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authorPhilippe Begnic <philippe.begnic@stericsson.com>2012-10-10 07:02:26 -0400
committerWolfram Sang <w.sang@pengutronix.de>2012-11-02 05:52:52 -0400
commit817315f57408b1a9c78cbc7ff2bf186da45ddcc1 (patch)
tree668e17d69da561786316137169a3ee1f5bdeb757 /drivers
parent82fa63bd6b87969dfde0139dbede243380b087d6 (diff)
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')
-rw-r--r--drivers/i2c/busses/i2c-nomadik.c9
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,
644 644
645 pm_runtime_get_sync(&dev->adev->dev); 645 pm_runtime_get_sync(&dev->adev->dev);
646 646
647 clk_enable(dev->clk); 647 status = clk_prepare_enable(dev->clk);
648 if (status) {
649 dev_err(&dev->adev->dev, "can't prepare_enable clock\n");
650 goto out_clk;
651 }
648 652
649 status = init_hw(dev); 653 status = init_hw(dev);
650 if (status) 654 if (status)
@@ -671,7 +675,8 @@ static int nmk_i2c_xfer(struct i2c_adapter *i2c_adap,
671 } 675 }
672 676
673out: 677out:
674 clk_disable(dev->clk); 678 clk_disable_unprepare(dev->clk);
679out_clk:
675 pm_runtime_put_sync(&dev->adev->dev); 680 pm_runtime_put_sync(&dev->adev->dev);
676 681
677 dev->busy = false; 682 dev->busy = false;