Unverified Commit ec757001 authored Dec 06, 2018 by Linus Walleij Committed by Mark Brown Dec 11, 2018

gpio: Enable nonexclusive gpiods from DT nodes



This makes gpiod_get_from_of_node() respect the
GPIOD_FLAGS_BIT_NONEXCLUSIVE flag which is especially
nice when getting regulator GPIOs right out of device
tree nodes.

Suggested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Fixes: b0ce7b29 ("regulator/gpio: Allow nonexclusive GPIO access")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Marek Szyprowski <m.szyprowski@samsung.com>
Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

parent d03c63db

drivers/gpio/gpiolib.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -4204,6 +4204,8 @@ struct gpio_desc gpiod_get_from_of_node(struct device_node node,
		transitory = flags & OF_GPIO_TRANSITORY;

		ret = gpiod_request(desc, label);
		if (ret == -EBUSY && (flags & GPIOD_FLAGS_BIT_NONEXCLUSIVE))
		return desc;
		if (ret)
		return ERR_PTR(ret);

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