From: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Date: Thu, 21 Apr 2016 07:04:49 +0000 (+0200)
Subject: i2c: s3c2410: Add missing clock unprepare on probe() error path
X-Git-Tag: v4.7-rc1~113^2~28
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b1b3df2fc808187e3c9e50162b55fb458035b0ab;p=karo-tx-linux.git

i2c: s3c2410: Add missing clock unprepare on probe() error path

If during probe() the s3c24xx_i2c_init() failed, the clock was left in
disabled but prepared state.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
---

diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 1bc756313cb8..3f16f30edbd2 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -1200,6 +1200,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
 	clk_disable(i2c->clk);
 	if (ret != 0) {
 		dev_err(&pdev->dev, "I2C controller init failed\n");
+		clk_unprepare(i2c->clk);
 		return ret;
 	}
 	/* find the IRQ for this unit (note, this relies on the init call to