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| author | Vignesh Raghavendra <[email protected]> | 2020-08-31 13:07:20 +0000 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-09-08 14:20:10 +0000 |
| commit | 83048015ff7710b46e7c489458a93c6fe348229d (patch) | |
| tree | 56a3c619fca0fe1489c99ba60421697efb2d2f54 /drivers/spi/spi.c | |
| parent | spi: stm32: Rate-limit the 'Communication suspended' message (diff) | |
| download | kernel-83048015ff7710b46e7c489458a93c6fe348229d.tar.gz kernel-83048015ff7710b46e7c489458a93c6fe348229d.zip | |
spi: spi-cadence-quadspi: Fix mapping of buffers for DMA reads
Buffers need to mapped to DMA channel's device pointer instead of SPI
controller's device pointer as its system DMA that actually does data
transfer.
Data inconsistencies have been reported when reading from flash
without this fix.
Fixes: ffa639e069fb ("mtd: spi-nor: cadence-quadspi: Add DMA support for direct mode reads")
Signed-off-by: Vignesh Raghavendra <[email protected]>
Tested-by: Jan Kiszka <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'drivers/spi/spi.c')
0 files changed, 0 insertions, 0 deletions