[U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when missing USB PHY clock

[Andy Fleming]

Pinging you on this, again. Also, I've now moved the patch to Marek's
queue, instead of mine.

On Sun, Feb 26, 2012 at 8:44 PM, Liu Shengzhou-B36685
<B36685 at freescale.com> wrote:
>
>> -----Original Message-----
>> From: Marek Vasut [mailto:marex at denx.de]
>> Sent: Monday, February 27, 2012 7:13 AM
>> To: u-boot at lists.denx.de
>> Cc: Liu Shengzhou-B36685
>> Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when
>> missing USB PHY clock
>>
>> > when missing USB PHY clock and issuing "usb start" at u-boot prompt,
>> > writing to or_portsc register will cause CPU halt. We should check
>> > USBGP[PHY_CLK_VALID] bit at the first time in ehci_hcd_init() to
>> avoid
>> > CPU hang in this case.
>> >
>> > Signed-off-by: Shengzhou Liu <Shengzhou.Liu at freescale.com>
>> > ---
>> >  drivers/usb/host/ehci-fsl.c |   22 +++++++++++++++++++---
>> >  1 files changed, 19 insertions(+), 3 deletions(-)
>> >
>> Hi,
>>
>> what's the status of this patch/patchset?
>>
>> Thanks
>> M
>
> Currently we found that usb CTRL_PHY_CLK_VALID bit breaks on P1022 platform, which not contains this bit.
>  - P1023/P3041/P5020 etc, have this bit
>  - P3060/4080/PSC913x do have this bit, but not mentioned in RM.
>  - P1022(perhaps and other) has no this bit
> I'm waiting for the response from FSL silicon team to confirm whether there is other platform
> not including this bit or not, so this patch maybe have to be pending until I get confirmation.
>
> Thanks,
> Shengzhou
>
>
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