Messages in this thread Patch in this message | | | From | Javier Martinez Canillas <> | Subject | [PATCH 2/2] i2c: s3c2410: Check clk_prepare_enable() return value | Date | Tue, 19 Apr 2016 16:10:41 -0400 |
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The clk_prepare_enable() function can fail so check the return value and propagate the error in case of a failure.
Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
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drivers/i2c/busses/i2c-s3c2410.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c index 4b873fe9a75b..cb40a3af46e7 100644 --- a/drivers/i2c/busses/i2c-s3c2410.c +++ b/drivers/i2c/busses/i2c-s3c2410.c @@ -1196,7 +1196,12 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev) /* initialise the i2c controller */ - clk_prepare_enable(i2c->clk); + ret = clk_prepare_enable(i2c->clk); + if (ret) { + dev_err(&pdev->dev, "I2C clock enable failed (%d)\n", ret); + return ret; + } + ret = s3c24xx_i2c_init(i2c); clk_disable(i2c->clk); if (ret != 0) { -- 2.5.5
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