Commit e5545c94 authored Mar 25, 2019 by Andrey Smirnov Committed by Linus Walleij Mar 28, 2019

gpio: of: Check propname before applying "cs-gpios" quirks

SPI GPIO device has more than just "cs-gpio" property in its node and
would request those GPIOs as a part of its initialization. To avoid
applying CS-specific quirk to all of them add a check to make sure
that propname is "cs-gpios".

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Cc: Chris Healy <cphealy@gmail.com>
Cc: linux-gpio@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

parent 3b55cb88

drivers/gpio/gpiolib-of.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -120,7 +120,8 @@ static void of_gpio_flags_quirks(struct device_node *np,
		* to determine if the flags should have inverted semantics.
		*/
		if (IS_ENABLED(CONFIG_SPI_MASTER) &&
		of_property_read_bool(np, "cs-gpios")) {
		of_property_read_bool(np, "cs-gpios") &&
		!strcmp(propname, "cs-gpios")) {
		struct device_node *child;
		u32 cs;
		int ret;