diff options
| author |   Jingoo Han <jg1.han@samsung.com> | 2012-07-30 14:40:37 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2012-07-30 17:25:15 -0700 |
| commit | f673934c615987abe16919ede8fcd3ff6805d0d6 (patch) | |
| tree | 37de532b32a948a35adcce3cb9cdf21edd4227f0 /drivers/video/backlight | |
| parent | backlight: atmel-pwm-bl: use devm_gpio_request() (diff) | |
| download | linux-dev-f673934c615987abe16919ede8fcd3ff6805d0d6.tar.xz linux-dev-f673934c615987abe16919ede8fcd3ff6805d0d6.zip | |
backlight: ot200_bl: 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>
Acked-by: Christian Gmeiner <christian.gmeiner@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>
Diffstat (limited to 'drivers/video/backlight')
| -rw-r--r-- | drivers/video/backlight/ot200_bl.c | 9 |
1 files changed, 3 insertions, 6 deletions
diff --git a/drivers/video/backlight/ot200_bl.c b/drivers/video/backlight/ot200_bl.c index ef637ffc0799..469cf0f109d2 100644 --- a/drivers/video/backlight/ot200_bl.c +++ b/drivers/video/backlight/ot200_bl.c @@ -84,7 +84,8 @@ static int ot200_backlight_probe(struct platform_device *pdev) int retval = 0; /* request gpio */ - if (gpio_request(GPIO_DIMM, "ot200 backlight dimmer") < 0) { + if (devm_gpio_request(&pdev->dev, GPIO_DIMM, + "ot200 backlight dimmer") < 0) { dev_err(&pdev->dev, "failed to request GPIO %d\n", GPIO_DIMM); return -ENODEV; } @@ -93,8 +94,7 @@ static int ot200_backlight_probe(struct platform_device *pdev) pwm_timer = cs5535_mfgpt_alloc_timer(7, MFGPT_DOMAIN_ANY); if (!pwm_timer) { dev_err(&pdev->dev, "MFGPT 7 not available\n"); - retval = -ENODEV; - goto error_mfgpt_alloc; + return -ENODEV; } data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); @@ -131,8 +131,6 @@ static int ot200_backlight_probe(struct platform_device *pdev) error_devm_kzalloc: cs5535_mfgpt_free_timer(pwm_timer); -error_mfgpt_alloc: - gpio_free(GPIO_DIMM); return retval; } @@ -149,7 +147,6 @@ static int ot200_backlight_remove(struct platform_device *pdev) MAX_COMP2 - dim_table[100]); cs5535_mfgpt_free_timer(pwm_timer); - gpio_free(GPIO_DIMM); return 0; } |