and check the powerdomain lookup is successful.
Signed-off-by: Daniel Lezcano daniel.lezcano@linaro.org Reviewed-by: Jean Pihet j-pihet@ti.com --- arch/arm/mach-omap2/cpuidle34xx.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index 0d28596..116a0d8 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -73,7 +73,7 @@ static struct omap3_idle_statedata omap3_idle_data[] = { }, };
-struct powerdomain *mpu_pd, *core_pd, *per_pd, *cam_pd; +static struct powerdomain *mpu_pd, *core_pd, *per_pd, *cam_pd;
static int _cpuidle_allow_idle(struct powerdomain *pwrdm, struct clockdomain *clkdm) @@ -252,6 +252,9 @@ static int omap3_enter_idle_bm(struct cpuidle_device *dev, * its own code. */
+ if (!mpu_pd || !core_pd || !per_pd || !cam_pd) + return -ENODEV; + /* * Prevent PER off if CORE is not in retention or off as this * would disable PER wakeups completely.