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pinctrl: mvebu: make pdma clock on dove mandatory 

With the ability to pass clocks through DT, now make the pdma
clock of dove pinctrl mandatory. Otherwise, pinctrl will hang
the system when accessing some registers.

Signed-off-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Sebastian Hesselbarth 2012-11-26 20:16:39 +01:00 committed by Jason Cooper
parent db7d77e6a7
commit ba607b6238
1 changed files with 5 additions and 2 deletions
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7
drivers/pinctrl/mvebu/pinctrl-dove.c
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@ -595,8 +595,11 @@ static int __devinit dove_pinctrl_probe(struct platform_device *pdev)
* grab clk to make sure it is ticking.
*/
clk = devm_clk_get(&pdev->dev, NULL);
if (!IS_ERR(clk))
clk_prepare_enable(clk);
if (IS_ERR(clk)) {
dev_err(&pdev->dev, "Unable to get pdma clock");
return PTR_RET(clk);
}
clk_prepare_enable(clk);
return mvebu_pinctrl_probe(pdev);
}