Re: musb: handling Blackfin anomaly 05000450

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Hi,

On Mon, Mar 28, 2011 at 05:26:46AM -0400, Mike Frysinger wrote:
> >> any ideas on how to get this workaround merged ?  another idea i had
> >> was that we could add a hook to the top of dma_channel_program to let
> >> targets muck with the arguments ... the Blackfin code would just need
> >> to do something like this at the start of the func:
> >> +   if (musb_channel->transmit && channel->desired_mode == 1)
> >> +       len = len - (len % packet_sz);
> >
> > is that IP-related or Blackfin-only ? I mean, does this bug affects all
> > MUSB of a particular RTL version or only the Blackfin ones ?
> 
> our understanding of the issue is that it is Blackfin specific.  seems
> to be related to our internal bus/dma connections to the musb ip.

ok. So we need a way to understand we need to apply that workaround only
on blackfin. There we go with another blackfin-only driver flag...

-- 
balbi
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