diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/oprofile/common.c | 99 |
1 files changed, 47 insertions, 52 deletions
diff --git a/arch/arm/oprofile/common.c b/arch/arm/oprofile/common.c index e57dde88289..5b1d752edbc 100644 --- a/arch/arm/oprofile/common.c +++ b/arch/arm/oprofile/common.c @@ -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); |