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Date: Thu, 26 Sep 2013 21:24:50 -0500 From: Rob Herring <robherring2@...il.com> To: linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org Cc: Rob Herring <rob.herring@...xeda.com>, "Rafael J. Wysocki" <rjw@...k.pl>, Daniel Lezcano <daniel.lezcano@...aro.org>, linux-pm@...r.kernel.org Subject: [PATCH 2/6] cpuidle: calxeda: add cpu_pm_enter/exit calls From: Rob Herring <rob.herring@...xeda.com> 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 <rob.herring@...xeda.com> Cc: "Rafael J. Wysocki" <rjw@...k.pl> Cc: Daniel Lezcano <daniel.lezcano@...aro.org> Cc: linux-pm@...r.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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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