From: Marc Dietrich <marvin24@gmx.de>
Date: Fri, 9 Dec 2016 09:20:38 +0000 (+0100)
Subject: ARM: tegra: paz00: Mark panel regulator as enabled on boot
X-Git-Tag: v4.4.70~95
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=025e33ee387a398a51588834c3172bedf4f9c485;p=thirdparty%2Fkernel%2Fstable.git

ARM: tegra: paz00: Mark panel regulator as enabled on boot

commit 0c18927f51f4d390abdcf385bff5f995407ee732 upstream.

Current U-Boot enables the display already. Marking the regulator as
enabled on boot fixes sporadic panel initialization failures.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Tested-by: Misha Komarovskiy <zombah@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index ed7e1009326cd..d9ee0fd817e91 100644
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -565,6 +565,7 @@
 			regulator-name = "+3VS,vdd_pnl";
 			regulator-min-microvolt = <3300000>;
 			regulator-max-microvolt = <3300000>;
+			regulator-boot-on;
 			gpio = <&gpio TEGRA_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};