[PATCH] Revert "ARM: dts: rockchip: add startup delay to rk3288-veyron panel-regulators"

From: Douglas Anderson
Date: Thu Jun 20 2019 - 14:21:23 EST


This reverts commit 1f45e8c6d0161f044d679f242fe7514e2625af4a.

This 100 ms mystery delay is not on downstream kernels and no longer
seems needed on upstream kernels either [1]. Presumably something in the
meantime has made things better. A few possibilities for patches that
have landed in the meantime that could have made this better are
commit 3157694d8c7f ("pwm-backlight: Add support for PWM delays
proprieties."), commit 5fb5caee92ba ("pwm-backlight: Enable/disable
the PWM before/after LCD enable toggle."), and commit 6d5922dd0d60
("ARM: dts: rockchip: set PWM delay backlight settings for Veyron")

Let's revert and get our 100 ms back.

[1] 2226970.BAPq4liE1j@diego">https://lkml.kernel.org/r/2226970.BAPq4liE1j@diego

Signed-off-by: Douglas Anderson <dianders@xxxxxxxxxxxx>
---

arch/arm/boot/dts/rk3288-veyron-jaq.dts | 1 -
arch/arm/boot/dts/rk3288-veyron-jerry.dts | 1 -
arch/arm/boot/dts/rk3288-veyron-minnie.dts | 1 -
arch/arm/boot/dts/rk3288-veyron-speedy.dts | 1 -
4 files changed, 4 deletions(-)

diff --git a/arch/arm/boot/dts/rk3288-veyron-jaq.dts b/arch/arm/boot/dts/rk3288-veyron-jaq.dts
index fcd119168cb6..5411ce148890 100644
--- a/arch/arm/boot/dts/rk3288-veyron-jaq.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-jaq.dts
@@ -24,7 +24,6 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
- startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};

diff --git a/arch/arm/boot/dts/rk3288-veyron-jerry.dts b/arch/arm/boot/dts/rk3288-veyron-jerry.dts
index 164561f04c1d..82ac9d23480e 100644
--- a/arch/arm/boot/dts/rk3288-veyron-jerry.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-jerry.dts
@@ -26,7 +26,6 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
- startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};

diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index b2cc70a08554..f29501d8ff07 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -33,7 +33,6 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
- startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};

diff --git a/arch/arm/boot/dts/rk3288-veyron-speedy.dts b/arch/arm/boot/dts/rk3288-veyron-speedy.dts
index 9b140db04456..a0f6fefc95f1 100644
--- a/arch/arm/boot/dts/rk3288-veyron-speedy.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-speedy.dts
@@ -24,7 +24,6 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
- startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};

--
2.22.0.410.gd8fdbe21b5-goog