> Subject: Re: [PATCH v3 0/4] HS400 and HS400ES support for Exynos > DW-MMC drivers > > 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 <[email protected]> > > 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.
I see this patchset was delegated to prom, not mmc maintainer. Minkyu may pick it up? https://patchwork.ozlabs.org/project/uboot/list/?submitter=88698¶m=state&order=submitter Regards Peng

