spi: qup: Add DMA capabilities
This patch adds DMA capabilities to the spi-qup driver. If DMA channels are present, the QUP will use DMA instead of block mode for transfers to/from SPI peripherals for transactions larger than the length of a block. Signed-off-by:Andy Gross <agross@codeaurora.org> Signed-off-by:
Stanimir Varbanov <stanimir.varbanov@linaro.org> Reviewed-by:
Ivan T. Ivanov <iivanov@mm-sol.com> Signed-off-by:
Mark Brown <broonie@kernel.org>
parent
c517d838