and check the powerdomain lookup is successful.
Signed-off-by: Daniel Lezcano <[email protected]>
Reviewed-by: Jean Pihet <[email protected]>
---
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.
--
1.7.5.4
--
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