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| author | Philippe Begnic <philippe.begnic@stericsson.com> | 2012-10-10 13:02:26 +0200 |
|---|---|---|
| committer | Wolfram Sang <w.sang@pengutronix.de> | 2012-11-02 10:52:52 +0100 |
| commit | 817315f57408b1a9c78cbc7ff2bf186da45ddcc1 (patch) | |
| tree | 668e17d69da561786316137169a3ee1f5bdeb757 /drivers/i2c/busses/i2c-nomadik.c | |
| parent | 82fa63bd6b87969dfde0139dbede243380b087d6 (diff) | |
| download | lwn-817315f57408b1a9c78cbc7ff2bf186da45ddcc1.tar.gz lwn-817315f57408b1a9c78cbc7ff2bf186da45ddcc1.zip | |
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>
Diffstat (limited to 'drivers/i2c/busses/i2c-nomadik.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-nomadik.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c index 698d7acb0f08..02c3115a2dfa 100644 --- a/drivers/i2c/busses/i2c-nomadik.c +++ b/drivers/i2c/busses/i2c-nomadik.c @@ -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; |