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authorLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 12:52:42 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-12-15 12:52:42 -0800
commite81d372ff9f694e13fa46e8b5aaed505c7fd2a1f (patch)
tree058d5004b6ca7602aaec6ef2d992be9c71a8e81c /drivers/leds/leds-ns2.c
parent75e300c8ba5864367634d946c729d8fd05c1cbc2 (diff)
parent2f05e1d4458f9cb68d4d36fb47e6830fec03c80e (diff)
downloadlinux-e81d372ff9f694e13fa46e8b5aaed505c7fd2a1f.tar.gz
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull LED subsystem update from Bryan Wu.

* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (47 commits)
  leds: leds-lp5521: return an error code on error in probe()
  leds: leds-clevo-mail: Use pr_* instead of printks
  leds: leds-rb532: Fix checkpatch errors
  leds: led-triggers: Fix checkpatch warnings
  leds: ledtrig-backlight: Fix checkpatch error
  leds: leds-wrap: Use <linux/io.h> instead of <asm/io.h>
  leds: leds-wm8350: Use dev_err instead of printk
  leds: leds-pwm: Fix checkpatch warning
  leds: leds-pca955x: Use dev_info instead of printk
  leds: leds-net48xx: Use linux/io.h instead of asm/io.h
  leds: leds-lt3593: Fix checkpatch warnings
  leds: leds-gpio: Use dev_info instead of printk
  leds: leds-da903x: Fix checkpatch error and warnings
  leds: leds-bd2802: Fix checkpatch warnings
  leds: leds-adp5520: Fix checkpatch warnings
  leds: led-class: Fix checkpatch warning
  leds: leds-ns2: use devm_gpio_request_one
  leds: leds-lt3593: use devm_gpio_request_one
  leds: leds-gpio: use devm_gpio_request_one
  leds: lp3944: Fix return value
  ...
Diffstat (limited to 'drivers/leds/leds-ns2.c')
-rw-r--r--drivers/leds/leds-ns2.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/leds/leds-ns2.c b/drivers/leds/leds-ns2.c
index 7b75affb308a..d978171c25b4 100644
--- a/drivers/leds/leds-ns2.c
+++ b/drivers/leds/leds-ns2.c
@@ -150,7 +150,7 @@ static ssize_t ns2_led_sata_store(struct device *dev,
 	unsigned long enable;
 	enum ns2_led_modes mode;
 
-	ret = strict_strtoul(buff, 10, &enable);
+	ret = kstrtoul(buff, 10, &enable);
 	if (ret < 0)
 		return ret;
 
@@ -192,29 +192,22 @@ create_ns2_led(struct platform_device *pdev, struct ns2_led_data *led_dat,
 	int ret;
 	enum ns2_led_modes mode;
 
-	ret = gpio_request(template->cmd, template->name);
-	if (ret == 0) {
-		ret = gpio_direction_output(template->cmd,
-					    gpio_get_value(template->cmd));
-		if (ret)
-			gpio_free(template->cmd);
-	}
+	ret = devm_gpio_request_one(&pdev->dev, template->cmd,
+			GPIOF_DIR_OUT | gpio_get_value(template->cmd),
+			template->name);
 	if (ret) {
 		dev_err(&pdev->dev, "%s: failed to setup command GPIO\n",
 			template->name);
+		return ret;
 	}
 
-	ret = gpio_request(template->slow, template->name);
-	if (ret == 0) {
-		ret = gpio_direction_output(template->slow,
-					    gpio_get_value(template->slow));
-		if (ret)
-			gpio_free(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);
@@ -229,7 +222,7 @@ 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;
@@ -238,7 +231,7 @@ 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)
@@ -248,11 +241,6 @@ 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;
 }
 
@@ -260,8 +248,6 @@ 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);
 }
 
 #ifdef CONFIG_OF_GPIO