Messages in this thread Patch in this message | | | From | Alexandre Courbot <> | Subject | [PATCH 5/5] ARM: tegra: cpuidle: use firmware call for power down | Date | Tue, 21 Jan 2014 19:10:16 +0900 |
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Invoke the do_idle() firmware call before suspending a CPU so that the underlying firmware (if any) can take necessary action.
Signed-off-by: Alexandre Courbot <acourbot@nvidia.com> --- arch/arm/mach-tegra/cpuidle-tegra114.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/arch/arm/mach-tegra/cpuidle-tegra114.c b/arch/arm/mach-tegra/cpuidle-tegra114.c index e0b87300243d..c42fd41065d2 100644 --- a/arch/arm/mach-tegra/cpuidle-tegra114.c +++ b/arch/arm/mach-tegra/cpuidle-tegra114.c @@ -19,6 +19,7 @@ #include <linux/cpuidle.h> #include <linux/cpu_pm.h> #include <linux/clockchips.h> +#include <asm/firmware.h> #include <asm/cpuidle.h> #include <asm/suspend.h> @@ -45,6 +46,8 @@ static int tegra114_idle_power_down(struct cpuidle_device *dev, clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_ENTER, &dev->cpu); + call_firmware_op(do_idle); + cpu_suspend(0, tegra30_sleep_cpu_secondary_finish); clockevents_notify(CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &dev->cpu); -- 1.8.5.3
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