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Federico Vaga committed 85ed4f43db8
Documentation :dmaengine: clarify DMA desc. pointer after submission It clarifies that the DMA description pointer returned by `dmaengine_prep_*` function should not be used after submission. Signed-off-by: Federico Vaga <federico.vaga@cern.ch> Signed-off-by: Vinod Koul <vkoul@kernel.org>