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Commit 0475c947 authored by Fabio Estevam's avatar Fabio Estevam Committed by Tejun Heo
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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: default avatarFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 0e47c969

drivers/ata/pata_imx.c

+6 −2
Original line number Diff line number Diff line
@@ -119,7 +119,9 @@ static int pata_imx_probe(struct platform_device *pdev) 
		return PTR_ERR(priv->clk);

	}



	clk_prepare_enable(priv->clk);

	ret = clk_prepare_enable(priv->clk);

	if (ret)

		return ret;



	host = ata_host_alloc(&pdev->dev, 1);

	if (!host) {
@@ -212,7 +214,9 @@ static int pata_imx_resume(struct device *dev) 
	struct ata_host *host = dev_get_drvdata(dev);

	struct pata_imx_priv *priv = host->private_data;



	clk_prepare_enable(priv->clk);

	int ret = clk_prepare_enable(priv->clk);

	if (ret)

		return ret;



	__raw_writel(priv->ata_ctl, priv->host_regs + PATA_IMX_ATA_CONTROL);