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authorAxel Lin <axel.lin@gmail.com>2012-01-11 03:09:37 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-11 04:30:49 +0400
commitb96a573f4c27529d379922670e8cf5530120d5ca (patch)
tree3bcc570221a4a47c83e50d8d538730c4ea4bedd3 /drivers/leds/leds-netxbig.c
parent95dafd475382740a841697a2ead6566175d26390 (diff)
downloadlinux-b96a573f4c27529d379922670e8cf5530120d5ca.tar.xz
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>
Diffstat (limited to 'drivers/leds/leds-netxbig.c')
-rw-r--r--drivers/leds/leds-netxbig.c24
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;