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| author | Addy Ke <addy.ke@rock-chips.com> | 2016-01-22 14:06:52 +0300 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-02-09 06:31:42 +0300 |
| commit | 80abf8880cc6e1594c11b7c417f22dde60e25312 (patch) | |
| tree | 60f88bf2b78f95530d3197854b3e2dd8f6ac8e06 /drivers/dma/pl330.c | |
| parent | 86a8ce7d4103f6680236af6916abf38e12477df8 (diff) | |
| download | linux-80abf8880cc6e1594c11b7c417f22dde60e25312.tar.xz | |
spi: rockchip: modify DMA max burst to 1
Generic dma controller on Rockchips' platform cannot support
DMAFLUSHP instruction which make dma to flush the req of non-aligned
or non-multiple of what we need. That will cause an unrecoverable
dma bus error. The saftest way is to set dma max burst to 1.
Signed-off-by: Addy ke <addy.ke@rock-chips.com>
Fixes: 64e36824b32b06 ("spi/rockchip: add driver for Rockchip...")
Signed-off-by: Shawn Lin <shawn.lin@rock-chips.com>
cc: Heiko Stuebner <heiko@sntech.de>
cc: Olof Johansson <olof@lixom.net>
cc: Doug Anderson <dianders@chromium.org>
cc: Sonny Rao <sonnyrao@chromium.org>
Acked-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/pl330.c')
0 files changed, 0 insertions, 0 deletions