ARM: EXYNOS: do not allow cpuidle registration for exynos5420

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@linaro.org>
Reviewed-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index 46d893fcbe85..c7d960aa95a8 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -298,7 +298,9 @@ static void __init exynos_dt_machine_init(void)
         if (!IS_ENABLED(CONFIG_SMP))
                 exynos_sysram_init();
 
-        exynos_cpuidle_init();
+        if (!of_machine_is_compatible("samsung,exynos5420"))
+                exynos_cpuidle_init();
+
         exynos_cpufreq_init();
 
         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);