From: <gregkh@linuxfoundation.org>
To: sebastian.krzyszkowiak@puri.sm,Frank.Li@nxp.com
Cc: <stable@vger.kernel.org>
Subject: FAILED: patch "[PATCH] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to" failed to apply to 5.10-stable tree
Date: Mon, 13 Apr 2026 14:13:10 +0200 [thread overview]
Message-ID: <2026041310-reluctant-amaretto-6070@gregkh> (raw)
The patch below does not apply to the 5.10-stable tree.
If someone wants it applied there, or to any other stable or longterm
tree, then please email the backport, including the original git commit
id to <stable@vger.kernel.org>.
To reproduce the conflict and resubmit, you may use the following commands:
git fetch https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/ linux-5.10.y
git checkout FETCH_HEAD
git cherry-pick -x 511f76bf1dce5acf8907b65a7d1bc8f7e7c0d637
# <resolve conflicts, build, test, etc.>
git commit -s
git send-email --to '<stable@vger.kernel.org>' --in-reply-to '2026041310-reluctant-amaretto-6070@gregkh' --subject-prefix 'PATCH 5.10.y' HEAD^..
Possible dependencies:
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From 511f76bf1dce5acf8907b65a7d1bc8f7e7c0d637 Mon Sep 17 00:00:00 2001
From: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Date: Sat, 21 Feb 2026 19:15:19 +0100
Subject: [PATCH] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to
0.85V
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The minimal voltage of VDD_SOC sourced from BUCK1 is 0.81V, which
is the currently set value. However, BD71837 only guarantees accuracy
of ±0.01V, and this still doesn't factor other reasons for actual
voltage to slightly drop in, resulting in the possibility of running
out of the operational range.
Bump the voltage up to 0.85V, which should give enough headroom.
Cc: stable@vger.kernel.org
Fixes: 8f0216b006e5 ("arm64: dts: Add a device tree for the Librem 5 phone")
Signed-off-by: Sebastian Krzyszkowiak <sebastian.krzyszkowiak@puri.sm>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
diff --git a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
index 7818d84f25a7..f5d529c5baf3 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq-librem5.dtsi
@@ -882,7 +882,7 @@ buck1_reg: BUCK1 {
regulator-ramp-delay = <1250>;
rohm,dvs-run-voltage = <900000>;
rohm,dvs-idle-voltage = <850000>;
- rohm,dvs-suspend-voltage = <810000>;
+ rohm,dvs-suspend-voltage = <850000>;
regulator-always-on;
};
next reply other threads:[~2026-04-13 12:13 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-13 12:13 gregkh [this message]
2026-04-13 14:57 ` [PATCH 5.10.y 1/7] arm64: dts: imx8mq-librem5-r3: workaround i2c1 issue with 1GHz cpu voltage Sasha Levin
2026-04-13 14:57 ` [PATCH 5.10.y 2/7] arm64: dts: imx8mq-librem5: Don't mark buck3 as always on Sasha Levin
2026-04-13 14:58 ` [PATCH 5.10.y 3/7] arm64: dts: imx8mq-librem5: set regulators boot-on Sasha Levin
2026-04-13 14:58 ` [PATCH 5.10.y 4/7] arm64: dts: imx8mq-librem5: Set the DVS voltages lower Sasha Levin
2026-04-13 14:58 ` [PATCH 5.10.y 5/7] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage to 0.81V Sasha Levin
2026-04-13 14:58 ` [PATCH 5.10.y 6/7] Revert "arm64: dts: imx8mq-librem5: Set the DVS voltages lower" Sasha Levin
2026-04-13 14:58 ` [PATCH 5.10.y 7/7] arm64: dts: imx8mq-librem5: Bump BUCK1 suspend voltage up to 0.85V Sasha Levin
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