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>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c
index 8b9c3ab70f6e..ee7f08386a72 100644
--- a/drivers/gpio/gpiolib-of.c
+++ b/drivers/gpio/gpiolib-of.c
@@ -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;