devm_gpio_request_one is device managed and makes error handling
and cleanup simpler.
Cc: Simon Guinot <sguinot@xxxxxxxxx>
Signed-off-by: Sachin Kamat <sachin.kamat@xxxxxxxxxx>
---
drivers/leds/leds-ns2.c | 17 +++++------------
1 files changed, 5 insertions(+), 12 deletions(-)
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 5df2a25..9505d86 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -191,7 +191,7 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
int ret;
enum ns2_led_modes mode;
- ret = gpio_request_one(template->cmd,
+ ret = devm_gpio_request_one(&pdev->dev, template->cmd,
GPIOF_DIR_OUT | gpio_get_value(template->cmd),
template->name);
if (ret) {
@@ -200,13 +200,13 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
return ret;
}
- ret = gpio_request_one(template->slow,
+ ret = devm_gpio_request_one(&pdev->dev, template->slow,
GPIOF_DIR_OUT | gpio_get_value(template->slow),
template->name);
if (ret) {
dev_err(&pdev->dev, "%s: failed to setup slow GPIO\n",
template->name);
- goto err_free_cmd;
+ return ret;
}
rwlock_init(&led_dat->rw_lock);
@@ -221,7 +221,7 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
ret = ns2_led_get_mode(led_dat, &mode);
if (ret < 0)
- goto err_free_slow;
+ return ret;
/* Set LED initial state. */
led_dat->sata = (mode == NS_V2_LED_SATA) ? 1 : 0;
@@ -230,7 +230,7 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
ret = led_classdev_register(&pdev->dev, &led_dat->cdev);
if (ret < 0)
- goto err_free_slow;
+ return ret;
ret = device_create_file(led_dat->cdev.dev, &dev_attr_sata);
if (ret < 0)
@@ -240,11 +240,6 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
err_free_cdev:
led_classdev_unregister(&led_dat->cdev);
-err_free_slow:
- gpio_free(led_dat->slow);
-err_free_cmd:
- gpio_free(led_dat->cmd);
-
return ret;
}
@@ -252,8 +247,6 @@ static void delete_ns2_led(struct ns2_led_data *led_dat)
{
device_remove_file(led_dat->cdev.dev, &dev_attr_sata);
led_classdev_unregister(&led_dat->cdev);
- gpio_free(led_dat->cmd);
- gpio_free(led_dat->slow);
}
static int __devinit ns2_led_probe(struct platform_device *pdev)
--
1.7.4.1
--
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