diff options
| author | Jingoo Han <jg1.han@samsung.com> | 2012-07-30 23:40:45 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-31 02:25:15 +0200 |
| commit | 4405d5d9dd76740bfb715fc6a32343e087a13e1e (patch) | |
| tree | 5191c4c7c0b4aaf98d392a1a4f35686d1e56e889 | |
| parent | backlight: lms283gf05: use devm_gpio_request() (diff) | |
| download | linux-4405d5d9dd76740bfb715fc6a32343e087a13e1e.tar.xz linux-4405d5d9dd76740bfb715fc6a32343e087a13e1e.zip | |
backlight: corgi_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: Eric Miao <eric.y.miao@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>
| -rw-r--r-- | drivers/video/backlight/corgi_lcd.c | 19 |
1 files changed, 5 insertions, 14 deletions
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c index 23d732677ba1..c781768ba892 100644 --- a/drivers/video/backlight/corgi_lcd.c +++ b/drivers/video/backlight/corgi_lcd.c @@ -492,7 +492,8 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, lcd->gpio_backlight_cont = -1; if (gpio_is_valid(pdata->gpio_backlight_on)) { - err = gpio_request(pdata->gpio_backlight_on, "BL_ON"); + err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_on, + "BL_ON"); if (err) { dev_err(&spi->dev, "failed to request GPIO%d for " "backlight_on\n", pdata->gpio_backlight_on); @@ -504,11 +505,12 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, } if (gpio_is_valid(pdata->gpio_backlight_cont)) { - err = gpio_request(pdata->gpio_backlight_cont, "BL_CONT"); + err = devm_gpio_request(&spi->dev, pdata->gpio_backlight_cont, + "BL_CONT"); if (err) { dev_err(&spi->dev, "failed to request GPIO%d for " "backlight_cont\n", pdata->gpio_backlight_cont); - goto err_free_backlight_on; + return err; } lcd->gpio_backlight_cont = pdata->gpio_backlight_cont; @@ -525,11 +527,6 @@ static int setup_gpio_backlight(struct corgi_lcd *lcd, } } return 0; - -err_free_backlight_on: - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - return err; } static int __devinit corgi_lcd_probe(struct spi_device *spi) @@ -602,12 +599,6 @@ static int __devexit corgi_lcd_remove(struct spi_device *spi) backlight_update_status(lcd->bl_dev); backlight_device_unregister(lcd->bl_dev); - if (gpio_is_valid(lcd->gpio_backlight_on)) - gpio_free(lcd->gpio_backlight_on); - - if (gpio_is_valid(lcd->gpio_backlight_cont)) - gpio_free(lcd->gpio_backlight_cont); - corgi_lcd_set_power(lcd->lcd_dev, FB_BLANK_POWERDOWN); lcd_device_unregister(lcd->lcd_dev); |