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Commit 34a5eeb2 authored by Rob Herring's avatar Rob Herring
Browse files

cpuidle: calxeda: add cpu_pm_enter/exit calls 



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: default avatarRob Herring <rob.herring@calxeda.com>
Cc: "Rafael J. Wysocki" <rjw@sisk.pl>
Acked-by: default avatarDaniel Lezcano <daniel.lezcano@linaro.org>
Cc: linux-pm@vger.kernel.org
parent 15c03dd4

drivers/cpuidle/cpuidle-calxeda.c

+4 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
 */



#include <linux/cpuidle.h>

#include <linux/cpu_pm.h>

#include <linux/init.h>

#include <linux/io.h>

#include <linux/of.h>
@@ -66,8 +67,11 @@ static int calxeda_pwrdown_idle(struct cpuidle_device *dev, 
				struct cpuidle_driver *drv,

				int index)

{

	cpu_pm_enter();

	highbank_set_cpu_jump(smp_processor_id(), cpu_resume);

	cpu_suspend(0, calxeda_idle_finish);

	cpu_pm_exit();



	return index;

}