[PATCH 2/6] cpuidle: calxeda: add cpu_pm_enter/exit calls
From: Rob Herring <hidden>
Date: 2013-09-27 02:26:19
Also in:
linux-pm, lkml
Subsystem:
cpu idle time management framework, the rest · Maintainers:
"Rafael J. Wysocki", Daniel Lezcano, Linus Torvalds
From: Rob Herring <redacted> Wnen powergating the core, we need to call cpu pm notifiers to save VFP state (!SMP only) and resetting the breakpoint h/w. Signed-off-by: Rob Herring <redacted> Cc: "Rafael J. Wysocki" <redacted> Cc: Daniel Lezcano <redacted> Cc: linux-pm at vger.kernel.org --- drivers/cpuidle/cpuidle-calxeda.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/cpuidle/cpuidle-calxeda.c b/drivers/cpuidle/cpuidle-calxeda.c
index 01cfecf3..b04767a 100644
--- a/drivers/cpuidle/cpuidle-calxeda.c
+++ b/drivers/cpuidle/cpuidle-calxeda.c@@ -21,6 +21,7 @@ */ #include <linux/cpuidle.h> +#include <linux/cpu_pm.h> #include <linux/init.h> #include <linux/of.h> #include <asm/cpuidle.h>
@@ -39,7 +40,10 @@ static int calxeda_pwrdown_idle(struct cpuidle_device *dev, struct cpuidle_driver *drv, int index) { + cpu_pm_enter(); cpu_suspend(0, calxeda_idle_finish); + cpu_pm_exit(); + return index; }
--
1.8.1.2