1 files changed, 0 insertions, 337 deletions
diff --git a/ANDROID_3.4.5/drivers/base/cpu.c b/ANDROID_3.4.5/drivers/base/cpu.c
deleted file mode 100644
index adf937bf..00000000
--- a/ANDROID_3.4.5/drivers/base/cpu.c
+++ /dev/null
@@ -1,337 +0,0 @@
-/*
- * CPU subsystem support
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/cpu.h>
-#include <linux/topology.h>
-#include <linux/device.h>
-#include <linux/node.h>
-#include <linux/gfp.h>
-#include <linux/slab.h>
-#include <linux/percpu.h>
-
-#include "base.h"
-
-struct bus_type cpu_subsys = {
-	.name = "cpu",
-	.dev_name = "cpu",
-};
-EXPORT_SYMBOL_GPL(cpu_subsys);
-
-static DEFINE_PER_CPU(struct device *, cpu_sys_devices);
-
-#ifdef CONFIG_HOTPLUG_CPU
-static ssize_t show_online(struct device *dev,
-			   struct device_attribute *attr,
-			   char *buf)
-{
-	struct cpu *cpu = container_of(dev, struct cpu, dev);
-
-	return sprintf(buf, "%u\n", !!cpu_online(cpu->dev.id));
-}
-
-static ssize_t __ref store_online(struct device *dev,
-				  struct device_attribute *attr,
-				  const char *buf, size_t count)
-{
-	struct cpu *cpu = container_of(dev, struct cpu, dev);
-	ssize_t ret;
-
-	cpu_hotplug_driver_lock();
-	switch (buf[0]) {
-	case '0':
-		ret = cpu_down(cpu->dev.id);
-		if (!ret)
-			kobject_uevent(&dev->kobj, KOBJ_OFFLINE);
-		break;
-	case '1':
-		ret = cpu_up(cpu->dev.id);
-		if (!ret)
-			kobject_uevent(&dev->kobj, KOBJ_ONLINE);
-		break;
-	default:
-		ret = -EINVAL;
-	}
-	cpu_hotplug_driver_unlock();
-
-	if (ret >= 0)
-		ret = count;
-	return ret;
-}
-static DEVICE_ATTR(online, 0644, show_online, store_online);
-
-static void __cpuinit register_cpu_control(struct cpu *cpu)
-{
-	device_create_file(&cpu->dev, &dev_attr_online);
-}
-void unregister_cpu(struct cpu *cpu)
-{
-	int logical_cpu = cpu->dev.id;
-
-	unregister_cpu_under_node(logical_cpu, cpu_to_node(logical_cpu));
-
-	device_remove_file(&cpu->dev, &dev_attr_online);
-
-	device_unregister(&cpu->dev);
-	per_cpu(cpu_sys_devices, logical_cpu) = NULL;
-	return;
-}
-
-#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-static ssize_t cpu_probe_store(struct device *dev,
-			       struct device_attribute *attr,
-			       const char *buf,
-			       size_t count)
-{
-	return arch_cpu_probe(buf, count);
-}
-
-static ssize_t cpu_release_store(struct device *dev,
-				 struct device_attribute *attr,
-				 const char *buf,
-				 size_t count)
-{
-	return arch_cpu_release(buf, count);
-}
-
-static DEVICE_ATTR(probe, S_IWUSR, NULL, cpu_probe_store);
-static DEVICE_ATTR(release, S_IWUSR, NULL, cpu_release_store);
-#endif /* CONFIG_ARCH_CPU_PROBE_RELEASE */
-
-#else /* ... !CONFIG_HOTPLUG_CPU */
-static inline void register_cpu_control(struct cpu *cpu)
-{
-}
-#endif /* CONFIG_HOTPLUG_CPU */
-
-#ifdef CONFIG_KEXEC
-#include <linux/kexec.h>
-
-static ssize_t show_crash_notes(struct device *dev, struct device_attribute *attr,
-				char *buf)
-{
-	struct cpu *cpu = container_of(dev, struct cpu, dev);
-	ssize_t rc;
-	unsigned long long addr;
-	int cpunum;
-
-	cpunum = cpu->dev.id;
-
-	/*
-	 * Might be reading other cpu's data based on which cpu read thread
-	 * has been scheduled. But cpu data (memory) is allocated once during
-	 * boot up and this data does not change there after. Hence this
-	 * operation should be safe. No locking required.
-	 */
-	addr = per_cpu_ptr_to_phys(per_cpu_ptr(crash_notes, cpunum));
-	rc = sprintf(buf, "%Lx\n", addr);
-	return rc;
-}
-static DEVICE_ATTR(crash_notes, 0400, show_crash_notes, NULL);
-#endif
-
-/*
- * Print cpu online, possible, present, and system maps
- */
-
-struct cpu_attr {
-	struct device_attribute attr;
-	const struct cpumask *const * const map;
-};
-
-static ssize_t show_cpus_attr(struct device *dev,
-			      struct device_attribute *attr,
-			      char *buf)
-{
-	struct cpu_attr *ca = container_of(attr, struct cpu_attr, attr);
-	int n = cpulist_scnprintf(buf, PAGE_SIZE-2, *(ca->map));
-
-	buf[n++] = '\n';
-	buf[n] = '\0';
-	return n;
-}
-
-#define _CPU_ATTR(name, map) \
-	{ __ATTR(name, 0444, show_cpus_attr, NULL), map }
-
-/* Keep in sync with cpu_subsys_attrs */
-static struct cpu_attr cpu_attrs[] = {
-	_CPU_ATTR(online, &cpu_online_mask),
-	_CPU_ATTR(possible, &cpu_possible_mask),
-	_CPU_ATTR(present, &cpu_present_mask),
-};
-
-/*
- * Print values for NR_CPUS and offlined cpus
- */
-static ssize_t print_cpus_kernel_max(struct device *dev,
-				     struct device_attribute *attr, char *buf)
-{
-	int n = snprintf(buf, PAGE_SIZE-2, "%d\n", NR_CPUS - 1);
-	return n;
-}
-static DEVICE_ATTR(kernel_max, 0444, print_cpus_kernel_max, NULL);
-
-/* arch-optional setting to enable display of offline cpus >= nr_cpu_ids */
-unsigned int total_cpus;
-
-static ssize_t print_cpus_offline(struct device *dev,
-				  struct device_attribute *attr, char *buf)
-{
-	int n = 0, len = PAGE_SIZE-2;
-	cpumask_var_t offline;
-
-	/* display offline cpus < nr_cpu_ids */
-	if (!alloc_cpumask_var(&offline, GFP_KERNEL))
-		return -ENOMEM;
-	cpumask_andnot(offline, cpu_possible_mask, cpu_online_mask);
-	n = cpulist_scnprintf(buf, len, offline);
-	free_cpumask_var(offline);
-
-	/* display offline cpus >= nr_cpu_ids */
-	if (total_cpus && nr_cpu_ids < total_cpus) {
-		if (n && n < len)
-			buf[n++] = ',';
-
-		if (nr_cpu_ids == total_cpus-1)
-			n += snprintf(&buf[n], len - n, "%d", nr_cpu_ids);
-		else
-			n += snprintf(&buf[n], len - n, "%d-%d",
-						      nr_cpu_ids, total_cpus-1);
-	}
-
-	n += snprintf(&buf[n], len - n, "\n");
-	return n;
-}
-static DEVICE_ATTR(offline, 0444, print_cpus_offline, NULL);
-
-static void cpu_device_release(struct device *dev)
-{
-	/*
-	 * This is an empty function to prevent the driver core from spitting a
-	 * warning at us.  Yes, I know this is directly opposite of what the
-	 * documentation for the driver core and kobjects say, and the author
-	 * of this code has already been publically ridiculed for doing
-	 * something as foolish as this.  However, at this point in time, it is
-	 * the only way to handle the issue of statically allocated cpu
-	 * devices.  The different architectures will have their cpu device
-	 * code reworked to properly handle this in the near future, so this
-	 * function will then be changed to correctly free up the memory held
-	 * by the cpu device.
-	 *
-	 * Never copy this way of doing things, or you too will be made fun of
-	 * on the linux-kerenl list, you have been warned.
-	 */
-}
-
-/*
- * register_cpu - Setup a sysfs device for a CPU.
- * @cpu - cpu->hotpluggable field set to 1 will generate a control file in
- *	  sysfs for this CPU.
- * @num - CPU number to use when creating the device.
- *
- * Initialize and register the CPU device.
- */
-int __cpuinit register_cpu(struct cpu *cpu, int num)
-{
-	int error;
-
-	cpu->node_id = cpu_to_node(num);
-	memset(&cpu->dev, 0x00, sizeof(struct device));
-	cpu->dev.id = num;
-	cpu->dev.bus = &cpu_subsys;
-	cpu->dev.release = cpu_device_release;
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
-	cpu->dev.bus->uevent = arch_cpu_uevent;
-#endif
-	error = device_register(&cpu->dev);
-	if (!error && cpu->hotpluggable)
-		register_cpu_control(cpu);
-	if (!error)
-		per_cpu(cpu_sys_devices, num) = &cpu->dev;
-	if (!error)
-		register_cpu_under_node(num, cpu_to_node(num));
-
-#ifdef CONFIG_KEXEC
-	if (!error)
-		error = device_create_file(&cpu->dev, &dev_attr_crash_notes);
-#endif
-	return error;
-}
-
-struct device *get_cpu_device(unsigned cpu)
-{
-	if (cpu < nr_cpu_ids && cpu_possible(cpu))
-		return per_cpu(cpu_sys_devices, cpu);
-	else
-		return NULL;
-}
-EXPORT_SYMBOL_GPL(get_cpu_device);
-
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
-static DEVICE_ATTR(modalias, 0444, arch_print_cpu_modalias, NULL);
-#endif
-
-static struct attribute *cpu_root_attrs[] = {
-#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
-	&dev_attr_probe.attr,
-	&dev_attr_release.attr,
-#endif
-	&cpu_attrs[0].attr.attr,
-	&cpu_attrs[1].attr.attr,
-	&cpu_attrs[2].attr.attr,
-	&dev_attr_kernel_max.attr,
-	&dev_attr_offline.attr,
-#ifdef CONFIG_ARCH_HAS_CPU_AUTOPROBE
-	&dev_attr_modalias.attr,
-#endif
-	NULL
-};
-
-static struct attribute_group cpu_root_attr_group = {
-	.attrs = cpu_root_attrs,
-};
-
-static const struct attribute_group *cpu_root_attr_groups[] = {
-	&cpu_root_attr_group,
-	NULL,
-};
-
-bool cpu_is_hotpluggable(unsigned cpu)
-{
-	struct device *dev = get_cpu_device(cpu);
-	return dev && container_of(dev, struct cpu, dev)->hotpluggable;
-}
-EXPORT_SYMBOL_GPL(cpu_is_hotpluggable);
-
-#ifdef CONFIG_GENERIC_CPU_DEVICES
-static DEFINE_PER_CPU(struct cpu, cpu_devices);
-#endif
-
-static void __init cpu_dev_register_generic(void)
-{
-#ifdef CONFIG_GENERIC_CPU_DEVICES
-	int i;
-
-	for_each_possible_cpu(i) {
-		if (register_cpu(&per_cpu(cpu_devices, i), i))
-			panic("Failed to register CPU device");
-	}
-#endif
-}
-
-void __init cpu_dev_init(void)
-{
-	if (subsys_system_register(&cpu_subsys, cpu_root_attr_groups))
-		panic("Failed to register CPU subsystem");
-
-	cpu_dev_register_generic();
-
-#if defined(CONFIG_SCHED_MC) || defined(CONFIG_SCHED_SMT)
-	sched_create_sysfs_power_savings_entries(cpu_subsys.dev_root);
-#endif
-}