[PATCH -next] gpiolib: remove set but not used variable 'config'

[YueHaibing]

drivers/gpio/gpiolib.c: In function gpio_set_config:
drivers/gpio/gpiolib.c:3053:16: warning:
 variable config set but not used [-Wunused-but-set-variable]

commit d90f36851d65 ("gpiolib: have a single place
of calling set_config()") left behind this unused variable.

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 drivers/gpio/gpiolib.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c
index 9fd2dfb..aabf801 100644
--- a/drivers/gpio/gpiolib.c
+++ b/drivers/gpio/gpiolib.c
@@ -3050,7 +3050,6 @@ static int gpio_do_set_config(struct gpio_chip *gc, unsigned int offset,
 static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
 			   enum pin_config_param mode)
 {
-	unsigned long config;
 	unsigned arg;
 
 	switch (mode) {
@@ -3064,7 +3063,6 @@ static int gpio_set_config(struct gpio_chip *gc, unsigned int offset,
 		arg = 0;
 	}
 
-	config = PIN_CONF_PACKED(mode, arg);
 	return gpio_do_set_config(gc, offset, mode);
 }
 
-- 
2.7.4