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| author | Andrey Smirnov <andrew.smirnov@gmail.com> | 2019-03-25 23:32:08 -0700 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2019-03-28 17:06:58 +0100 |
| commit | e5545c94e43b8f6599ffc01df8d1aedf18ee912a (patch) | |
| tree | 50832a9df8973a90546a4e52637732d732639f5f | |
| parent | 3b55cb88c3898239ebbca86372ece1d145013010 (diff) | |
| download | linux-0-day-e5545c94e43b8f6599ffc01df8d1aedf18ee912a.tar.gz linux-0-day-e5545c94e43b8f6599ffc01df8d1aedf18ee912a.tar.xz | |
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>
| -rw-r--r-- | drivers/gpio/gpiolib-of.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/gpio/gpiolib-of.c b/drivers/gpio/gpiolib-of.c index 8b9c3ab70f6ea..ee7f08386a720 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; |