[ARM] 1/4 Move oprofile driver model code (b5893c56) · Commits · e / devices / android_kernel_xiaomi_markw

arch/arm/oprofile/common.c

+47 −52

Original line number	Diff line number	Diff line
		@@ -10,8 +10,8 @@
		#include <linux/init.h>
		#include <linux/oprofile.h>
		#include <linux/errno.h>
		#include <asm/semaphore.h>
		#include <linux/sysdev.h>
		#include <asm/semaphore.h>

		#include "op_counter.h"
		#include "op_arm_model.h"
		@@ -20,57 +20,6 @@ static struct op_arm_model_spec *pmu_model;
		static int pmu_enabled;
		static struct semaphore pmu_sem;

		static int pmu_start(void);
		static int pmu_setup(void);
		static void pmu_stop(void);
		static int pmu_create_files(struct super_block , struct dentry );

		#ifdef CONFIG_PM
		static int pmu_suspend(struct sys_device *dev, pm_message_t state)
		{
		if (pmu_enabled)
		pmu_stop();
		return 0;
		}

		static int pmu_resume(struct sys_device *dev)
		{
		if (pmu_enabled)
		pmu_start();
		return 0;
		}

		static struct sysdev_class oprofile_sysclass = {
		set_kset_name("oprofile"),
		.resume = pmu_resume,
		.suspend = pmu_suspend,
		};

		static struct sys_device device_oprofile = {
		.id = 0,
		.cls = &oprofile_sysclass,
		};

		static int __init init_driverfs(void)
		{
		int ret;

		if (!(ret = sysdev_class_register(&oprofile_sysclass)))
		ret = sysdev_register(&device_oprofile);

		return ret;
		}

		static void exit_driverfs(void)
		{
		sysdev_unregister(&device_oprofile);
		sysdev_class_unregister(&oprofile_sysclass);
		}
		#else
		#define init_driverfs() do { } while (0)
		#define exit_driverfs() do { } while (0)
		#endif /* CONFIG_PM */

		struct op_counter_config counter_config[OP_MAX_COUNTER];

		static int pmu_create_files(struct super_block sb, struct dentry root)
		@@ -126,6 +75,52 @@ static void pmu_stop(void)
		up(&pmu_sem);
		}

		#ifdef CONFIG_PM
		static int pmu_suspend(struct sys_device *dev, pm_message_t state)
		{
		if (pmu_enabled)
		pmu_stop();
		return 0;
		}

		static int pmu_resume(struct sys_device *dev)
		{
		if (pmu_enabled)
		pmu_start();
		return 0;
		}

		static struct sysdev_class oprofile_sysclass = {
		set_kset_name("oprofile"),
		.resume = pmu_resume,
		.suspend = pmu_suspend,
		};

		static struct sys_device device_oprofile = {
		.id = 0,
		.cls = &oprofile_sysclass,
		};

		static int __init init_driverfs(void)
		{
		int ret;

		if (!(ret = sysdev_class_register(&oprofile_sysclass)))
		ret = sysdev_register(&device_oprofile);

		return ret;
		}

		static void exit_driverfs(void)
		{
		sysdev_unregister(&device_oprofile);
		sysdev_class_unregister(&oprofile_sysclass);
		}
		#else
		#define init_driverfs() do { } while (0)
		#define exit_driverfs() do { } while (0)
		#endif /* CONFIG_PM */

		int __init pmu_init(struct oprofile_operations ops, struct op_arm_model_spec spec)
		{
		init_MUTEX(&pmu_sem);