->archdata.irqs[0] == 0xffffffff) return -ENODEV; port = kzalloc(sizeof(struct uart_port), GFP_KERNEL); @@ -557,7 +557,7 @@ static int __devinit hv_probe(struct of_device *op, const struct of_device_id *m port->membase = (unsigned char __iomem *) __pa(port); - port->irq = op->irqs[0]; + port->irq = op->archdata.irqs[0]; port->dev = &op->dev; @@ -644,12 +644,12 @@ static int __init sunhv_init(void) if (tlb_type != hypervisor) return -ENODEV; - return of_register_driver(&hv_driver, &of_bus_type); + return of_register_platform_driver(&hv_driver); } static void __exit sunhv_exit(void) { - of_unregister_driver(&hv_driver); + of_unregister_platform_driver(&hv_driver); } module_init(sunhv_init); diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c index 5e81bc6..9845fb1 100644 --- a/drivers/serial/sunsab.c +++ b/drivers/serial/sunsab.c @@ -969,7 +969,7 @@ static int __devinit sunsab_init_one(struct uart_sunsab_port *up, return -ENOMEM; up->regs = (union sab82532_async_regs __iomem *) up->port.membase; - up->port.irq = op->irqs[0]; + up->port.irq = op->archdata.irqs[0]; up->port.fifosize = SAB82532_XMIT_FIFO_SIZE; up->port.iotype = UPIO_MEM; @@ -1130,12 +1130,12 @@ static int __init sunsab_init(void) } } - return of_register_driver(&sab_driver, &of_bus_type); + return of_register_platform_driver(&sab_driver); } static void __exit sunsab_exit(void) { - of_unregister_driver(&sab_driver); + of_unregister_platform_driver(&sab_driver); if (sunsab_reg.nr) { sunserial_unregister_minors(&sunsab_reg, sunsab_reg.nr); } diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c index ffbf455..3cdf748 100644 --- a/drivers/serial/sunsu.c +++ b/drivers/serial/sunsu.c @@ -1443,7 +1443,7 @@ static int __devinit su_probe(struct of_device *op, const struct of_device_id *m return -ENOMEM; } - up->port.irq = op->irqs[0]; + up->port.irq = op->archdata.irqs[0]; up->port.dev = &op->dev; @@ -1586,7 +1586,7 @@ static int __init sunsu_init(void) return err; } - err = of_register_driver(&su_driver, &of_bus_type); + err = of_register_platform_driver(&su_driver); if (err && num_uart) sunserial_unregister_minors(&sunsu_reg, num_uart); diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index f9a24f4..d1e6bcb 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1426,7 +1426,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m rp = sunzilog_chip_regs[inst]; if (zilog_irq == -1) - zilog_irq = op->irqs[0]; + zilog_irq = op->archdata.irqs[0]; up = &sunzilog_port_table[inst * 2]; @@ -1434,7 +1434,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m up[0].port.mapbase = op->resource[0].start + 0x00; up[0].port.membase = (void __iomem *) &rp->channelA; up[0].port.iotype = UPIO_MEM; - up[0].port.irq = op->irqs[0]; + up[0].port.irq = op->archdata.irqs[0]; up[0].port.uartclk = ZS_CLOCK; up[0].port.fifosize = 1; up[0].port.ops = &sunzilog_pops; @@ -1451,7 +1451,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m up[1].port.mapbase = op->resource[0].start + 0x04; up[1].port.membase = (void __iomem *) &rp->channelB; up[1].port.iotype = UPIO_MEM; - up[1].port.irq = op->irqs[0]; + up[1].port.irq = op->archdata.irqs[0]; up[1].port.uartclk = ZS_CLOCK; up[1].port.fifosize = 1; up[1].port.ops = &sunzilog_pops; @@ -1492,12 +1492,12 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m "is a %s\n", dev_name(&op->dev), (unsigned long long) up[0].port.mapbase, - op->irqs[0], sunzilog_type(&up[0].port)); + op->archdata.irqs[0], sunzilog_type(&up[0].port)); printk(KERN_INFO "%s: Mouse at MMIO 0x%llx (irq = %d) " "is a %s\n", dev_name(&op->dev), (unsigned long long) up[1].port.mapbase, - op->irqs[0], sunzilog_type(&up[1].port)); + op->archdata.irqs[0], sunzilog_type(&up[1].port)); kbm_inst++; } @@ -1576,7 +1576,7 @@ static int __init sunzilog_init(void) goto out_free_tables; } - err = of_register_driver(&zs_driver, &of_bus_type); + err = of_register_platform_driver(&zs_driver); if (err) goto out_unregister_uart; @@ -1604,7 +1604,7 @@ out: return err; out_unregister_driver: - of_unregister_driver(&zs_driver); + of_unregister_platform_driver(&zs_driver); out_unregister_uart: if (num_sunzilog) { @@ -1619,7 +1619,7 @@ out_free_tables: static void __exit sunzilog_exit(void) { - of_unregister_driver(&zs_driver); + of_unregister_platform_driver(&zs_driver); if (zilog_irq != -1) { struct uart_sunzilog_port *up = sunzilog_irq_chain; diff --git a/drivers/serial/uartlite.c b/drivers/serial/uartlite.c index 8acccd5..caf085d 100644 --- a/drivers/serial/uartlite.c +++ b/drivers/serial/uartlite.c @@ -21,6 +21,7 @@ #include <asm/io.h> #if defined(CONFIG_OF) && (defined(CONFIG_PPC32) || defined(CONFIG_MICROBLAZE)) #include <linux/of.h> +#include <linux/of_address.h> #include <linux/of_device.h> #include <linux/of_platform.h> diff --git a/drivers/spi/mpc512x_psc_spi.c b/drivers/spi/mpc512x_psc_spi.c index 2534b1e..10baac3 100644 --- a/drivers/spi/mpc512x_psc_spi.c +++ b/drivers/spi/mpc512x_psc_spi.c @@ -19,6 +19,7 @@ #include <linux/init.h> #include <linux/errno.h> #include <linux/interrupt.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/workqueue.h> #include <linux/completion.h> @@ -440,6 +441,7 @@ static int __init mpc512x_psc_spi_do_probe(struct device *dev, u32 regaddr, master->setup = mpc512x_psc_spi_setup; master->transfer = mpc512x_psc_spi_transfer; master->cleanup = mpc512x_psc_spi_cleanup; + master->dev.of_node = dev->of_node; tempp = ioremap(regaddr, size); if (!tempp) { diff --git a/drivers/spi/mpc52xx_psc_spi.c b/drivers/spi/mpc52xx_psc_spi.c index 7104cb7..66d1701 100644 --- a/drivers/spi/mpc52xx_psc_spi.c +++ b/drivers/spi/mpc52xx_psc_spi.c @@ -16,8 +16,8 @@ #include <linux/types.h> #include <linux/errno.h> #include <linux/interrupt.h> +#include <linux/of_address.h> #include <linux/of_platform.h> -#include <linux/of_spi.h> #include <linux/workqueue.h> #include <linux/completion.h> #include <linux/io.h> @@ -398,6 +398,7 @@ static int __init mpc52xx_psc_spi_do_probe(struct device *dev, u32 regaddr, master->setup = mpc52xx_psc_spi_setup; master->transfer = mpc52xx_psc_spi_transfer; master->cleanup = mpc52xx_psc_spi_cleanup; + master->dev.of_node = dev->of_node; mps->psc = ioremap(regaddr, size); if (!mps->psc) { @@ -470,7 +471,6 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op, const u32 *regaddr_p; u64 regaddr64, size64; s16 id = -1; - int rc; regaddr_p = of_get_address(op->dev.of_node, 0, &size64, NULL); if (!regaddr_p) { @@ -491,13 +491,8 @@ static int __init mpc52xx_psc_spi_of_probe(struct of_device *op, id = *psc_nump + 1; } - rc = mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64, + return mpc52xx_psc_spi_do_probe(&op->dev, (u32)regaddr64, (u32)size64, irq_of_parse_and_map(op->dev.of_node, 0), id); - if (rc == 0) - of_register_spi_devices(dev_get_drvdata(&op->dev), - op->dev.of_node); - - return rc; } static int __exit mpc52xx_psc_spi_of_remove(struct of_device *op) diff --git a/drivers/spi/mpc52xx_spi.c b/drivers/spi/mpc52xx_spi.c index b1a76bf..56136ff 100644 --- a/drivers/spi/mpc52xx_spi.c +++ b/drivers/spi/mpc52xx_spi.c @@ -18,7 +18,6 @@ #include <linux/interrupt.h> #include <linux/delay.h> #include <linux/spi/spi.h> -#include <linux/of_spi.h> #include <linux/io.h> #include <linux/of_gpio.h> #include <linux/slab.h> @@ -439,6 +438,7 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op, master->setup = mpc52xx_spi_setup; master->transfer = mpc52xx_spi_transfer; master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_LSB_FIRST; + master->dev.of_node = op->dev.of_node; dev_set_drvdata(&op->dev, master); @@ -512,7 +512,6 @@ static int __devinit mpc52xx_spi_probe(struct of_device *op, if (rc) goto err_register; - of_register_spi_devices(master, op->dev.of_node); dev_info(&ms->master->dev, "registered MPC5200 SPI bus\n"); return rc; diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c index b3a1f92..1bb1b88 100644 --- a/drivers/spi/spi.c +++ b/drivers/spi/spi.c @@ -26,6 +26,7 @@ #include <linux/slab.h> #include <linux/mod_devicetable.h> #include <linux/spi/spi.h> +#include <linux/of_spi.h> /* SPI bustype and spi_master class are registered after board init code @@ -540,6 +541,9 @@ int spi_register_master(struct spi_master *master) /* populate children from any spi device tables */ scan_boardinfo(master); status = 0; + + /* Register devices from the device tree */ + of_register_spi_devices(master); done: return status; } diff --git a/drivers/spi/spi_mpc8xxx.c b/drivers/spi/spi_mpc8xxx.c index 97ab0a8..aad9ae1 100644 --- a/drivers/spi/spi_mpc8xxx.c +++ b/drivers/spi/spi_mpc8xxx.c @@ -38,7 +38,6 @@ #include <linux/of_platform.h> #include <linux/gpio.h> #include <linux/of_gpio.h> -#include <linux/of_spi.h> #include <linux/slab.h> #include <sysdev/fsl_soc.h> @@ -1009,6 +1008,7 @@ mpc8xxx_spi_probe(struct device *dev, struct resource *mem, unsigned int irq) master->setup = mpc8xxx_spi_setup; master->transfer = mpc8xxx_spi_transfer; master->cleanup = mpc8xxx_spi_cleanup; + master->dev.of_node = dev->of_node; mpc8xxx_spi = spi_master_get_devdata(master); mpc8xxx_spi->dev = dev; @@ -1299,8 +1299,6 @@ static int __devinit of_mpc8xxx_spi_probe(struct of_device *ofdev, goto err; } - of_register_spi_devices(master, np); - return 0; err: diff --git a/drivers/spi/spi_ppc4xx.c b/drivers/spi/spi_ppc4xx.c index d53466a..0f5fa7e 100644 --- a/drivers/spi/spi_ppc4xx.c +++ b/drivers/spi/spi_ppc4xx.c @@ -407,6 +407,7 @@ static int __init spi_ppc4xx_of_probe(struct of_device *op, master = spi_alloc_master(dev, sizeof *hw); if (master == NULL) return -ENOMEM; + master->dev.of_node = np; dev_set_drvdata(dev, master); hw = spi_master_get_devdata(master); hw->master = spi_master_get(master); @@ -545,7 +546,6 @@ static int __init spi_ppc4xx_of_probe(struct of_device *op, } dev_info(dev, "driver initialized\n"); - of_register_spi_devices(master, np); return 0; diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c index 1b47363..80f2db5 100644 --- a/drivers/spi/xilinx_spi.c +++ b/drivers/spi/xilinx_spi.c @@ -390,6 +390,9 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem, master->bus_num = bus_num; master->num_chipselect = pdata->num_chipselect; +#ifdef CONFIG_OF + master->dev.of_node = dev->of_node; +#endif xspi->mem = *mem; xspi->irq = irq; diff --git a/drivers/spi/xilinx_spi_of.c b/drivers/spi/xilinx_spi_of.c index 4654805..f53d3f6 100644 --- a/drivers/spi/xilinx_spi_of.c +++ b/drivers/spi/xilinx_spi_of.c @@ -29,6 +29,7 @@ #include <linux/io.h> #include <linux/slab.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/of_device.h> #include <linux/of_spi.h> @@ -80,9 +81,6 @@ static int __devinit xilinx_spi_of_probe(struct of_device *ofdev, dev_set_drvdata(&ofdev->dev, master); - /* Add any subnodes on the SPI bus */ - of_register_spi_devices(master, ofdev->dev.of_node); - return 0; } diff --git a/drivers/usb/gadget/fsl_qe_udc.c b/drivers/usb/gadget/fsl_qe_udc.c index 82506ca..9648b75 100644 --- a/drivers/usb/gadget/fsl_qe_udc.c +++ b/drivers/usb/gadget/fsl_qe_udc.c @@ -32,6 +32,7 @@ #include <linux/interrupt.h> #include <linux/io.h> #include <linux/moduleparam.h> +#include <linux/of_address.h> #include <linux/of_platform.h> #include <linux/dma-mapping.h> #include <linux/usb/ch9.h> diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c index 09f1b9b..c779663 100644 --- a/drivers/video/bw2.c +++ b/drivers/video/bw2.c @@ -390,12 +390,12 @@ static int __init bw2_init(void) if (fb_get_options("bw2fb", NULL)) return -ENODEV; - return of_register_driver(&bw2_driver, &of_bus_type); + return of_register_platform_driver(&bw2_driver); } static void __exit bw2_exit(void) { - of_unregister_driver(&bw2_driver); + of_unregister_platform_driver(&bw2_driver); } module_init(bw2_init); diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c index e5dc224..d09fde8 100644 --- a/drivers/video/cg14.c +++ b/drivers/video/cg14.c @@ -610,12 +610,12 @@ static int __init cg14_init(void) if (fb_get_options("cg14fb", NULL)) return -ENODEV; - return of_register_driver(&cg14_driver, &of_bus_type); + return of_register_platform_driver(&cg14_driver); } static void __exit cg14_exit(void) { - of_unregister_driver(&cg14_driver); + of_unregister_platform_driver(&cg14_driver); } module_init(cg14_init); diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c index 558d73a..64aa2980 100644 --- a/drivers/video/cg3.c +++ b/drivers/video/cg3.c @@ -477,12 +477,12 @@ static int __init cg3_init(void) if (fb_get_options("cg3fb", NULL)) return -ENODEV; - return of_register_driver(&cg3_driver, &of_bus_type); + return of_register_platform_driver(&cg3_driver); } static void __exit cg3_exit(void) { - of_unregister_driver(&cg3_driver); + of_unregister_platform_driver(&cg3_driver); } module_init(cg3_init); diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c index 480d761..2389a71 100644 --- a/drivers/video/cg6.c +++ b/drivers/video/cg6.c @@ -870,12 +870,12 @@ static int __init cg6_init(void) if (fb_get_options("cg6fb", NULL)) return -ENODEV; - return of_register_driver(&cg6_driver, &of_bus_type); + return of_register_platform_driver(&cg6_driver); } static void __exit cg6_exit(void) { - of_unregister_driver(&cg6_driver); + of_unregister_platform_driver(&cg6_driver); } module_init(cg6_init); diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c index 49fcbe8..c225dcc 100644 --- a/drivers/video/controlfb.c +++ b/drivers/video/controlfb.c @@ -40,6 +40,8 @@ #include <linux/vmalloc.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/pci.h> diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c index 95c0227..f6ecfab 100644 --- a/drivers/video/ffb.c +++ b/drivers/video/ffb.c @@ -1067,12 +1067,12 @@ static int __init ffb_init(void) if (fb_get_options("ffb", NULL)) return -ENODEV; - return of_register_driver(&ffb_driver, &of_bus_type); + return of_register_platform_driver(&ffb_driver); } static void __exit ffb_exit(void) { - of_unregister_driver(&ffb_driver); + of_unregister_platform_driver(&ffb_driver); } module_init(ffb_init); diff --git a/drivers/video/leo.c b/drivers/video/leo.c index 9e8bf7d..ad67763 100644 --- a/drivers/video/leo.c +++ b/drivers/video/leo.c @@ -677,12 +677,12 @@ static int __init leo_init(void) if (fb_get_options("leofb", NULL)) return -ENODEV; - return of_register_driver(&leo_driver, &of_bus_type); + return of_register_platform_driver(&leo_driver); } static void __exit leo_exit(void) { - of_unregister_driver(&leo_driver); + of_unregister_platform_driver(&leo_driver); } module_init(leo_init); diff --git a/drivers/video/offb.c b/drivers/video/offb.c index 46dda7d..cb163a53 100644 --- a/drivers/video/offb.c +++ b/drivers/video/offb.c @@ -19,13 +19,14 @@ #include <linux/mm.h> #include <linux/vmalloc.h> #include <linux/delay.h> +#include <linux/of.h> +#include <linux/of_address.h> #include <linux/interrupt.h> #include <linux/fb.h> #include <linux/init.h> #include <linux/ioport.h> #include <linux/pci.h> #include <asm/io.h> -#include <asm/prom.h> #ifdef CONFIG_PPC64 #include <asm/pci-bridge.h> diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c index 6552751..688b055 100644 --- a/drivers/video/p9100.c +++ b/drivers/video/p9100.c @@ -367,12 +367,12 @@ static int __init p9100_init(void) if (fb_get_options("p9100fb", NULL)) return -ENODEV; - return of_register_driver(&p9100_driver, &of_bus_type); + return of_register_platform_driver(&p9100_driver); } static void __exit p9100_exit(void) { - of_unregister_driver(&p9100_driver); + of_unregister_platform_driver(&p9100_driver); } module_init(p9100_init); diff --git a/drivers/video/sunxvr1000.c b/drivers/video/sunxvr1000.c index 489b44e..7288934 100644 --- a/drivers/video/sunxvr1000.c +++ b/drivers/video/sunxvr1000.c @@ -213,12 +213,12 @@ static int __init gfb_init(void) if (fb_get_options("gfb", NULL)) return -ENODEV; - return of_register_driver(&gfb_driver, &of_bus_type); + return of_register_platform_driver(&gfb_driver); } static void __exit gfb_exit(void) { - of_unregister_driver(&gfb_driver); + of_unregister_platform_driver(&gfb_driver); } module_init(gfb_init); diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c index cc039b3..f375e0d 100644 --- a/drivers/video/tcx.c +++ b/drivers/video/tcx.c @@ -526,12 +526,12 @@ static int __init tcx_init(void) if (fb_get_options("tcxfb", NULL)) return -ENODEV; - return of_register_driver(&tcx_driver, &of_bus_type); + return of_register_platform_driver(&tcx_driver); } static void __exit tcx_exit(void) { - of_unregister_driver(&tcx_driver); + of_unregister_platform_driver(&tcx_driver); } module_init(tcx_init); diff --git a/drivers/watchdog/cpwd.c b/drivers/watchdog/cpwd.c index d62b9ce..30a2512 100644 --- a/drivers/watchdog/cpwd.c +++ b/drivers/watchdog/cpwd.c @@ -545,7 +545,7 @@ static int __devinit cpwd_probe(struct of_device *op, goto out; } - p->irq = op->irqs[0]; + p->irq = op->archdata.irqs[0]; spin_lock_init(&p->lock); @@ -688,12 +688,12 @@ static struct of_platform_driver cpwd_driver = { static int __init cpwd_init(void) { - return of_register_driver(&cpwd_driver, &of_bus_type); + return of_register_platform_driver(&cpwd_driver); } static void __exit cpwd_exit(void) { - of_unregister_driver(&cpwd_driver); + of_unregister_platform_driver(&cpwd_driver); } module_init(cpwd_init); diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c index 5dceedd..4082b4a 100644 --- a/drivers/watchdog/riowd.c +++ b/drivers/watchdog/riowd.c @@ -250,12 +250,12 @@ static struct of_platform_driver riowd_driver = { static int __init riowd_init(void) { - return of_register_driver(&riowd_driver, &of_bus_type); + return of_register_platform_driver(&riowd_driver); } static void __exit riowd_exit(void) { - of_unregister_driver(&riowd_driver); + of_unregister_platform_driver(&riowd_driver); } module_init(riowd_init); diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index 4f3d75e..c7376bf 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -31,6 +31,7 @@ static inline int gpio_is_valid(int number) struct device; struct seq_file; struct module; +struct device_node; /** * struct gpio_chip - abstract a GPIO controller @@ -106,6 +107,17 @@ struct gpio_chip { const char *const *names; unsigned can_sleep:1; unsigned exported:1; + +#if defined(CONFIG_OF_GPIO) + /* + * If CONFIG_OF is enabled, then all GPIO controllers described in the + * device tree automatically may have an OF translation + */ + struct device_node *of_node; + int of_gpio_n_cells; + int (*of_xlate)(struct gpio_chip *gc, struct device_node *np, + const void *gpio_spec, u32 *flags); +#endif }; extern const char *gpiochip_is_requested(struct gpio_chip *chip, @@ -115,6 +127,9 @@ extern int __must_check gpiochip_reserve(int start, int ngpio); /* add/remove chips */ extern int gpiochip_add(struct gpio_chip *chip); extern int __must_check gpiochip_remove(struct gpio_chip *chip); +extern struct gpio_chip *gpiochip_find(void *data, + int (*match)(struct gpio_chip *chip, + void *data)); /* Always use the library code for GPIO management calls, diff --git a/include/linux/of.h b/include/linux/of.h index a367e19..cad7cf0 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -70,6 +70,11 @@ extern struct device_node *allnodes; extern struct device_node *of_chosen; extern rwlock_t devtree_lock; +static inline bool of_node_is_root(const struct device_node *node) +{ + return node && (node->parent == NULL); +} + static inline int of_node_check_flag(struct device_node *n, unsigned long flag) { return test_bit(flag, &n->_flags); @@ -141,6 +146,11 @@ static inline unsigned long of_read_ulong(const __be32 *cell, int size) #define OF_BAD_ADDR ((u64)-1) +#ifndef of_node_to_nid +static inline int of_node_to_nid(struct device_node *np) { return -1; } +#define of_node_to_nid of_node_to_nid +#endif + extern struct device_node *of_find_node_by_name(struct device_node *from, const char *name); #define for_each_node_by_name(dn, name) \ diff --git a/include/linux/of_address.h b/include/linux/of_address.h new file mode 100644 index 0000000..8aea06f --- /dev/null +++ b/include/linux/of_address.h @@ -0,0 +1,44 @@ +#ifndef __OF_ADDRESS_H +#define __OF_ADDRESS_H +#include <linux/ioport.h> +#include <linux/of.h> + +extern u64 of_translate_address(struct device_node *np, const u32 *addr); +extern int of_address_to_resource(struct device_node *dev, int index, + struct resource *r); +extern void __iomem *of_iomap(struct device_node *device, int index); + +/* Extract an address from a device, returns the region size and + * the address space flags too. The PCI version uses a BAR number + * instead of an absolute index + */ +extern const u32 *of_get_address(struct device_node *dev, int index, + u64 *size, unsigned int *flags); + +#ifndef pci_address_to_pio +static inline unsigned long pci_address_to_pio(phys_addr_t addr) { return -1; } +#define pci_address_to_pio pci_address_to_pio +#endif + +#ifdef CONFIG_PCI +extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no, + u64 *size, unsigned int *flags); +extern int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r); +#else /* CONFIG_PCI */ +static inline int of_pci_address_to_resource(struct device_node *dev, int bar, + struct resource *r) +{ + return -ENOSYS; +} + +static inline const u32 *of_get_pci_address(struct device_node *dev, + int bar_no, u64 *size, unsigned int *flags) +{ + return NULL; +} +#endif /* CONFIG_PCI */ + + +#endif /* __OF_ADDRESS_H */ + diff --git a/include/linux/of_device.h b/include/linux/of_device.h index 11651fa..35aa44a 100644 --- a/include/linux/of_device.h +++ b/include/linux/of_device.h @@ -1,32 +1,77 @@ #ifndef _LINUX_OF_DEVICE_H #define _LINUX_OF_DEVICE_H +/* + * The of_device *was* a kind of "base class" that was a superset of + * struct device for use by devices attached to an OF node and probed + * using OF properties. However, the important bit of OF-style + * probing, namely the device node pointer, has been moved into the + * common struct device when CONFIG_OF is set to make OF-style probing + * available to all bus types. So now, just make of_device and + * platform_device equivalent so that current of_platform bus users + * can be transparently migrated over to using the platform bus. + * + * This line will go away once all references to of_device are removed + * from the kernel. + */ +#define of_device platform_device +#include <linux/platform_device.h> +#include <linux/of_platform.h> /* temporary until merge */ + #ifdef CONFIG_OF_DEVICE #include <linux/device.h> #include <linux/of.h> #include <linux/mod_devicetable.h> -#include <asm/of_device.h> - #define to_of_device(d) container_of(d, struct of_device, dev) extern const struct of_device_id *of_match_device( const struct of_device_id *matches, const struct device *dev); +extern void of_device_make_bus_id(struct device *dev); + +/** + * of_driver_match_device - Tell if a driver's of_match_table matches a device. + * @drv: the device_driver structure to test + * @dev: the device structure to match against + */ +static inline int of_driver_match_device(const struct device *dev, + const struct device_driver *drv) +{ + return of_match_device(drv->of_match_table, dev) != NULL; +} -extern struct of_device *of_dev_get(struct of_device *dev); -extern void of_dev_put(struct of_device *dev); +extern struct platform_device *of_dev_get(struct platform_device *dev); +extern void of_dev_put(struct platform_device *dev); -extern int of_device_register(struct of_device *ofdev); -extern void of_device_unregister(struct of_device *ofdev); +extern int of_device_register(struct platform_device *ofdev); +extern void of_device_unregister(struct platform_device *ofdev); extern void of_release_dev(struct device *dev); -static inline void of_device_free(struct of_device *dev) +static inline void of_device_free(struct platform_device *dev) { of_release_dev(&dev->dev); } -extern ssize_t of_device_get_modalias(struct of_device *ofdev, +extern ssize_t of_device_get_modalias(struct device *dev, char *str, ssize_t len); + +extern int of_device_uevent(struct device *dev, struct kobj_uevent_env *env); + + +#else /* CONFIG_OF_DEVICE */ + +static inline int of_driver_match_device(struct device *dev, + struct device_driver *drv) +{ + return 0; +} + +static inline int of_device_uevent(struct device *dev, + struct kobj_uevent_env *env) +{ + return -ENODEV; +} + #endif /* CONFIG_OF_DEVICE */ #endif /* _LINUX_OF_DEVICE_H */ diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h index fc2472c..6598c04 100644 --- a/include/linux/of_gpio.h +++ b/include/linux/of_gpio.h @@ -33,34 +33,17 @@ enum of_gpio_flags { #ifdef CONFIG_OF_GPIO /* - * Generic OF GPIO chip - */ -struct of_gpio_chip { - struct gpio_chip gc; - int gpio_cells; - int (*xlate)(struct of_gpio_chip *of_gc, struct device_node *np, - const void *gpio_spec, enum of_gpio_flags *flags); -}; - -static inline struct of_gpio_chip *to_of_gpio_chip(struct gpio_chip *gc) -{ - return container_of(gc, struct of_gpio_chip, gc); -} - -/* * OF GPIO chip for memory mapped banks */ struct of_mm_gpio_chip { - struct of_gpio_chip of_gc; + struct gpio_chip gc; void (*save_regs)(struct of_mm_gpio_chip *mm_gc); void __iomem *regs; }; static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc) { - struct of_gpio_chip *of_gc = to_of_gpio_chip(gc); - - return container_of(of_gc, struct of_mm_gpio_chip, of_gc); + return container_of(gc, struct of_mm_gpio_chip, gc); } extern int of_get_gpio_flags(struct device_node *np, int index, @@ -69,11 +52,12 @@ extern unsigned int of_gpio_count(struct device_node *np); extern int of_mm_gpiochip_add(struct device_node *np, struct of_mm_gpio_chip *mm_gc); -extern int of_gpio_simple_xlate(struct of_gpio_chip *of_gc, - struct device_node *np, - const void *gpio_spec, - enum of_gpio_flags *flags); -#else + +extern void of_gpiochip_add(struct gpio_chip *gc); +extern void of_gpiochip_remove(struct gpio_chip *gc); +extern struct gpio_chip *of_node_to_gpiochip(struct device_node *np); + +#else /* CONFIG_OF_GPIO */ /* Drivers may not strictly depend on the GPIO support, so let them link. */ static inline int of_get_gpio_flags(struct device_node *np, int index, @@ -87,6 +71,9 @@ static inline unsigned int of_gpio_count(struct device_node *np) return 0; } +static inline void of_gpiochip_add(struct gpio_chip *gc) { } +static inline void of_gpiochip_remove(struct gpio_chip *gc) { } + #endif /* CONFIG_OF_GPIO */ /** diff --git a/include/linux/of_i2c.h b/include/linux/of_i2c.h index 34974b5..0efe8d4 100644 --- a/include/linux/of_i2c.h +++ b/include/linux/of_i2c.h @@ -12,12 +12,19 @@ #ifndef __LINUX_OF_I2C_H #define __LINUX_OF_I2C_H +#if defined(CONFIG_OF_I2C) || defined(CONFIG_OF_I2C_MODULE) #include <linux/i2c.h> -void of_register_i2c_devices(struct i2c_adapter *adap, - struct device_node *adap_node); +extern void of_i2c_register_devices(struct i2c_adapter *adap); /* must call put_device() when done with returned i2c_client device */ -struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); +extern struct i2c_client *of_find_i2c_device_by_node(struct device_node *node); + +#else +static inline void of_i2c_register_devices(struct i2c_adapter *adap) +{ + return; +} +#endif /* CONFIG_OF_I2C */ #endif /* __LINUX_OF_I2C_H */ diff --git a/include/linux/of_irq.h b/include/linux/of_irq.h new file mode 100644 index 0000000..5929781 --- /dev/null +++ b/include/linux/of_irq.h @@ -0,0 +1,70 @@ +#ifndef __OF_IRQ_H +#define __OF_IRQ_H + +#if defined(CONFIG_OF) +struct of_irq; +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/ioport.h> +#include <linux/of.h> + +/* + * irq_of_parse_and_map() is used ba all OF enabled platforms; but SPARC + * implements it differently. However, the prototype is the same for all, + * so declare it here regardless of the CONFIG_OF_IRQ setting. + */ +extern unsigned int irq_of_parse_and_map(struct device_node *node, int index); + +#if defined(CONFIG_OF_IRQ) +/** + * of_irq - container for device_node/irq_specifier pair for an irq controller + * @controller: pointer to interrupt controller device tree node + * @size: size of interrupt specifier + * @specifier: array of cells @size long specifing the specific interrupt + * + * This structure is returned when an interrupt is mapped. The controller + * field needs to be put() after use + */ +#define OF_MAX_IRQ_SPEC 4 /* We handle specifiers of at most 4 cells */ +struct of_irq { + struct device_node *controller; /* Interrupt controller node */ + u32 size; /* Specifier size */ + u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */ +}; + +/* + * Workarounds only applied to 32bit powermac machines + */ +#define OF_IMAP_OLDWORLD_MAC 0x00000001 +#define OF_IMAP_NO_PHANDLE 0x00000002 + +#if defined(CONFIG_PPC32) && defined(CONFIG_PPC_PMAC) +extern unsigned int of_irq_workarounds; +extern struct device_node *of_irq_dflt_pic; +extern int of_irq_map_oldworld(struct device_node *device, int index, + struct of_irq *out_irq); +#else /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ +#define of_irq_workarounds (0) +#define of_irq_dflt_pic (NULL) +static inline int of_irq_map_oldworld(struct device_node *device, int index, + struct of_irq *out_irq) +{ + return -EINVAL; +} +#endif /* CONFIG_PPC32 && CONFIG_PPC_PMAC */ + + +extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec, + u32 ointsize, const u32 *addr, + struct of_irq *out_irq); +extern int of_irq_map_one(struct device_node *device, int index, + struct of_irq *out_irq); +extern unsigned int irq_create_of_mapping(struct device_node *controller, + const u32 *intspec, + unsigned int intsize); +extern int of_irq_to_resource(struct device_node *dev, int index, + struct resource *r); + +#endif /* CONFIG_OF_IRQ */ +#endif /* CONFIG_OF */ +#endif /* __OF_IRQ_H */ diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h index 1643d37..4e6d989 100644 --- a/include/linux/of_platform.h +++ b/include/linux/of_platform.h @@ -17,29 +17,24 @@ #include <linux/mod_devicetable.h> #include <linux/pm.h> #include <linux/of_device.h> - -/* - * The of_platform_bus_type is a bus type used by drivers that do not - * attach to a macio or similar bus but still use OF probing - * mechanism - */ -extern struct bus_type of_platform_bus_type; +#include <linux/platform_device.h> /* * An of_platform_driver driver is attached to a basic of_device on - * the "platform bus" (of_platform_bus_type). + * the "platform bus" (platform_bus_type). */ struct of_platform_driver { - int (*probe)(struct of_device* dev, + int (*probe)(struct platform_device* dev, const struct of_device_id *match); - int (*remove)(struct of_device* dev); + int (*remove)(struct platform_device* dev); - int (*suspend)(struct of_device* dev, pm_message_t state); - int (*resume)(struct of_device* dev); - int (*shutdown)(struct of_device* dev); + int (*suspend)(struct platform_device* dev, pm_message_t state); + int (*resume)(struct platform_device* dev); + int (*shutdown)(struct platform_device* dev); struct device_driver driver; + struct platform_driver platform_driver; }; #define to_of_platform_driver(drv) \ container_of(drv,struct of_platform_driver, driver) @@ -49,20 +44,30 @@ extern int of_register_driver(struct of_platform_driver *drv, extern void of_unregister_driver(struct of_platform_driver *drv); /* Platform drivers register/unregister */ -static inline int of_register_platform_driver(struct of_platform_driver *drv) -{ - return of_register_driver(drv, &of_platform_bus_type); -} -static inline void of_unregister_platform_driver(struct of_platform_driver *drv) -{ - of_unregister_driver(drv); -} +extern int of_register_platform_driver(struct of_platform_driver *drv); +extern void of_unregister_platform_driver(struct of_platform_driver *drv); -#include <asm/of_platform.h> - -extern struct of_device *of_find_device_by_node(struct device_node *np); +extern struct platform_device *of_device_alloc(struct device_node *np, + const char *bus_id, + struct device *parent); +extern struct platform_device *of_find_device_by_node(struct device_node *np); extern int of_bus_type_init(struct bus_type *bus, const char *name); + +#if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */ +/* Platform devices and busses creation */ +extern struct platform_device *of_platform_device_create(struct device_node *np, + const char *bus_id, + struct device *parent); + +/* pseudo "matches" value to not do deep probe */ +#define OF_NO_DEEP_PROBE ((struct of_device_id *)-1) + +extern int of_platform_bus_probe(struct device_node *root, + const struct of_device_id *matches, + struct device *parent); +#endif /* !CONFIG_SPARC */ + #endif /* CONFIG_OF_DEVICE */ #endif /* _LINUX_OF_PLATFORM_H */ diff --git a/include/linux/of_spi.h b/include/linux/of_spi.h index 5f71ee8..9e3e70f 100644 --- a/include/linux/of_spi.h +++ b/include/linux/of_spi.h @@ -9,10 +9,15 @@ #ifndef __LINUX_OF_SPI_H #define __LINUX_OF_SPI_H -#include <linux/of.h> #include <linux/spi/spi.h> -extern void of_register_spi_devices(struct spi_master *master, - struct device_node *np); +#if defined(CONFIG_OF_SPI) || defined(CONFIG_OF_SPI_MODULE) +extern void of_register_spi_devices(struct spi_master *master); +#else +static inline void of_register_spi_devices(struct spi_master *master) +{ + return; +} +#endif /* CONFIG_OF_SPI */ #endif /* __LINUX_OF_SPI */ diff --git a/sound/sparc/amd7930.c b/sound/sparc/amd7930.c index 71221fd..9eb1a4e 100644 --- a/sound/sparc/amd7930.c +++ b/sound/sparc/amd7930.c @@ -1010,7 +1010,7 @@ static int __devinit amd7930_sbus_probe(struct of_device *op, const struct of_de struct snd_amd7930 *amd; int err, irq; - irq = op->irqs[0]; + irq = op->archdata.irqs[0]; if (dev_num >= SNDRV_CARDS) return -ENODEV; @@ -1075,7 +1075,7 @@ static struct of_platform_driver amd7930_sbus_driver = { static int __init amd7930_init(void) { - return of_register_driver(&amd7930_sbus_driver, &of_bus_type); + return of_register_platform_driver(&amd7930_sbus_driver); } static void __exit amd7930_exit(void) @@ -1092,7 +1092,7 @@ static void __exit amd7930_exit(void) amd7930_list = NULL; - of_unregister_driver(&amd7930_sbus_driver); + of_unregister_platform_driver(&amd7930_sbus_driver); } module_init(amd7930_init); diff --git a/sound/sparc/cs4231.c b/sound/sparc/cs4231.c index fb4c6f2..68570ee 100644 --- a/sound/sparc/cs4231.c +++ b/sound/sparc/cs4231.c @@ -1832,14 +1832,14 @@ static int __devinit snd_cs4231_sbus_create(struct snd_card *card, chip->c_dma.request = sbus_dma_request; chip->c_dma.address = sbus_dma_addr; - if (request_irq(op->irqs[0], snd_cs4231_sbus_interrupt, + if (request_irq(op->archdata.irqs[0], snd_cs4231_sbus_interrupt, IRQF_SHARED, "cs4231", chip)) { snd_printdd("cs4231-%d: Unable to grab SBUS IRQ %d\n", - dev, op->irqs[0]); + dev, op->archdata.irqs[0]); snd_cs4231_sbus_free(chip); return -EBUSY; } - chip->irq[0] = op->irqs[0]; + chip->irq[0] = op->archdata.irqs[0]; if (snd_cs4231_probe(chip) < 0) { snd_cs4231_sbus_free(chip); @@ -1870,7 +1870,7 @@ static int __devinit cs4231_sbus_probe(struct of_device *op, const struct of_dev card->shortname, rp->flags & 0xffL, (unsigned long long)rp->start, - op->irqs[0]); + op->archdata.irqs[0]); err = snd_cs4231_sbus_create(card, op, dev); if (err < 0) { @@ -1979,12 +1979,12 @@ static int __devinit snd_cs4231_ebus_create(struct snd_card *card, chip->c_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; chip->c_dma.ebus_info.callback = snd_cs4231_ebus_capture_callback; chip->c_dma.ebus_info.client_cookie = chip; - chip->c_dma.ebus_info.irq = op->irqs[0]; + chip->c_dma.ebus_info.irq = op->archdata.irqs[0]; strcpy(chip->p_dma.ebus_info.name, "cs4231(play)"); chip->p_dma.ebus_info.flags = EBUS_DMA_FLAG_USE_EBDMA_HANDLER; chip->p_dma.ebus_info.callback = snd_cs4231_ebus_play_callback; chip->p_dma.ebus_info.client_cookie = chip; - chip->p_dma.ebus_info.irq = op->irqs[1]; + chip->p_dma.ebus_info.irq = op->archdata.irqs[1]; chip->p_dma.prepare = _ebus_dma_prepare; chip->p_dma.enable = _ebus_dma_enable; @@ -2060,7 +2060,7 @@ static int __devinit cs4231_ebus_probe(struct of_device *op, const struct of_dev sprintf(card->longname, "%s at 0x%llx, irq %d", card->shortname, op->resource[0].start, - op->irqs[0]); + op->archdata.irqs[0]); err = snd_cs4231_ebus_create(card, op, dev); if (err < 0) { @@ -2120,12 +2120,12 @@ static struct of_platform_driver cs4231_driver = { static int __init cs4231_init(void) { - return of_register_driver(&cs4231_driver, &of_bus_type); + return of_register_platform_driver(&cs4231_driver); } static void __exit cs4231_exit(void) { - of_unregister_driver(&cs4231_driver); + of_unregister_platform_driver(&cs4231_driver); } module_init(cs4231_init); diff --git a/sound/sparc/dbri.c b/sound/sparc/dbri.c index 1557bf1..c421901 100644 --- a/sound/sparc/dbri.c +++ b/sound/sparc/dbri.c @@ -2608,7 +2608,7 @@ static int __devinit dbri_probe(struct of_device *op, const struct of_device_id return -ENOENT; } - irq = op->irqs[0]; + irq = op->archdata.irqs[0]; if (irq <= 0) { printk(KERN_ERR "DBRI-%d: No IRQ.\n", dev); return -ENODEV; @@ -2699,12 +2699,12 @@ static struct of_platform_driver dbri_sbus_driver = { /* Probe for the dbri chip and then attach the driver. */ static int __init dbri_init(void) { - return of_register_driver(&dbri_sbus_driver, &of_bus_type); + return of_register_platform_driver(&dbri_sbus_driver); } static void __exit dbri_exit(void) { - of_unregister_driver(&dbri_sbus_driver); + of_unregister_platform_driver(&dbri_sbus_driver); } module_init(dbri_init); |
