[PATCH] powerpc/usb: fix bug of kernel hang when initializing usb

[Sergei Shtylyov]

Hello.

On 16-02-2012 14:02, Shengzhou Liu wrote:

> If USB UTMI PHY is not enable, writing to portsc register will lead to
> kernel hang during boot up.

> Signed-off-by: Shengzhou Liu<Shengzhou.Liu at freescale.com>
[...]

> diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
> index bdf43e2..0e400c2 100644
> --- a/drivers/usb/host/ehci-fsl.h
> +++ b/drivers/usb/host/ehci-fsl.h
> @@ -45,6 +45,7 @@
>   #define FSL_SOC_USB_PRICTRL	0x40c	/* NOTE: big-endian */
>   #define FSL_SOC_USB_SICTRL	0x410	/* NOTE: big-endian */
>   #define FSL_SOC_USB_CTRL	0x500	/* NOTE: big-endian */
> +#define CTRL_UTMI_PHY_EN	(1<<9)

    Please put spaces around << like below.

>   #define CTRL_PHY_CLK_VALID	(1<<  17)
>   #define SNOOP_SIZE_2GB		0x1e
>   #endif				/* _EHCI_FSL_H */

WBR, Sergei