[GIT PULL] i.MX eCSPI errata handling for 5.15

[Shawn Guo]

The following changes since commit e73f0f0ee7541171d89f2e2491130c7771ba58d3:

  Linux 5.14-rc1 (2021-07-11 15:07:40 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git tags/imx-ecspi-5.15

for you to fetch changes up to 4e2b10be1f4fe06c9deaaf2c03a05abcff191791:

  dmaengine: imx-sdma: add terminated list for freed descriptor in worker (2021-07-23 11:20:06 +0800)

----------------------------------------------------------------
i.MX eCSPI errata handling for 5.15:

It includes all required changes for handling i.MX6/7 eCSPI errata
ERR009165, which causes FIFO transfer to be sent twice in DMA mode.
Both SPI and DMA maintainers agree to merge it through arm-soc tree.

----------------------------------------------------------------
Robin Gong (12):
      Revert "ARM: dts: imx6q: Use correct SDMA script for SPI5 core"
      Revert "ARM: dts: imx6: Use correct SDMA script for SPI cores"
      Revert "dmaengine: imx-sdma: refine to load context only once"
      dmaengine: imx-sdma: remove duplicated sdma_load_context
      dmaengine: dma: imx-sdma: add fw_loaded and is_ram_script
      dmaengine: imx-sdma: add mcu_2_ecspi script
      spi: imx: fix ERR009165
      spi: imx: remove ERR009165 workaround on i.mx6ul
      dmaengine: imx-sdma: remove ERR009165 on i.mx6ul
      dma: imx-sdma: add i.mx6ul compatible name
      dmaengine: imx-sdma: add uart rom script
      dmaengine: imx-sdma: add terminated list for freed descriptor in worker

 .../devicetree/bindings/dma/fsl-imx-sdma.txt       |  1 +
 arch/arm/boot/dts/imx6q.dtsi                       |  2 +-
 arch/arm/boot/dts/imx6qdl.dtsi                     |  8 +-
 drivers/dma/imx-sdma.c                             | 93 ++++++++++++++++------
 drivers/spi/spi-imx.c                              | 41 ++++++++--
 5 files changed, 111 insertions(+), 34 deletions(-)