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Merge patch series "scsi: ufs: renesas: Add support for R-Car S4-8 ES1.2"

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Geert Uytterhoeven <geert+renesas@glider.be> says:

	Hi all,

Initialization of the UFS controller on R-Car S4-8 ES1.0 requires only
static values.  However, other UFS controller variants (R-Car S4-8 ES 1.2)
require dynamic values, like those obtained from E-FUSE, and downloading
firmware.

Hence this patch series refactors the initialization code to prepare for
this, and adds support for the UFS controller on R-Car S4-8 ES1.2.
The accompanying DTS change is available at [1].

This has been tested on:
  - Renesas Spider with R-Car S4-8 ES1.0 (broken before/after),
  - Renesas S4 Starter Kit with R-Car S4-8 ES1.2 (works after).

Thanks for your comments!

[1] "[PATCH] arm64: dts: renesas: r8a779f4: Add UFS tuning parameters in
     E-FUSE"
    https://lore.kernel.org/3e4fca228eb049d54a1ae520104558505dbdf803.1741179629.git.geert+renesas@glider.be
[2] "[PATCH v2 0/5] scsi: ufs: renesas: Refactor code for other UFS
     controller"
    https://lore.kernel.org/20240709023550.1750333-1-yoshihiro.shimoda.uh@renesas.com
[3] "[PATCH 0/5] scsi: ufs: renesas: Refactor code for other UFS
     controller"
    https://lore.kernel.org/20240708120931.1703956-1-yoshihiro.shimoda.uh@renesas.com

Link: https://lore.kernel.org/r/cover.1741179611.git.geert+renesas@glider.be
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Martin K. Petersen 2025-03-10 21:36:30 -04:00
commit ffd6c17928
2 changed files with 445 additions and 290 deletions
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