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authorDavid S. Miller <davem@davemloft.net>2008-04-26 21:07:35 -0700
committerDavid S. Miller <davem@davemloft.net>2008-04-26 21:41:23 -0700
commit5da496e4b90626784a82803682e186a8e67222a0 (patch)
tree743c596710e0f9a7eed25c495296e13755ce0813 /arch/sparc64
parent9c1a5077fdca99356c891af37931e537dea874f5 (diff)
downloadop-kernel-dev-5da496e4b90626784a82803682e186a8e67222a0.zip
op-kernel-dev-5da496e4b90626784a82803682e186a8e67222a0.tar.gz
sparc64: Kill unused local ISA bus layer.
No more drivers use this, and therefore it can die. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/kernel/Makefile2
-rw-r--r--arch/sparc64/kernel/isa.c191
-rw-r--r--arch/sparc64/kernel/pci.c2
-rw-r--r--arch/sparc64/kernel/sparc64_ksyms.c2
4 files changed, 1 insertions, 196 deletions
diff --git a/arch/sparc64/kernel/Makefile b/arch/sparc64/kernel/Makefile
index 0295582..2bd0340 100644
--- a/arch/sparc64/kernel/Makefile
+++ b/arch/sparc64/kernel/Makefile
@@ -15,7 +15,7 @@ obj-y := process.o setup.o cpu.o idprom.o \
visemul.o prom.o of_device.o hvapi.o sstate.o mdesc.o
obj-$(CONFIG_STACKTRACE) += stacktrace.o
-obj-$(CONFIG_PCI) += ebus.o isa.o pci_common.o \
+obj-$(CONFIG_PCI) += ebus.o pci_common.o \
pci_psycho.o pci_sabre.o pci_schizo.o \
pci_sun4v.o pci_sun4v_asm.o pci_fire.o
obj-$(CONFIG_PCI_MSI) += pci_msi.o
diff --git a/arch/sparc64/kernel/isa.c b/arch/sparc64/kernel/isa.c
deleted file mode 100644
index a2af5ed..0000000
--- a/arch/sparc64/kernel/isa.c
+++ /dev/null
@@ -1,191 +0,0 @@
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <asm/oplib.h>
-#include <asm/prom.h>
-#include <asm/of_device.h>
-#include <asm/isa.h>
-
-struct sparc_isa_bridge *isa_chain;
-
-static void __init fatal_err(const char *reason)
-{
- prom_printf("ISA: fatal error, %s.\n", reason);
-}
-
-static void __init report_dev(struct sparc_isa_device *isa_dev, int child)
-{
- if (child)
- printk(" (%s)", isa_dev->prom_node->name);
- else
- printk(" [%s", isa_dev->prom_node->name);
-}
-
-static void __init isa_dev_get_resource(struct sparc_isa_device *isa_dev)
-{
- struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
- memcpy(&isa_dev->resource, &op->resource[0], sizeof(struct resource));
-}
-
-static void __init isa_dev_get_irq(struct sparc_isa_device *isa_dev)
-{
- struct of_device *op = of_find_device_by_node(isa_dev->prom_node);
-
- if (!op || !op->num_irqs) {
- isa_dev->irq = PCI_IRQ_NONE;
- } else {
- isa_dev->irq = op->irqs[0];
- }
-}
-
-static void __init isa_fill_children(struct sparc_isa_device *parent_isa_dev)
-{
- struct device_node *dp = parent_isa_dev->prom_node->child;
-
- if (!dp)
- return;
-
- printk(" ->");
- while (dp) {
- struct sparc_isa_device *isa_dev;
-
- isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
- if (!isa_dev) {
- fatal_err("cannot allocate child isa_dev");
- prom_halt();
- }
-
- /* Link it in to parent. */
- isa_dev->next = parent_isa_dev->child;
- parent_isa_dev->child = isa_dev;
-
- isa_dev->bus = parent_isa_dev->bus;
- isa_dev->prom_node = dp;
-
- isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev);
-
- report_dev(isa_dev, 1);
-
- dp = dp->sibling;
- }
-}
-
-static void __init isa_fill_devices(struct sparc_isa_bridge *isa_br)
-{
- struct device_node *dp = isa_br->prom_node->child;
-
- while (dp) {
- struct sparc_isa_device *isa_dev;
- struct dev_archdata *sd;
-
- isa_dev = kzalloc(sizeof(*isa_dev), GFP_KERNEL);
- if (!isa_dev) {
- printk(KERN_DEBUG "ISA: cannot allocate isa_dev");
- return;
- }
-
- sd = &isa_dev->ofdev.dev.archdata;
- sd->prom_node = dp;
- sd->op = &isa_dev->ofdev;
- sd->iommu = isa_br->ofdev.dev.parent->archdata.iommu;
- sd->stc = isa_br->ofdev.dev.parent->archdata.stc;
- sd->numa_node = isa_br->ofdev.dev.parent->archdata.numa_node;
-
- isa_dev->ofdev.node = dp;
- isa_dev->ofdev.dev.parent = &isa_br->ofdev.dev;
- isa_dev->ofdev.dev.bus = &isa_bus_type;
- sprintf(isa_dev->ofdev.dev.bus_id, "isa[%08x]", dp->node);
-
- /* Register with core */
- if (of_device_register(&isa_dev->ofdev) != 0) {
- printk(KERN_DEBUG "isa: device registration error for %s!\n",
- dp->path_component_name);
- kfree(isa_dev);
- goto next_sibling;
- }
-
- /* Link it in. */
- isa_dev->next = NULL;
- if (isa_br->devices == NULL) {
- isa_br->devices = isa_dev;
- } else {
- struct sparc_isa_device *tmp = isa_br->devices;
-
- while (tmp->next)
- tmp = tmp->next;
-
- tmp->next = isa_dev;
- }
-
- isa_dev->bus = isa_br;
- isa_dev->prom_node = dp;
-
- isa_dev_get_resource(isa_dev);
- isa_dev_get_irq(isa_dev);
-
- report_dev(isa_dev, 0);
-
- isa_fill_children(isa_dev);
-
- printk("]");
-
- next_sibling:
- dp = dp->sibling;
- }
-}
-
-void __init isa_init(void)
-{
- struct pci_dev *pdev;
- unsigned short vendor, device;
- int index = 0;
-
- vendor = PCI_VENDOR_ID_AL;
- device = PCI_DEVICE_ID_AL_M1533;
-
- pdev = NULL;
- while ((pdev = pci_get_device(vendor, device, pdev)) != NULL) {
- struct sparc_isa_bridge *isa_br;
- struct device_node *dp;
-
- dp = pci_device_to_OF_node(pdev);
-
- isa_br = kzalloc(sizeof(*isa_br), GFP_KERNEL);
- if (!isa_br) {
- printk(KERN_DEBUG "isa: cannot allocate sparc_isa_bridge");
- pci_dev_put(pdev);
- return;
- }
-
- isa_br->ofdev.node = dp;
- isa_br->ofdev.dev.parent = &pdev->dev;
- isa_br->ofdev.dev.bus = &isa_bus_type;
- sprintf(isa_br->ofdev.dev.bus_id, "isa%d", index);
-
- /* Register with core */
- if (of_device_register(&isa_br->ofdev) != 0) {
- printk(KERN_DEBUG "isa: device registration error for %s!\n",
- dp->path_component_name);
- kfree(isa_br);
- pci_dev_put(pdev);
- return;
- }
-
- /* Link it in. */
- isa_br->next = isa_chain;
- isa_chain = isa_br;
-
- isa_br->self = pdev;
- isa_br->index = index++;
- isa_br->prom_node = dp;
-
- printk("isa%d:", isa_br->index);
-
- isa_fill_devices(isa_br);
-
- printk("\n");
- }
-}
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 49f9127..dbf2fc2 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -23,7 +23,6 @@
#include <asm/pgtable.h>
#include <asm/irq.h>
#include <asm/ebus.h>
-#include <asm/isa.h>
#include <asm/prom.h>
#include <asm/apb.h>
@@ -885,7 +884,6 @@ static int __init pcibios_init(void)
pci_scan_each_controller_bus();
- isa_init();
ebus_init();
power_init();
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 6633659..8ac0b99 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -49,7 +49,6 @@
#endif
#ifdef CONFIG_PCI
#include <asm/ebus.h>
-#include <asm/isa.h>
#endif
#include <asm/ns87303.h>
#include <asm/timer.h>
@@ -187,7 +186,6 @@ EXPORT_SYMBOL(insw);
EXPORT_SYMBOL(insl);
#ifdef CONFIG_PCI
EXPORT_SYMBOL(ebus_chain);
-EXPORT_SYMBOL(isa_chain);
EXPORT_SYMBOL(pci_alloc_consistent);
EXPORT_SYMBOL(pci_free_consistent);
EXPORT_SYMBOL(pci_map_single);
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