From mboxrd@z Thu Jan 1 00:00:00 1970 From: robherring2@gmail.com (Rob Herring) Date: Thu, 26 Sep 2013 21:24:50 -0500 Subject: [PATCH 2/6] cpuidle: calxeda: add cpu_pm_enter/exit calls In-Reply-To: <1380248694-13388-1-git-send-email-robherring2@gmail.com> References: <1380248694-13388-1-git-send-email-robherring2@gmail.com> Message-ID: <1380248694-13388-3-git-send-email-robherring2@gmail.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org From: Rob Herring 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 Cc: "Rafael J. Wysocki" Cc: Daniel Lezcano 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 +#include #include #include #include @@ -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