simplify mmc_davinci_send_dma_request()
Simplify mmc_davinci_send_dma_request() by relying on constraints provided through its call stack. Document those constraints a bit better. Lift the unnecessary constraint that blocks not cross scatterlist segments. If we handle multi-segment transfers at all, there's no need for such a restriction. (This is a code shrink that *should* change no behavior.) Signed-off-by: David Brownell <dbrownell@users.sourceforge.net> Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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