diff options
| -rw-r--r-- | arch/arm/mach-tegra/dvfs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/dvfs.c b/arch/arm/mach-tegra/dvfs.c index f53b20151cdb..f189710c15bb 100644 --- a/arch/arm/mach-tegra/dvfs.c +++ b/arch/arm/mach-tegra/dvfs.c @@ -28,6 +28,7 @@ #include <linux/slab.h> #include <linux/suspend.h> #include <linux/delay.h> +#include <linux/reboot.h> #include <asm/clkdev.h> @@ -394,6 +395,23 @@ static struct notifier_block tegra_dvfs_nb = { .notifier_call = tegra_dvfs_pm_notify, }; +static int tegra_dvfs_reboot_notify(struct notifier_block *nb, + unsigned long event, void *data) +{ + switch (event) { + case SYS_RESTART: + case SYS_HALT: + case SYS_POWER_OFF: + tegra_dvfs_suspend(); + return NOTIFY_OK; + } + return NOTIFY_DONE; +} + +static struct notifier_block tegra_dvfs_reboot_nb = { + .notifier_call = tegra_dvfs_reboot_notify, +}; + /* must be called with dvfs lock held */ static void __tegra_dvfs_rail_disable(struct dvfs_rail *rail) { @@ -472,6 +490,7 @@ int __init tegra_dvfs_late_init(void) mutex_unlock(&dvfs_lock); register_pm_notifier(&tegra_dvfs_nb); + register_reboot_notifier(&tegra_dvfs_reboot_nb); return 0; } |