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authorJavier Martinez Canillas <javier.martinez@collabora.co.uk>2015-05-08 20:33:42 +0300
committerKukjin Kim <kgene@kernel.org>2015-05-08 20:33:42 +0300
commit0d747762966e47e3660cbd1b7806791c83e04f91 (patch)
tree1b5ce2cef2630b5d2134ec89779b2a3b83220174 /arch
parentb787f68c36d49bb1d9236f403813641efa74a031 (diff)
downloadlinux-0d747762966e47e3660cbd1b7806791c83e04f91.tar.xz
ARM: dts: Make DP a consumer of DISP1 power domain on Exynos5420
Commit ea08de16eb1b ("ARM: dts: Add DISP1 power domain for exynos5420") added a device node for the Exynos5420 DISP1 power domain but dit not make the DP controller a consumer of that power domain. This causes an "Unhandled fault: imprecise external abort" error if the exynos-dp driver tries to access the DP controller registers and the PD was turned off. This lead to a kernel panic and a complete system hang. Make the DP controller device node a consumer of the DISP1 power domain to ensure that the PD is turned on when the exynos-dp driver is probed. Fixes: ea08de16eb1b ("ARM: dts: Add DISP1 power domain for exynos5420") Signed-off-by: Javier Martinez Canillas <javier.martinez@collabora.co.uk> Signed-off-by: Kukjin Kim <kgene@kernel.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/boot/dts/exynos5420.dtsi1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
index f67b23f303c3..45317538bbae 100644
--- a/arch/arm/boot/dts/exynos5420.dtsi
+++ b/arch/arm/boot/dts/exynos5420.dtsi
@@ -536,6 +536,7 @@
clock-names = "dp";
phys = <&dp_phy>;
phy-names = "dp";
+ power-domains = <&disp_pd>;
};
mipi_phy: video-phy@10040714 {