RE: [PATCH V5] Powerpc eSDHC Recover from the ADMA error

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New patch had sent. Pls Review.

Thanks Chris.

Regards
Haijun.


> -----Original Message-----
> From: Chris Ball [mailto:cjb@xxxxxxxxxx]
> Sent: Tuesday, December 04, 2012 10:48 AM
> To: Zhang Haijun-B42677
> Cc: linux-mmc@xxxxxxxxxxxxxxx; Huang Changming-R66093
> Subject: Re: [PATCH V5] Powerpc eSDHC Recover from the ADMA error
> 
> Hi,
> 
> On Thu, Nov 29 2012, Haijun Zhang wrote:
> > A-003500: False ADMA Error might be reported when ADMA is used for
> > multiple block read command with Stop at Block Gap. If PROCTL[SABGREQ]
> > is set when the particular block's data is received by the System side
> > logic before entire block(with CRC) data is received by the SD side
> > logic, and also if ADMA descriptor line is fetched at the same time,
> > then DMA engine might report false ADMA error. eSDHC might not be able
> > to Continue(PROCTL[CREQ]=1)after Stop at Block Gap.
> > This issue will impact the eSDHC IP VVN2.3.
> >
> > Signed-off-by: Haijun Zhang <Haijun.Zhang@xxxxxxxxxxxxx>
> > Signed-off-by: Jerry Huang <Chang-Ming.Huang@xxxxxxxxxxxxx>
> > Acked-by: Anton Vorontsov <cbouatmailru@xxxxxxxxx>
> > CC: Chris Ball <cjb@xxxxxxxxxx>
> 
> This doesn't apply to mmc-next; please fix and resend.
> 
> Thanks,
> 
> - Chris.
> --
> Chris Ball   <cjb@xxxxxxxxxx>   <http://printf.net/>
> One Laptop Per Child


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