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 <acour...@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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