[PATCH] gpio: of: Handle fixed regulator flags properly

[Linus Walleij <linus.walleij@xxxxxxxxxx>]

This fixes up the handling of fixed regulator polarity
inversion flags: while I remembered to fix it for the
undocumented "reg-fixed-voltage" I forgot about the
official "regulator-fixed" binding, there are two ways
to do a fixed regulator.

The error was noticed and fixed.

Fixes: a603a2b8d86e ("gpio: of: Add special quirk to parse regulator flags")
Cc: Mark Brown <broonie@xxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Reported-by: Thierry Reding <thierry.reding@xxxxxxxxx>
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
 drivers/gpio/gpiolib-of.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 28d968088131..53a14ee8ad6d 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -64,7 +64,8 @@ static void of_gpio_flags_quirks(struct device_node *np,
 	 * Note that active low is the default.
 	 */
 	if (IS_ENABLED(CONFIG_REGULATOR) &&
-	    (of_device_is_compatible(np, "reg-fixed-voltage") ||
+	    (of_device_is_compatible(np, "regulator-fixed") ||
+	     of_device_is_compatible(np, "reg-fixed-voltage") ||
 	     of_device_is_compatible(np, "regulator-gpio"))) {
 		/*
 		 * The regulator GPIO handles are specified such that the
-- 
2.17.0

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