6.15-stable review patch. If anyone has any objections, please let me know.
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[ Upstream commit 673fa129e558c5f1196adb27d97ac90ddfe4f19c ]
The l12b and l15b supplies are used by components that are not (fully) described (and some never will be) and must never be disabled.
Mark the regulators as always-on to prevent them from being disabled, for example, when consumers probe defer or suspend.
Fixes: 7d1cbe2f4985 ("arm64: dts: qcom: Add X1E78100 ThinkPad T14s Gen 6") Cc: stable@vger.kernel.org # 6.12 Reviewed-by: Konrad Dybcio konrad.dybcio@oss.qualcomm.com Signed-off-by: Johan Hovold johan+linaro@kernel.org Link: https://lore.kernel.org/r/20250314145440.11371-3-johan+linaro@kernel.org Signed-off-by: Bjorn Andersson andersson@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts index b2c2347f54fa6..7f756ce48d2f6 100644 --- a/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts +++ b/arch/arm64/boot/dts/qcom/x1e78100-lenovo-thinkpad-t14s.dts @@ -344,6 +344,7 @@ vreg_l12b_1p2: ldo12 { regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; + regulator-always-on; };
vreg_l13b_3p0: ldo13 { @@ -365,6 +366,7 @@ vreg_l15b_1p8: ldo15 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-initial-mode = <RPMH_REGULATOR_MODE_HPM>; + regulator-always-on; };
vreg_l17b_2p5: ldo17 {