Re: [PATCH 4/5] musb: use system DMA for unaligned buffers on RTL >= 1.8

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On Thu, May 13, 2010 at 09:44:11AM +0530, Gupta, Ajay Kumar wrote:
> Hi,
> > -----Original Message-----
> > From: Felipe Balbi [mailto:me@xxxxxxxxxxxxxxx]
> > Sent: Wednesday, May 12, 2010 11:26 PM
> > To: Sergei Shtylyov
> > Cc: Gupta, Ajay Kumar; linux-usb@xxxxxxxxxxxxxxx; linux-
> > omap@xxxxxxxxxxxxxxx
> > Subject: Re: [PATCH 4/5] musb: use system DMA for unaligned buffers on RTL
> > >= 1.8
> > 
> > On Wed, May 12, 2010 at 06:59:52PM +0400, Sergei Shtylyov wrote:
> > >    Better wrap your stuff into #ifdef OMAP, I think...
> > 
> > please don't, better to use the bounce buffer... It would work on
> > blackfin, davinci and omap...
> 
> Just working is not enough. We need to think of performance and cpu
> loading as well.

allocating a bounce buffer doesn't take long and you can still use
mentor DMA to transfer the data.

-- 
balbi
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