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H A D | spi-cadence-quadspi.c | 83048015 Mon Aug 31 08:07:20 CDT 2020 Vignesh Raghavendra <vigneshr@ti.com> 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 <vigneshr@ti.com> Tested-by: Jan Kiszka <jan.kiszka@siemens.com> Link: https://lore.kernel.org/r/20200831130720.4524-1-vigneshr@ti.com Signed-off-by: Mark Brown <broonie@kernel.org> 83048015 Mon Aug 31 08:07:20 CDT 2020 Vignesh Raghavendra <vigneshr@ti.com> 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 <vigneshr@ti.com> Tested-by: Jan Kiszka <jan.kiszka@siemens.com> Link: https://lore.kernel.org/r/20200831130720.4524-1-vigneshr@ti.com Signed-off-by: Mark Brown <broonie@kernel.org>
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