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* [PATCH] leds: wm8350: Convert to devm_regulator_get()
@ 2012-08-10  2:08 Axel Lin
  2012-08-10  2:18 ` Bryan Wu
  0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2012-08-10  2:08 UTC (permalink / raw)
  To: Bryan Wu; +Cc: Mark Brown, Richard Purdie, linux-leds, linux-kernel

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/leds/leds-wm8350.c |   29 +++++++----------------------
 1 file changed, 7 insertions(+), 22 deletions(-)

diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
index 918d4ba..f5d9ac3 100644
--- a/drivers/leds/leds-wm8350.c
+++ b/drivers/leds/leds-wm8350.c
@@ -201,7 +201,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
 	struct regulator *isink, *dcdc;
 	struct wm8350_led *led;
 	struct wm8350_led_platform_data *pdata = pdev->dev.platform_data;
-	int ret, i;
+	int i;
 
 	if (pdata == NULL) {
 		dev_err(&pdev->dev, "no platform data\n");
@@ -214,24 +214,21 @@ static int wm8350_led_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	isink = regulator_get(&pdev->dev, "led_isink");
+	isink = devm_regulator_get(&pdev->dev, "led_isink");
 	if (IS_ERR(isink)) {
 		printk(KERN_ERR "%s: can't get ISINK\n", __func__);
 		return PTR_ERR(isink);
 	}
 
-	dcdc = regulator_get(&pdev->dev, "led_vcc");
+	dcdc = devm_regulator_get(&pdev->dev, "led_vcc");
 	if (IS_ERR(dcdc)) {
 		printk(KERN_ERR "%s: can't get DCDC\n", __func__);
-		ret = PTR_ERR(dcdc);
-		goto err_isink;
+		return PTR_ERR(dcdc);
 	}
 
 	led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
-	if (led == NULL) {
-		ret = -ENOMEM;
-		goto err_dcdc;
-	}
+	if (led == NULL)
+		return -ENOMEM;
 
 	led->cdev.brightness_set = wm8350_led_set;
 	led->cdev.default_trigger = pdata->default_trigger;
@@ -257,17 +254,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
 	led->value = LED_OFF;
 	platform_set_drvdata(pdev, led);
 
-	ret = led_classdev_register(&pdev->dev, &led->cdev);
-	if (ret < 0)
-		goto err_dcdc;
-
-	return 0;
-
- err_dcdc:
-	regulator_put(dcdc);
- err_isink:
-	regulator_put(isink);
-	return ret;
+	return led_classdev_register(&pdev->dev, &led->cdev);
 }
 
 static int wm8350_led_remove(struct platform_device *pdev)
@@ -277,8 +264,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
 	led_classdev_unregister(&led->cdev);
 	flush_work_sync(&led->work);
 	wm8350_led_disable(led);
-	regulator_put(led->dcdc);
-	regulator_put(led->isink);
 	return 0;
 }
 
-- 
1.7.9.5




^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] leds: wm8350: Convert to devm_regulator_get()
  2012-08-10  2:08 [PATCH] leds: wm8350: Convert to devm_regulator_get() Axel Lin
@ 2012-08-10  2:18 ` Bryan Wu
  0 siblings, 0 replies; 2+ messages in thread
From: Bryan Wu @ 2012-08-10  2:18 UTC (permalink / raw)
  To: Axel Lin; +Cc: Mark Brown, Richard Purdie, linux-leds, linux-kernel

Thanks, it's a good change. I've applied it to my for-next branch.

-Bryan

On Fri, Aug 10, 2012 at 10:08 AM, Axel Lin <axel.lin@gmail.com> wrote:
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
> ---
>  drivers/leds/leds-wm8350.c |   29 +++++++----------------------
>  1 file changed, 7 insertions(+), 22 deletions(-)
>
> diff --git a/drivers/leds/leds-wm8350.c b/drivers/leds/leds-wm8350.c
> index 918d4ba..f5d9ac3 100644
> --- a/drivers/leds/leds-wm8350.c
> +++ b/drivers/leds/leds-wm8350.c
> @@ -201,7 +201,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
>         struct regulator *isink, *dcdc;
>         struct wm8350_led *led;
>         struct wm8350_led_platform_data *pdata = pdev->dev.platform_data;
> -       int ret, i;
> +       int i;
>
>         if (pdata == NULL) {
>                 dev_err(&pdev->dev, "no platform data\n");
> @@ -214,24 +214,21 @@ static int wm8350_led_probe(struct platform_device *pdev)
>                 return -EINVAL;
>         }
>
> -       isink = regulator_get(&pdev->dev, "led_isink");
> +       isink = devm_regulator_get(&pdev->dev, "led_isink");
>         if (IS_ERR(isink)) {
>                 printk(KERN_ERR "%s: can't get ISINK\n", __func__);
>                 return PTR_ERR(isink);
>         }
>
> -       dcdc = regulator_get(&pdev->dev, "led_vcc");
> +       dcdc = devm_regulator_get(&pdev->dev, "led_vcc");
>         if (IS_ERR(dcdc)) {
>                 printk(KERN_ERR "%s: can't get DCDC\n", __func__);
> -               ret = PTR_ERR(dcdc);
> -               goto err_isink;
> +               return PTR_ERR(dcdc);
>         }
>
>         led = devm_kzalloc(&pdev->dev, sizeof(*led), GFP_KERNEL);
> -       if (led == NULL) {
> -               ret = -ENOMEM;
> -               goto err_dcdc;
> -       }
> +       if (led == NULL)
> +               return -ENOMEM;
>
>         led->cdev.brightness_set = wm8350_led_set;
>         led->cdev.default_trigger = pdata->default_trigger;
> @@ -257,17 +254,7 @@ static int wm8350_led_probe(struct platform_device *pdev)
>         led->value = LED_OFF;
>         platform_set_drvdata(pdev, led);
>
> -       ret = led_classdev_register(&pdev->dev, &led->cdev);
> -       if (ret < 0)
> -               goto err_dcdc;
> -
> -       return 0;
> -
> - err_dcdc:
> -       regulator_put(dcdc);
> - err_isink:
> -       regulator_put(isink);
> -       return ret;
> +       return led_classdev_register(&pdev->dev, &led->cdev);
>  }
>
>  static int wm8350_led_remove(struct platform_device *pdev)
> @@ -277,8 +264,6 @@ static int wm8350_led_remove(struct platform_device *pdev)
>         led_classdev_unregister(&led->cdev);
>         flush_work_sync(&led->work);
>         wm8350_led_disable(led);
> -       regulator_put(led->dcdc);
> -       regulator_put(led->isink);
>         return 0;
>  }
>
> --
> 1.7.9.5
>
>
>



-- 
Bryan Wu <bryan.wu@canonical.com>
Kernel Developer    +86.186-168-78255 Mobile
Canonical Ltd.      www.canonical.com
Ubuntu - Linux for human beings | www.ubuntu.com

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2012-08-10  2:08 [PATCH] leds: wm8350: Convert to devm_regulator_get() Axel Lin
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