From: "Kaustabh Chakraborty" <kauschluss@disroot.org>
To: "Kaustabh Chakraborty" <kauschluss@disroot.org>,
"Peng Fan" <peng.fan@nxp.com>, <u-boot@lists.denx.de>
Cc: "Minkyu Kang" <mk7.kang@samsung.com>,
"Tom Rini" <trini@konsulko.com>,
"Jaehoon Chung" <jh80.chung@samsung.com>,
"Anand Moon" <linux.amoon@gmail.com>,
"Sam Protsenko" <semen.protsenko@linaro.org>,
"Lukas Timmermann" <uboot@timmermann.space>,
"Henrik Grimler" <henrik@grimler.se>
Subject: Re: [PATCH v3 0/4] HS400 and HS400ES support for Exynos DW-MMC drivers
Date: Sun, 21 Jun 2026 23:07:24 +0530 [thread overview]
Message-ID: <DJEWROG7MD9R.MXZLB9VZ1KGA@disroot.org> (raw)
In-Reply-To: <20260613-dwmmc-exynos-hs400-es-v3-0-d23afa0ad417@disroot.org>
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@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.
next prev parent reply other threads:[~2026-06-21 19:03 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-06-13 7:43 [PATCH v3 0/4] HS400 and HS400ES support for Exynos DW-MMC drivers Kaustabh Chakraborty
2026-06-13 7:43 ` [PATCH v3 1/4] mmc: exynos_dw_mmc: add proper init sequence for HS400 support Kaustabh Chakraborty
2026-06-13 7:43 ` [PATCH v3 2/4] mmc: dw_mmc: setup set_enhanced_strobe ops in driver Kaustabh Chakraborty
2026-06-13 7:44 ` [PATCH v3 3/4] mmc: exynos_dw_mmc: add support for HS400ES Kaustabh Chakraborty
2026-06-13 7:44 ` [PATCH v3 4/4] configs: exynos-mobile: enable support for HS400ES in MMC driver Kaustabh Chakraborty
2026-06-21 17:37 ` Kaustabh Chakraborty [this message]
2026-06-22 0:32 ` [PATCH v3 0/4] HS400 and HS400ES support for Exynos DW-MMC drivers Peng Fan
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