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i2c-nomadik: Fixup clock handling 

Make sure to clk_prepare as well as clk_enable.

Signed-off-by: Philippe Begnic <philippe.begnic@stericsson.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
This commit is contained in:
Philippe Begnic 2012-10-10 13:02:26 +02:00 committed by Wolfram Sang
parent 82fa63bd6b
commit 817315f574
1 changed files with 7 additions and 2 deletions
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9
drivers/i2c/busses/i2c-nomadik.c
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@ -644,7 +644,11 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
pm_runtime_get_sync(&dev->adev->dev);
clk_enable(dev->clk);
status = clk_prepare_enable(dev->clk);
if (status) {
dev_err(&dev->adev->dev, "can't prepare_enable clock\n");
goto out_clk;
}
status = init_hw(dev);
if (status)
@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
}
out:
clk_disable(dev->clk);
clk_disable_unprepare(dev->clk);
out_clk:
pm_runtime_put_sync(&dev->adev->dev);
dev->busy = false;