[PATCH 2/2] powerpc/usb: fix bug of CPU hang when missing USB PHY clock

[Tabi Timur-B04825]

On Fri, Aug 10, 2012 at 5:48 AM, Shengzhou Liu
<Shengzhou.Liu at freescale.com> wrote:

> +               for (timeout = 1000; timeout > 0; timeout--) {
> +                       /* check PHY_CLK_VALID to get phy clk valid */
> +                       if (in_be32(non_ehci + FSL_SOC_USB_CTRL)
> +                                       & PHY_CLK_VALID)
> +                               break;
> +                       udelay(1);
> +               }

Use spin_event_timeout() instead.

-- 
Timur Tabi
Linux kernel developer at Freescale