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| author | Axel Lin <axel.lin@gmail.com> | 2012-01-10 15:09:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-10 16:30:49 -0800 |
| commit | b96a573f4c27529d379922670e8cf5530120d5ca (patch) | |
| tree | 3bcc570221a4a47c83e50d8d538730c4ea4bedd3 | |
| parent | 95dafd475382740a841697a2ead6566175d26390 (diff) | |
| download | linux-stable-b96a573f4c27529d379922670e8cf5530120d5ca.tar.gz linux-stable-b96a573f4c27529d379922670e8cf5530120d5ca.tar.bz2 linux-stable-b96a573f4c27529d379922670e8cf5530120d5ca.zip | |
drivers/leds/leds-netxbig.c: use gpio_request_one()
Use gpio_request_one() instead of multiple gpiolib calls. This also
simplifies error handling a bit.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Cc: Simon Guinot <sguinot@lacie.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/leds/leds-netxbig.c | 24 |
1 files changed, 6 insertions, 18 deletions
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c index 8c7a4ea10dc3..d8433f2d53bc 100644 --- a/drivers/leds/leds-netxbig.c +++ b/drivers/leds/leds-netxbig.c @@ -81,35 +81,23 @@ static int __devinit gpio_ext_init(struct netxbig_gpio_ext *gpio_ext) /* Configure address GPIOs. */ for (i = 0; i < gpio_ext->num_addr; i++) { - err = gpio_request(gpio_ext->addr[i], "GPIO extension addr"); + err = gpio_request_one(gpio_ext->addr[i], GPIOF_OUT_INIT_LOW, + "GPIO extension addr"); if (err) goto err_free_addr; - err = gpio_direction_output(gpio_ext->addr[i], 0); - if (err) { - gpio_free(gpio_ext->addr[i]); - goto err_free_addr; - } } /* Configure data GPIOs. */ for (i = 0; i < gpio_ext->num_data; i++) { - err = gpio_request(gpio_ext->data[i], "GPIO extension data"); + err = gpio_request_one(gpio_ext->data[i], GPIOF_OUT_INIT_LOW, + "GPIO extension data"); if (err) goto err_free_data; - err = gpio_direction_output(gpio_ext->data[i], 0); - if (err) { - gpio_free(gpio_ext->data[i]); - goto err_free_data; - } } /* Configure "enable select" GPIO. */ - err = gpio_request(gpio_ext->enable, "GPIO extension enable"); + err = gpio_request_one(gpio_ext->enable, GPIOF_OUT_INIT_LOW, + "GPIO extension enable"); if (err) goto err_free_data; - err = gpio_direction_output(gpio_ext->enable, 0); - if (err) { - gpio_free(gpio_ext->enable); - goto err_free_data; - } return 0; |