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ARM: dts: kirkwood: Fix polarity of GPIO fan lines
authorLinus Walleij <linus.walleij@linaro.org>
Mon, 7 Jan 2019 23:08:18 +0000 (00:08 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 20 Feb 2019 09:13:21 +0000 (10:13 +0100)
[ Upstream commit b5f034845e70916fd33e172fad5ad530a29c10ab ]

These two lines are active high, not active low. The bug was
found when we changed the kernel to respect the polarity defined
in the device tree.

Fixes: 1b90e06b1429 ("ARM: kirkwood: Use devicetree to define DNS-32[05] fan")
Cc: Jamie Lentin <jm@lentin.co.uk>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: Andrew Lunn <andrew@lunn.ch>
Cc: Gregory Clement <gregory.clement@bootlin.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Cc: Julien D'Ascenzio <jdascenzio@posteo.net>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Jamie Lentin <jm@lentin.co.uk>
Reported-by: Julien D'Ascenzio <jdascenzio@posteo.net>
Tested-by: Julien D'Ascenzio <jdascenzio@posteo.net>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/arm/boot/dts/kirkwood-dnskw.dtsi

index 113dcf0..1b2dacf 100644 (file)
@@ -35,8 +35,8 @@
                compatible = "gpio-fan";
                pinctrl-0 = <&pmx_fan_high_speed &pmx_fan_low_speed>;
                pinctrl-names = "default";
-               gpios = <&gpio1 14 GPIO_ACTIVE_LOW
-                        &gpio1 13 GPIO_ACTIVE_LOW>;
+               gpios = <&gpio1 14 GPIO_ACTIVE_HIGH
+                        &gpio1 13 GPIO_ACTIVE_HIGH>;
                gpio-fan,speed-map = <0    0
                                      3000 1
                                      6000 2>;