Exynos5420 is big.Little Soc. It uses cpuidle-big-litle generic cpuidle driver. Hence do not allow exynos cpuidle driver registration for Exynos5420. Signed-off-by: Chander Kashyap <chander.kashyap@xxxxxxxxxx> Signed-off-by: Chander Kashyap <k.chander@xxxxxxxxxxx> --- arch/arm/mach-exynos/cpuidle.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/arch/arm/mach-exynos/cpuidle.c b/arch/arm/mach-exynos/cpuidle.c index c57cae0..242f75d 100644 --- a/arch/arm/mach-exynos/cpuidle.c +++ b/arch/arm/mach-exynos/cpuidle.c @@ -219,6 +219,9 @@ static int exynos_cpuidle_probe(struct platform_device *pdev) int cpu_id, ret; struct cpuidle_device *device; + if (soc_is_exynos5420()) + return -ENODEV; + if (soc_is_exynos5250()) exynos5_core_down_clk(); -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html