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| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2012-05-04 17:18:40 (GMT) |
|---|---|---|
| committer | Kevin Hilman <khilman@ti.com> | 2012-05-04 21:07:10 (GMT) |
| commit | daa37cee791722711bf15b9635d007014e73ad3d (patch) | |
| tree | 4728b4f12bed175af600d9c1f2ed44117c1de146 /arch/arm/mach-omap2 | |
| parent | 34fd57bffe60807f5639fc8bbe7a46ce97e45f50 (diff) | |
| download | linux-fsl-qoriq-daa37cee791722711bf15b9635d007014e73ad3d.tar.xz | |
ARM: OMAP3: cpuidle - check the powerdomain lookup
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>
Diffstat (limited to 'arch/arm/mach-omap2')
| -rw-r--r-- | arch/arm/mach-omap2/cpuidle34xx.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/cpuidle34xx.c b/arch/arm/mach-omap2/cpuidle34xx.c index f682e17..207bc1c 100644 --- a/arch/arm/mach-omap2/cpuidle34xx.c +++ b/arch/arm/mach-omap2/cpuidle34xx.c @@ -363,6 +363,9 @@ 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; + cpuidle_register_driver(&omap3_idle_driver); dev = &per_cpu(omap3_idle_dev, smp_processor_id()); |