Commit id: 2e94ac42898f84d76e3c21dd91bc is not taking care
of mapping of exynos5440 PMU register which will result in kernel panic
on exynos5440.
As exynos5440 DTS does not have PMU node, and also we are skipping
exynos_pm_init in case of exynos5440, let's avoid mapping of exynos5440 PMU.
Reported-by: Ming Lei <tom.leiming@xxxxxxxxx>
Signed-off-by: Pankaj Dubey <pankaj.dubey@xxxxxxxxxxx>
---
arch/arm/mach-exynos/exynos.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/arm/mach-exynos/exynos.c b/arch/arm/mach-exynos/exynos.c
index c13d083..1891b8c 100644
--- a/arch/arm/mach-exynos/exynos.c
+++ b/arch/arm/mach-exynos/exynos.c
@@ -208,7 +208,8 @@ static void __init exynos_init_irq(void)
* DT is not unflatten so we can't use DT APIs before
* init_irq
*/
- exynos_map_pmu();
+ if (!of_machine_is_compatible("samsung,exynos5440"))
+ exynos_map_pmu();
}
static void __init exynos_dt_machine_init(void)
--
2.2.0
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