ata: pata_imx: Check the return value from clk_prepare_enable()
clk_prepare_enable() may fail, so let's check its return value and propagate it in the case of error. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -119,7 +119,9 @@ static int pata_imx_probe(struct platform_device *pdev)
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return PTR_ERR(priv->clk);
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}
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clk_prepare_enable(priv->clk);
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ret = clk_prepare_enable(priv->clk);
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if (ret)
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return ret;
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host = ata_host_alloc(&pdev->dev, 1);
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if (!host) {
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@ -212,7 +214,9 @@ static int pata_imx_resume(struct device *dev)
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struct ata_host *host = dev_get_drvdata(dev);
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struct pata_imx_priv *priv = host->private_data;
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clk_prepare_enable(priv->clk);
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int ret = clk_prepare_enable(priv->clk);
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if (ret)
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return ret;
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__raw_writel(priv->ata_ctl, priv->host_regs + PATA_IMX_ATA_CONTROL);
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