> -Original Message-
> From: Marek Vasut [mailto:ma...@denx.de]
> Sent: Tuesday, October 16, 2012 2:23 PM
> To: Liu Shengzhou-B36685
> Cc: Andy Fleming; u-boot@lists.denx.de
> Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when
> missing USB PH
Dear Liu Shengzhou-B36685,
> Hello guys,
>
> I didn't get an explicit list from silicon team to point out which
> platforms contain this PHY_CLK_VALID bit or not, Someone said all
> platforms have this bit, it's not true, at least we found P4080 and P1022
> no this bit. I'll trace it later.
>
>
o:ma...@denx.de]
> > Sent: Thursday, April 19, 2012 6:57 AM
> > To: Andy Fleming
> > Cc: Liu Shengzhou-B36685; u-boot@lists.denx.de
> > Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when
> > missing USB PHY clock
> >
> > Dear Andy Fleming,
&
denx.de
> Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when missing
> USB PHY clock
>
> Dear Andy Fleming,
>
> > Pinging you on this, again. Also, I've now moved the patch to Marek's
> > queue, instead of mine.
>
> Thanks! Did the FSL sili
l Message-
> >> From: Marek Vasut [mailto:ma...@denx.de]
> >> Sent: Monday, February 27, 2012 7:13 AM
> >> To: u-boot@lists.denx.de
> >> Cc: Liu Shengzhou-B36685
> >> Subject: Re: [U-Boot] [PATCH] powerpc/usb: fix bug of CPU halt when
> >> miss
27, 2012 7:13 AM
>> To: u-boot@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,
&g
> -Original Message-
> From: Marek Vasut [mailto:ma...@denx.de]
> Sent: Monday, February 27, 2012 7:13 AM
> To: u-boot@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
> ---
> drivers/usb/host/
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
---
drivers/usb/host/ehci-fsl.c | 2
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