diff options
Diffstat (limited to 'arch/arm64/kernel/hw_breakpoint.c')
| -rw-r--r-- | arch/arm64/kernel/hw_breakpoint.c | 28 |
1 files changed, 5 insertions, 23 deletions
diff --git a/arch/arm64/kernel/hw_breakpoint.c b/arch/arm64/kernel/hw_breakpoint.c index bcaaac9e14d6..f17f581116fc 100644 --- a/arch/arm64/kernel/hw_breakpoint.c +++ b/arch/arm64/kernel/hw_breakpoint.c @@ -894,29 +894,10 @@ static struct notifier_block hw_breakpoint_reset_nb = { .notifier_call = hw_breakpoint_reset_notify, }; -#ifdef CONFIG_CPU_PM -static int hw_breakpoint_cpu_pm_notify(struct notifier_block *self, - unsigned long action, - void *v) -{ - if (action == CPU_PM_EXIT) { - hw_breakpoint_reset(NULL); - return NOTIFY_OK; - } - - return NOTIFY_DONE; -} - -static struct notifier_block hw_breakpoint_cpu_pm_nb = { - .notifier_call = hw_breakpoint_cpu_pm_notify, -}; - -static void __init hw_breakpoint_pm_init(void) -{ - cpu_pm_register_notifier(&hw_breakpoint_cpu_pm_nb); -} +#ifdef CONFIG_ARM64_CPU_SUSPEND +extern void cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *)); #else -static inline void hw_breakpoint_pm_init(void) +static inline void cpu_suspend_set_dbg_restorer(void (*hw_bp_restore)(void *)) { } #endif @@ -947,7 +928,8 @@ static int __init arch_hw_breakpoint_init(void) /* Register hotplug notifier. */ register_cpu_notifier(&hw_breakpoint_reset_nb); - hw_breakpoint_pm_init(); + /* Register cpu_suspend hw breakpoint restore hook */ + cpu_suspend_set_dbg_restorer(hw_breakpoint_reset); return 0; } |