linux-kernel - [PATCH] regulator: lp8755: Convert to devm_request_threaded

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Date:	Sun, 31 May 2015 14:06:46 +0800
From:	Axel Lin <axel.lin@...ics.com>
To:	Mark Brown <broonie@...nel.org>
Cc:	Daniel Jeong <gshark.jeong@...il.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: lp8755: Convert to devm_request_threaded_irq

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/lp8755.c | 23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/drivers/regulator/lp8755.c b/drivers/regulator/lp8755.c
index 4a415d4..d6773da 100644
--- a/drivers/regulator/lp8755.c
+++ b/drivers/regulator/lp8755.c
@@ -419,20 +419,16 @@ static int lp8755_int_config(struct lp8755_chip *pchip)
 	}
 
 	ret = lp8755_read(pchip, 0x0F, &regval);
-	if (ret < 0)
-		goto err_i2c;
-	pchip->irqmask = regval;
-	ret = request_threaded_irq(pchip->irq, NULL, lp8755_irq_handler,
-				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				   "lp8755-irq", pchip);
-	if (ret)
+	if (ret < 0) {
+		dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
 		return ret;
+	}
 
-	return ret;
-
-err_i2c:
-	dev_err(pchip->dev, "i2c acceess error %s\n", __func__);
-	return ret;
+	pchip->irqmask = regval;
+	return devm_request_threaded_irq(pchip->dev, pchip->irq, NULL,
+					 lp8755_irq_handler,
+					 IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+					 "lp8755-irq", pchip);
 }
 
 static const struct regmap_config lp8755_regmap = {
@@ -514,9 +510,6 @@ static int lp8755_remove(struct i2c_client *client)
 	for (icnt = 0; icnt < LP8755_BUCK_MAX; icnt++)
 		lp8755_write(pchip, icnt, 0x00);
 
-	if (pchip->irq != 0)
-		free_irq(pchip->irq, pchip);
-
 	return 0;
 }
 
-- 
2.1.0



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