Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux into sh-latest

Conflicts:
	arch/arm/mach-shmobile/clock-sh73a0.c

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

12 files changed, 66 insertions, 72 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 5629e20..47a2f1c 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -4,6 +4,7 @@ config SUPERH
 	select CLKDEV_LOOKUP
 	select HAVE_IDE if HAS_IOPORT
 	select HAVE_MEMBLOCK
+	select HAVE_MEMBLOCK_NODE_MAP
 	select HAVE_OPROFILE
 	select HAVE_GENERIC_DMA_COHERENT
 	select HAVE_ARCH_TRACEHOOK
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c
index 83cc704..b1cb271 100644
--- a/arch/sh/drivers/dma/dma-sysfs.c
+++ b/arch/sh/drivers/dma/dma-sysfs.c
@@ -12,18 +12,19 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/stat.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/err.h>
 #include <linux/string.h>
 #include <asm/dma.h>
 
-static struct sysdev_class dma_sysclass = {
+static struct bus_type dma_subsys = {
 	.name = "dma",
+	.dev_name = "dma",
 };
 
-static ssize_t dma_show_devices(struct sys_device *dev,
-				struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_devices(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	ssize_t len = 0;
 	int i;
@@ -43,29 +44,29 @@ static ssize_t dma_show_devices(struct sys_device *dev,
 	return len;
 }
 
-static SYSDEV_ATTR(devices, S_IRUGO, dma_show_devices, NULL);
+static DEVICE_ATTR(devices, S_IRUGO, dma_show_devices, NULL);
 
-static int __init dma_sysclass_init(void)
+static int __init dma_subsys_init(void)
 {
 	int ret;
 
-	ret = sysdev_class_register(&dma_sysclass);
+	ret = subsys_system_register(&dma_subsys, NULL);
 	if (unlikely(ret))
 		return ret;
 
-	return sysfs_create_file(&dma_sysclass.kset.kobj, &attr_devices.attr);
+	return device_create_file(dma_subsys.dev_root, &dev_attr_devices.attr);
 }
-postcore_initcall(dma_sysclass_init);
+postcore_initcall(dma_subsys_init);
 
-static ssize_t dma_show_dev_id(struct sys_device *dev,
-				struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_dev_id(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	struct dma_channel *channel = to_dma_channel(dev);
 	return sprintf(buf, "%s\n", channel->dev_id);
 }
 
-static ssize_t dma_store_dev_id(struct sys_device *dev,
-				struct sysdev_attribute *attr,
+static ssize_t dma_store_dev_id(struct device *dev,
+				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
 	struct dma_channel *channel = to_dma_channel(dev);
@@ -73,10 +74,10 @@ static ssize_t dma_store_dev_id(struct sys_device *dev,
 	return count;
 }
 
-static SYSDEV_ATTR(dev_id, S_IRUGO | S_IWUSR, dma_show_dev_id, dma_store_dev_id);
+static DEVICE_ATTR(dev_id, S_IRUGO | S_IWUSR, dma_show_dev_id, dma_store_dev_id);
 
-static ssize_t dma_store_config(struct sys_device *dev,
-				struct sysdev_attribute *attr,
+static ssize_t dma_store_config(struct device *dev,
+				struct device_attribute *attr,
 				const char *buf, size_t count)
 {
 	struct dma_channel *channel = to_dma_channel(dev);
@@ -88,17 +89,17 @@ static ssize_t dma_store_config(struct sys_device *dev,
 	return count;
 }
 
-static SYSDEV_ATTR(config, S_IWUSR, NULL, dma_store_config);
+static DEVICE_ATTR(config, S_IWUSR, NULL, dma_store_config);
 
-static ssize_t dma_show_mode(struct sys_device *dev,
-				struct sysdev_attribute *attr, char *buf)
+static ssize_t dma_show_mode(struct device *dev,
+				struct device_attribute *attr, char *buf)
 {
 	struct dma_channel *channel = to_dma_channel(dev);
 	return sprintf(buf, "0x%08x\n", channel->mode);
 }
 
-static ssize_t dma_store_mode(struct sys_device *dev,
-			      struct sysdev_attribute *attr,
+static ssize_t dma_store_mode(struct device *dev,
+			      struct device_attribute *attr,
 			      const char *buf, size_t count)
 {
 	struct dma_channel *channel = to_dma_channel(dev);
@@ -106,38 +107,38 @@ static ssize_t dma_store_mode(struct sys_device *dev,
 	return count;
 }
 
-static SYSDEV_ATTR(mode, S_IRUGO | S_IWUSR, dma_show_mode, dma_store_mode);
+static DEVICE_ATTR(mode, S_IRUGO | S_IWUSR, dma_show_mode, dma_store_mode);
 
 #define dma_ro_attr(field, fmt)						\
-static ssize_t dma_show_##field(struct sys_device *dev, 		\
-				struct sysdev_attribute *attr, char *buf)\
+static ssize_t dma_show_##field(struct device *dev,		\
+				struct device_attribute *attr, char *buf)\
 {									\
 	struct dma_channel *channel = to_dma_channel(dev);		\
 	return sprintf(buf, fmt, channel->field);			\
 }									\
-static SYSDEV_ATTR(field, S_IRUGO, dma_show_##field, NULL);
+static DEVICE_ATTR(field, S_IRUGO, dma_show_##field, NULL);
 
 dma_ro_attr(count, "0x%08x\n");
 dma_ro_attr(flags, "0x%08lx\n");
 
 int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 {
-	struct sys_device *dev = &chan->dev;
+	struct device *dev = &chan->dev;
 	char name[16];
 	int ret;
 
 	dev->id  = chan->vchan;
-	dev->cls = &dma_sysclass;
+	dev->bus = &dma_subsys;
 
-	ret = sysdev_register(dev);
+	ret = device_register(dev);
 	if (ret)
 		return ret;
 
-	ret |= sysdev_create_file(dev, &attr_dev_id);
-	ret |= sysdev_create_file(dev, &attr_count);
-	ret |= sysdev_create_file(dev, &attr_mode);
-	ret |= sysdev_create_file(dev, &attr_flags);
-	ret |= sysdev_create_file(dev, &attr_config);
+	ret |= device_create_file(dev, &dev_attr_dev_id);
+	ret |= device_create_file(dev, &dev_attr_count);
+	ret |= device_create_file(dev, &dev_attr_mode);
+	ret |= device_create_file(dev, &dev_attr_flags);
+	ret |= device_create_file(dev, &dev_attr_config);
 
 	if (unlikely(ret)) {
 		dev_err(&info->pdev->dev, "Failed creating attrs\n");
@@ -150,17 +151,17 @@ int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 
 void dma_remove_sysfs_files(struct dma_channel *chan, struct dma_info *info)
 {
-	struct sys_device *dev = &chan->dev;
+	struct device *dev = &chan->dev;
 	char name[16];
 
-	sysdev_remove_file(dev, &attr_dev_id);
-	sysdev_remove_file(dev, &attr_count);
-	sysdev_remove_file(dev, &attr_mode);
-	sysdev_remove_file(dev, &attr_flags);
-	sysdev_remove_file(dev, &attr_config);
+	device_remove_file(dev, &dev_attr_dev_id);
+	device_remove_file(dev, &dev_attr_count);
+	device_remove_file(dev, &dev_attr_mode);
+	device_remove_file(dev, &dev_attr_flags);
+	device_remove_file(dev, &dev_attr_config);
 
 	snprintf(name, sizeof(name), "dma%d", chan->chan);
 	sysfs_remove_link(&info->pdev->dev.kobj, name);
 
-	sysdev_unregister(dev);
+	device_unregister(dev);
 }
diff --git a/arch/sh/include/asm/dma.h b/arch/sh/include/asm/dma.h
index 07373a0..6aa2080 100644
--- a/arch/sh/include/asm/dma.h
+++ b/arch/sh/include/asm/dma.h
@@ -14,7 +14,7 @@
 #include <linux/spinlock.h>
 #include <linux/wait.h>
 #include <linux/sched.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <cpu/dma.h>
 #include <asm-generic/dma.h>
 
@@ -91,7 +91,7 @@ struct dma_channel {
 
 	wait_queue_head_t wait_queue;
 
-	struct sys_device dev;
+	struct device dev;
 	void *priv_data;
 };
 
diff --git a/arch/sh/include/asm/memblock.h b/arch/sh/include/asm/memblock.h
deleted file mode 100644
index e87063f..0000000
--- a/arch/sh/include/asm/memblock.h
+++ /dev/null
@@ -1,4 +0,0 @@
-#ifndef __ASM_SH_MEMBLOCK_H
-#define __ASM_SH_MEMBLOCK_H
-
-#endif /* __ASM_SH_MEMBLOCK_H */
diff --git a/arch/sh/include/asm/thread_info.h b/arch/sh/include/asm/thread_info.h
index ea2d508..20ee40a 100644
--- a/arch/sh/include/asm/thread_info.h
+++ b/arch/sh/include/asm/thread_info.h
@@ -122,7 +122,6 @@ extern void init_thread_xstate(void);
 #define TIF_SYSCALL_TRACEPOINT	8	/* for ftrace syscall instrumentation */
 #define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		18	/* is terminating due to OOM killer */
-#define TIF_FREEZE		19	/* Freezing for suspend */
 
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
@@ -133,7 +132,6 @@ extern void init_thread_xstate(void);
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SYSCALL_TRACEPOINT	(1 << TIF_SYSCALL_TRACEPOINT)
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
-#define _TIF_FREEZE		(1 << TIF_FREEZE)
 
 /*
  * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within 2 bytes, or we
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index f090799..a8140f0 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -13,7 +13,7 @@
 #include <linux/init.h>
 #include <linux/cpu.h>
 #include <linux/bitmap.h>
-#include <linux/sysdev.h>
+#include <linux/device.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -337,9 +337,9 @@ static struct kobj_type ktype_percpu_entry = {
 	.default_attrs	= sq_sysfs_attrs,
 };
 
-static int __devinit sq_sysdev_add(struct sys_device *sysdev)
+static int __devinit sq_dev_add(struct device *dev)
 {
-	unsigned int cpu = sysdev->id;
+	unsigned int cpu = dev->id;
 	struct kobject *kobj;
 	int error;
 
@@ -348,25 +348,27 @@ static int __devinit sq_sysdev_add(struct sys_device *sysdev)
 		return -ENOMEM;
 
 	kobj = sq_kobject[cpu];
-	error = kobject_init_and_add(kobj, &ktype_percpu_entry, &sysdev->kobj,
+	error = kobject_init_and_add(kobj, &ktype_percpu_entry, &dev->kobj,
 				     "%s", "sq");
 	if (!error)
 		kobject_uevent(kobj, KOBJ_ADD);
 	return error;
 }
 
-static int __devexit sq_sysdev_remove(struct sys_device *sysdev)
+static int __devexit sq_dev_remove(struct device *dev)
 {
-	unsigned int cpu = sysdev->id;
+	unsigned int cpu = dev->id;
 	struct kobject *kobj = sq_kobject[cpu];
 
 	kobject_put(kobj);
 	return 0;
 }
 
-static struct sysdev_driver sq_sysdev_driver = {
-	.add		= sq_sysdev_add,
-	.remove		= __devexit_p(sq_sysdev_remove),
+static struct subsys_interface sq_interface = {
+	.name		= "sq"
+	.subsys		= &cpu_subsys,
+	.add_dev	= sq_dev_add,
+	.remove_dev	= __devexit_p(sq_dev_remove),
 };
 
 static int __init sq_api_init(void)
@@ -386,7 +388,7 @@ static int __init sq_api_init(void)
 	if (unlikely(!sq_bitmap))
 		goto out;
 
-	ret = sysdev_driver_register(&cpu_sysdev_class, &sq_sysdev_driver);
+	ret = subsys_interface_register(&sq_interface);
 	if (unlikely(ret != 0))
 		goto out;
 
@@ -401,7 +403,7 @@ out:
 
 static void __exit sq_api_exit(void)
 {
-	sysdev_driver_unregister(&cpu_sysdev_class, &sq_sysdev_driver);
+	subsys_interface_unregister(&sq_interface);
 	kfree(sq_bitmap);
 	kmem_cache_destroy(sq_cache);
 }
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c
index db4ecd7..406508d 100644
--- a/arch/sh/kernel/idle.c
+++ b/arch/sh/kernel/idle.c
@@ -89,7 +89,8 @@ void cpu_idle(void)
 
 	/* endless idle loop with no priority at all */
 	while (1) {
-		tick_nohz_stop_sched_tick(1);
+		tick_nohz_idle_enter();
+		rcu_idle_enter();
 
 		while (!need_resched()) {
 			check_pgt_cache();
@@ -111,7 +112,8 @@ void cpu_idle(void)
 			start_critical_timings();
 		}
 
-		tick_nohz_restart_sched_tick();
+		rcu_idle_exit();
+		tick_nohz_idle_exit();
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
diff --git a/arch/sh/kernel/machine_kexec.c b/arch/sh/kernel/machine_kexec.c
index c5a33f0..9fea49f 100644
--- a/arch/sh/kernel/machine_kexec.c
+++ b/arch/sh/kernel/machine_kexec.c
@@ -157,9 +157,6 @@ void __init reserve_crashkernel(void)
 	unsigned long long crash_size, crash_base;
 	int ret;
 
-	/* this is necessary because of memblock_phys_mem_size() */
-	memblock_analyze();
-
 	ret = parse_crashkernel(boot_command_line, memblock_phys_mem_size(),
 			&crash_size, &crash_base);
 	if (ret == 0 && crash_size > 0) {
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 1a0e946..7b57bf1 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -230,7 +230,8 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
 	pmb_bolt_mapping((unsigned long)__va(start), start, end - start,
 			 PAGE_KERNEL);
 
-	add_active_range(nid, start_pfn, end_pfn);
+	memblock_set_node(PFN_PHYS(start_pfn),
+			  PFN_PHYS(end_pfn - start_pfn), nid);
 }
 
 void __init __weak plat_early_device_setup(void)
diff --git a/arch/sh/mm/Kconfig b/arch/sh/mm/Kconfig
index c3e61b3..cb8f992 100644
--- a/arch/sh/mm/Kconfig
+++ b/arch/sh/mm/Kconfig
@@ -143,9 +143,6 @@ config MAX_ACTIVE_REGIONS
 		       CPU_SUBTYPE_SH7785)
 	default "1"
 
-config ARCH_POPULATES_NODE_MAP
-	def_bool y
-
 config ARCH_SELECT_MEMORY_MODEL
 	def_bool y
 
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 939ca0f..82cc576 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -324,7 +324,6 @@ void __init paging_init(void)
 	unsigned long vaddr, end;
 	int nid;
 
-	memblock_init();
 	sh_mv.mv_mem_init();
 
 	early_reserve_mem();
@@ -337,7 +336,7 @@ void __init paging_init(void)
 		sh_mv.mv_mem_reserve();
 
 	memblock_enforce_memory_limit(memory_limit);
-	memblock_analyze();
+	memblock_allow_resize();
 
 	memblock_dump_all();
 
diff --git a/arch/sh/oprofile/common.c b/arch/sh/oprofile/common.c
index b4c2d2b..e4dd5d5 100644
--- a/arch/sh/oprofile/common.c
+++ b/arch/sh/oprofile/common.c
@@ -49,7 +49,7 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	return oprofile_perf_init(ops);
 }
 
-void __exit oprofile_arch_exit(void)
+void oprofile_arch_exit(void)
 {
 	oprofile_perf_exit();
 	kfree(sh_pmu_op_name);
@@ -60,5 +60,5 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
 	ops->backtrace = sh_backtrace;
 	return -ENODEV;
 }
-void __exit oprofile_arch_exit(void) {}
+void oprofile_arch_exit(void) {}
 #endif /* CONFIG_HW_PERF_EVENTS */