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fbdev: mmp: fix value check in mmphw_probe()
in mmphw_probe(), check the return value of clk_prepare_enable()
and return the error code if clk_prepare_enable() returns an
unexpected value.
Fixes: d63028c389
("video: mmp display controller support")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Signed-off-by: Helge Deller <deller@gmx.de>
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1 changed files with 3 additions and 1 deletions
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@ -519,7 +519,9 @@ static int mmphw_probe(struct platform_device *pdev)
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"unable to get clk %s\n", mi->clk_name);
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goto failed;
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}
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clk_prepare_enable(ctrl->clk);
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ret = clk_prepare_enable(ctrl->clk);
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if (ret)
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goto failed;
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/* init global regs */
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ctrl_set_default(ctrl);
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