mmc: mmci: internalize dma map/unmap into mmci dma functions
This patch internalizes the management of dma map/unmap into mmci dma interfaces. This allows to simplify and prepare the next dma callbacks for mmci host ops. mmci_dma_unmap was called in mmci_data_irq & mmci_cmd_irq functions and can be integrated in mmci_dma_data_error. Signed-off-by: NLudovic Barre <ludovic.barre@st.com> Signed-off-by: NUlf Hansson <ulf.hansson@linaro.org>
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