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(parent: 3629c71) | patch
spi: cadence_qspi: Add support for DMA reads
authorSiva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Sat, 11 Aug 2018 08:52:37 +0000 (14:22 +0530)
committerMichal Simek <michal.simek@xilinx.com>
Wed, 27 Feb 2019 07:50:38 +0000 (08:50 +0100)
commit075605d57e2814be35cbdb3d617cb53971a0f5d5
treeb8061b913782f96152c0a5af470c2e706290c96atree
parent3629c717e2402758c87072a701c512431e2a87eccommit | diff
spi: cadence_qspi: Add support for DMA reads

This patch adds support for DMA read operation if controller
supports it which is determined by reading DT property "cdns,is-dma".
This patch provides hooks for vendor specific DMA routines as the
cadence qspi controller supports external DMA which is vendor specific.

Signed-off-by: Siva Durga Prasad Paladugu <siva.durga.paladugu@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
drivers/spi/cadence_qspi.c diff | blob | blame | history
drivers/spi/cadence_qspi.h diff | blob | blame | history
drivers/spi/cadence_qspi_apb.c diff | blob | blame | history
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