[PATCH v2] powerpc/usb: fix bug of CPU hang when missing USB PHY clock

[Liu Shengzhou-B36685]

> -----Original Message-----
> From: Kumar Gala [mailto:galak at kernel.crashing.org]
> Sent: Tuesday, September 18, 2012 1:35 PM
> To: Greg KH
> Cc: Liu Shengzhou-B36685; linuxppc-dev at lists.ozlabs.org list; linux-
> usb at vger.kernel.org
> Subject: Re: [PATCH v2] powerpc/usb: fix bug of CPU hang when missing USB
> PHY clock
> 
> 
> On Aug 22, 2012, at 5:17 AM, 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>
> > ---
> > v2 changes: use spin_event_timeout() instead.
> >
> > drivers/usb/host/ehci-fsl.c |   58 +++++++++++++++++++++++++++++-------
> ------
> > drivers/usb/host/ehci-fsl.h |    1 +
> > include/linux/fsl_devices.h |    1 +
> > 3 files changed, 42 insertions(+), 18 deletions(-)
> 
> Greg,
> 
> Any issues picking this fix up for v3.6 inclusion?
> 
> - k
> 

[Shengzhou] please pick the v3, thanks.
http://patchwork.ozlabs.org/patch/184666/