There are no users will prepare to power off system by 'pm_power_off_prepare' hook, thus we can remove it now.
Signed-off-by: Baolin Wang <[email protected]> --- include/linux/pm.h | 1 - kernel/reboot.c | 8 -------- 2 files changed, 9 deletions(-) diff --git a/include/linux/pm.h b/include/linux/pm.h index e723b78..cff7668 100644 --- a/include/linux/pm.h +++ b/include/linux/pm.h @@ -32,7 +32,6 @@ * Callbacks for platform drivers to implement. */ extern void (*pm_power_off)(void); -extern void (*pm_power_off_prepare)(void); struct device; /* we have a circular dep with device.h */ #ifdef CONFIG_VT_CONSOLE_SLEEP diff --git a/kernel/reboot.c b/kernel/reboot.c index e4ced88..6667b63 100644 --- a/kernel/reboot.c +++ b/kernel/reboot.c @@ -44,12 +44,6 @@ enum reboot_type reboot_type = BOOT_ACPI; int reboot_force; -/* - * If set, this is used for preparing the system to power off. - */ - -void (*pm_power_off_prepare)(void); - /** * emergency_restart - reboot the system * @@ -284,8 +278,6 @@ void kernel_halt(void) void kernel_power_off(void) { kernel_shutdown_prepare(SYSTEM_POWER_OFF); - if (pm_power_off_prepare) - pm_power_off_prepare(); migrate_to_reboot_cpu(); syscore_shutdown(); pr_emerg("Power down\n"); -- 1.7.9.5
