linux-kernel - Re: [PATCH] arm64: dts: amlogic: sm1-bananapi: lower SD card speed for stability

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Message-Id: <175699251033.3374853.7119442456595565513.b4-ty@linaro.org>
Date: Thu, 04 Sep 2025 15:28:30 +0200
From: Neil Armstrong <neil.armstrong@...aro.org>
To: Kevin Hilman <khilman@...libre.com>, 
 Jerome Brunet <jbrunet@...libre.com>, 
 Martin Blumenstingl <martin.blumenstingl@...glemail.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-amlogic@...ts.infradead.org, 
 linux-kernel@...r.kernel.org, Christian Hewitt <christianshewitt@...il.com>
Subject: Re: [PATCH] arm64: dts: amlogic: sm1-bananapi: lower SD card speed
 for stability

Hi,

On Mon, 05 May 2025 14:37:00 +0000, Christian Hewitt wrote:
> Users report being able to boot (u-boot) from SD card but kernel
> init then fails to mount partitions on the card containing boot
> media resulting in first-boot failure. System logs show only the
> probe of the mmc devices: the SD card is seen, but no partitions
> are found so init fails to mount them and boot stalls.
> 
> Reducing the speed of the SD card from 50MHz to 35MHz results in
> complete probing of the card and successful boot.
> 
> [...]

Thanks, Applied to https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git (v6.18/arm64-dt)

[1/1] arm64: dts: amlogic: sm1-bananapi: lower SD card speed for stability
      https://git.kernel.org/amlogic/c/916fa558cb27182933fdfe82d6d84b437e69349c

These changes has been applied on the intermediate git tree [1].

The v6.18/arm64-dt branch will then be sent via a formal Pull Request to the Linux SoC maintainers
for inclusion in their intermediate git branches in order to be sent to Linus during
the next merge window, or sooner if it's a set of fixes.

In the cases of fixes, those will be merged in the current release candidate
kernel and as soon they appear on the Linux master branch they will be
backported to the previous Stable and Long-Stable kernels [2].

The intermediate git branches are merged daily in the linux-next tree [3],
people are encouraged testing these pre-release kernels and report issues on the
relevant mailing-lists.

If problems are discovered on those changes, please submit a signed-off-by revert
patch followed by a corrective changeset.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/amlogic/linux.git
[2] https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
[3] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git

-- 
Neil