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 882d349..413aac4 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -75,7 +75,7 @@ static struct omap3_idle_statedata omap3_idle_data[OMAP3_NUM_STATES] = { }, };
-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) @@ -364,6 +364,9 @@ int __init omap3_idle_init(void) per_pd = pwrdm_lookup("per_pwrdm"); cam_pd = pwrdm_lookup("cam_pwrdm");
+ if (!mpu_pd || !core_pd || !per_pd || !cam_pd) + return -ENODEV; + /* * Erratum i583: implementation for ES rev < Es1.2 on 3630. We cannot * enable OFF mode in a stable form for previous revisions.