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    SubjectRe: USB device DMA support on OMAP2
    On 11/5/07, David Brownell <david-b@pacbell.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@samsung.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
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