From: Axel Lin <axel.lin@gmail.com>
To: Bryan Wu <bryan.wu@canonical.com>
Cc: Mark Brown <broonie@opensource.wolfsonmicro.com>,
Richard Purdie <rpurdie@rpsys.net>,
linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH] leds: wm8350: Convert to devm_regulator_get()
Date: Fri, 10 Aug 2012 10:08:32 +0800 [thread overview]
Message-ID: <1344564512.2996.12.camel@phoenix> (raw)
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
next reply other threads:[~2012-08-10 2:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-08-10 2:08 Axel Lin [this message]
2012-08-10 2:18 ` Bryan Wu
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