On Tue, Sep 18, 2012 at 12:35:09AM -0500, Kumar Gala wrote:
>
> 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.
> >
> > S
> -Original Message-
> From: Kumar Gala [mailto:ga...@kernel.crashing.org]
> Sent: Tuesday, September 18, 2012 1:35 PM
> To: Greg KH
> Cc: Liu Shengzhou-B36685; linuxppc-...@lists.ozlabs.org list; linux-
> u...@vger.kernel.org
> Subject: Re: [PATCH v2] powerpc/usb
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
> ---
> v2 changes: use spin_event_timeout() in
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
---
v2 changes: use spin_event_timeout() instead.
drivers/usb/host/ehci-fsl.c | 58 ++