On Mon, Jan 14, 2013 at 06:12:40PM +0800, Peter Chen wrote:
> @@ -83,15 +84,16 @@ void fsl_udc_clk_finalize(enum fsl_udc_type devtype,
>       struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
>       if (devtype == IMX35_UDC) {
>               unsigned int v;
> +             void __iomem *phy_regs = ioremap((unsigned long)pdata->regs +
> +                                             MX35_USBPHYCTRL_OFFSET, 512);

Consider that ioremap() can fail.
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