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Subject[PATCH 4.17 307/336] gpio: of: Handle fixed regulator flags properly
Date
4.17-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Linus Walleij <linus.walleij@linaro.org>

commit 906402a44b5d090e9c330c562b8aa65c80790ccc upstream.

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@kernel.org>
Cc: Thierry Reding <thierry.reding@gmail.com>
Reported-by: Thierry Reding <thierry.reding@gmail.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/gpio/gpiolib-of.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -64,7 +64,8 @@ static void of_gpio_flags_quirks(struct
* 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

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