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Date: Mon, 5 Nov 2007 15:31:43 +0900 From: "Kyungmin Park" <kmpark@...radead.org> To: "David Brownell" <david-b@...bell.net> Cc: linux-omap-open-source@...ux.omap.com, linux-kernel@...r.kernel.org, kyungmin.park@...sung.com, tony@...mide.com Subject: Re: USB device DMA support on OMAP2 On 11/5/07, David Brownell <david-b@...bell.net> wrote: > > The current omap udc dosen't support the DMA mode > > It most certainly does!! I think you it has DMA issues on OMAP2. > Ah, Yes, OMAP1 supports the DMA mode. It means the OMAP2 DMA support. > > > and it has some problem at setup time on OMAP2 with previous patch file. > > I found that the code assumes bulk out required the big data transfer. > > But MODE SELECT(6) sent the only 24 bytes. it makes a problem. > > So I implement the small packets handling for it. > > > > It is tested with both linux and windows. > > > > Signed-off-by: Kyungmin Park <kyungmin.park@...sung.com> > > I'll have a look at it, thanks. > > Is this aginst the linux-omap tree, or current kernel.org code? > (There _shouldn't_ be any differences, but I've not checked in > some time now and such issues do creep in from time to time.) > There's some difference related with double buffering. It's against the latest kernel code. I checked it. Thank you, Kyungmin Park - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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