spi: spi-qcom-qspi: Add DMA mode support
authorVijaya Krishna Nivarthi <quic_vnivarth@quicinc.com>
Mon, 24 Apr 2023 09:32:41 +0000 (15:02 +0530)
committerMark Brown <broonie@kernel.org>
Sun, 7 May 2023 23:50:40 +0000 (08:50 +0900)
commitb5762d95607e74eec91ef39c7902f127c80d43aa
treee56843f579c51bb9d8f53a99520d8b8343d673d7
parent64c05eb3a0f4d80e3e4deea5afa4ce6f48f5894c
spi: spi-qcom-qspi: Add DMA mode support

Current driver supports only PIO mode.

HW supports DMA, so add DMA mode support to the driver
for better performance for larger xfers.

Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@quicinc.com
Reviewed-by: Douglas Anderson <dianders@chromium.org
Link: https://lore.kernel.org/r/1682328761-17517-6-git-send-email-quic_vnivarth@quicinc.com
Signed-off-by: Mark Brown <broonie@kernel.org
drivers/spi/spi-qcom-qspi.c