[PATCH v3 0/4] HS400 and HS400ES support for Exynos DW-MMC drivers

[Kaustabh Chakraborty]

On 2026-06-13 13:13 +05:30, Kaustabh Chakraborty wrote:
> Since upstream dts version v7.0+, Exynos 7870 devices have an explicit
> `bus-width = <8>` property. This results in the U-Boot driver trying to
> initialize the HS400 mode, which appears to fail. The HS400 support
> added in the DW-MMC Exynos driver appears to have an incomplete init
> sequence.
>
> This patch series adds the missing pieces to enable HS400 support, and
> additionally adds support for HS400ES too.
>
> The last patch in the series also enables HS400ES support in the
> exynos-mobile defconfig.
>
> Signed-off-by: Kaustabh Chakraborty <kauschluss at disroot.org>

Just a bump; failure to pull this series would render upstream stable
U-Boot v2026.07 on the Samsung Galaxy J7 Prime (samsung-on7xelte) unable
to load any operating system due to lack of a storage device.

As of yet I do not see the series in master, next, nor in the MMC Custodian tree.