[PATCH v4 0/2] spi: dw: DW SPI DMA Driver updates

[Joy Chakraborty]

This Patch series adds support for 32 bits per word trasfers using DMA
and some defensive checks around dma controller capabilities.
---
V1 Changes : Add support for AxSize=4 bytes to support 32bits/word.
---
V1->V2 Changes : Add dma capability check to make sure address widths
are supported.
---
V2->V3 Changes : Split changes , add DMA direction check and other
cosmetic chnages.
---
V3->V4 Changes : Fix Sparce Warning
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Link: https://lore.kernel.org/oe-kbuild-all/202303270715.w9sMJhIh-lkp@xxxxxxxxx/
---

Joy Chakraborty (2):
  spi: dw: Add 32 bpw support to DW DMA Controller
  spi: dw: Add dma controller capability checks

 drivers/spi/spi-dw-dma.c | 67 +++++++++++++++++++++++++++++++---------
 drivers/spi/spi-dw.h     |  1 +
 2 files changed, 53 insertions(+), 15 deletions(-)

-- 
2.40.0.348.gf938b09366-goog