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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>
hifive-unleashed-5.1
Andrey Smirnov 2019-03-25 23:32:08 -07:00 committed by Linus Walleij
parent 3b55cb88c3
commit e5545c94e4
1 changed files with 2 additions and 1 deletions
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3
drivers/gpio/gpiolib-of.c
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@ -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;