gpio: twl4030: Remove redundant assignment

Variable "status" is never used, so remove it and add warning if
any error happen.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/gpio/gpio-twl4030.c b/drivers/gpio/gpio-twl4030.c
index 8b88ca2..3ebb1a5 100644 (file)
--- a/drivers/gpio/gpio-twl4030.c
+++ b/drivers/gpio/gpio-twl4030.c
@@ -139,7 +139,6 @@ static u8 cached_leden;
 static void twl4030_led_set_value(int led, int value)
 {
        u8 mask = LEDEN_LEDAON | LEDEN_LEDAPWM;
-       int status;
 
        if (led)
                mask <<= 1;
@@ -148,8 +147,9 @@ static void twl4030_led_set_value(int led, int value)
                cached_leden &= ~mask;
        else
                cached_leden |= mask;
-       status = twl_i2c_write_u8(TWL4030_MODULE_LED, cached_leden,
-                                 TWL4030_LED_LEDEN_REG);
+
+       WARN_ON_ONCE(twl_i2c_write_u8(TWL4030_MODULE_LED, cached_leden,
+                                     TWL4030_LED_LEDEN_REG));
 }
 
 static int twl4030_set_gpio_direction(int gpio, int is_input)