backlight: tosa_lcd: use devm_gpio_request()
The devm_ functions allocate memory that is released when a driver
detaches. This patch uses devm_gpio_request() for these functions.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Dmitry Baryshkov <dbaryshkov@gmail.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
index 47823b8..33047a66 100644
--- a/drivers/video/backlight/tosa_lcd.c
+++ b/drivers/video/backlight/tosa_lcd.c
@@ -193,7 +193,7 @@
data->spi = spi;
dev_set_drvdata(&spi->dev, data);
- ret = gpio_request(TOSA_GPIO_TG_ON, "tg #pwr");
+ ret = devm_gpio_request(&spi->dev, TOSA_GPIO_TG_ON, "tg #pwr");
if (ret < 0)
goto err_gpio_tg;
@@ -201,7 +201,7 @@
ret = gpio_direction_output(TOSA_GPIO_TG_ON, 0);
if (ret < 0)
- goto err_gpio_dir;
+ goto err_gpio_tg;
mdelay(60);
tosa_lcd_tg_init(data);
@@ -221,8 +221,6 @@
err_register:
tosa_lcd_tg_off(data);
-err_gpio_dir:
- gpio_free(TOSA_GPIO_TG_ON);
err_gpio_tg:
dev_set_drvdata(&spi->dev, NULL);
return ret;
@@ -239,7 +237,6 @@
tosa_lcd_tg_off(data);
- gpio_free(TOSA_GPIO_TG_ON);
dev_set_drvdata(&spi->dev, NULL);
return 0;