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pinctrl: mvebu: make pdma clock on dove mandatory

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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);
}