[PATCH v3] powerpc/usb: fix bug of CPU hang when missing USB PHY clock

[Greg KH]

On Tue, Sep 18, 2012 at 04:52:39PM +0800, Shengzhou Liu wrote:
> when missing USB PHY clock, kernel booting up will hang during USB
> initialization. We should check USBGP[PHY_CLK_VALID] bit to avoid
> CPU hanging in this case.
> 
> Signed-off-by: Shengzhou Liu <Shengzhou.Liu at freescale.com>
> ---
> v3 change: no check for UTMI PHY.
> v2 change: use spin_event_timeout() instead.
> 
>  drivers/usb/host/ehci-fsl.c |   57 +++++++++++++++++++++++++++++-------------
>  drivers/usb/host/ehci-fsl.h |    1 +
>  include/linux/fsl_devices.h |    1 +
>  3 files changed, 41 insertions(+), 18 deletions(-)

This is already applied, right?

greg k-h