spi: sprd: spi: sprd: Add DMA mode support

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Add DMA mode support for the Spreadtrum SPI controller, and we will enable
SPI interrupt to help to complete the SPI transfer work in DMA mode.

Signed-off-by: Lanqing Liu <lanqing.liu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>

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Lanqing Liu 2019-02-13 15:36:11 +08:00 • committed by Mark Brown

parent 6dcb144f7d

commit 386119bc7b

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1 changed files with 290 additions and 3 deletions

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drivers/spi/spi-sprd.c

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