[PATCH v4 0/2] mmc: mediatek: add support for 64-steps tuning

[Axe Yang]

Change in v4:
- for SD/SDIO, tune 64 steps by default
- reduce some breaks to improve code readability

Change in v3:
- use BIT_ULL() instead of BIT() to avoid potential left shift operations
  that could cause exceed boundary problem on 32-bit platforms

Change in v2:
- move the change made to document to the front
- change mediatek,tune-step dts property type to enum for better scalability

Axe Yang (2):
  dt-bindings: mmc: mtk-sd: add tuning steps related property
  mmc: mediatek: extend number of tuning steps

 .../devicetree/bindings/mmc/mtk-sd.yaml       |   9 +
 drivers/mmc/host/mtk-sd.c                     | 158 ++++++++++++------
 2 files changed, 119 insertions(+), 48 deletions(-)

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2.18.0