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ARM: OMAP3: cpuidle - check the powerdomain lookup

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At init time, check the powerdomains lookup is successful otherwise
exit the cpuidle driver init function with -ENODEV like what is done for the
omap3 cpuidle driver.

Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Reviewed-by: Jean Pihet <j-pihet@ti.com>
Tested-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Kevin Hilman <khilman@ti.com>
This commit is contained in:
Daniel Lezcano 2012-05-04 19:18:40 +02:00 committed by Kevin Hilman
parent 34fd57bffe
commit daa37cee79
1 changed files with 3 additions and 0 deletions
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arch/arm/mach-omap2/cpuidle34xx.c
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@ -363,6 +363,9 @@ int __init omap3_idle_init(void)
per_pd = pwrdm_lookup("per_pwrdm"); per_pd = pwrdm_lookup("per_pwrdm");
cam_pd = pwrdm_lookup("cam_pwrdm"); cam_pd = pwrdm_lookup("cam_pwrdm");
if (!mpu_pd || !core_pd || !per_pd || !cam_pd)
return -ENODEV;
cpuidle_register_driver(&omap3_idle_driver); cpuidle_register_driver(&omap3_idle_driver);
dev = &per_cpu(omap3_idle_dev, smp_processor_id()); dev = &per_cpu(omap3_idle_dev, smp_processor_id());