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[107.198.5.8]) by smtp.gmail.com with ESMTPSA id 00721157ae682-7cc991c98d9sm60851307b3.10.2026.05.20.18.09.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 May 2026 18:09:59 -0700 (PDT) From: Michael Scott To: linux-arm-msm@vger.kernel.org Cc: vkoul@kernel.org, neil.armstrong@linaro.org, dmitry.baryshkov@oss.qualcomm.com, wesley.cheng@oss.qualcomm.com, abelvesa@kernel.org, faisal.hassan@oss.qualcomm.com, linux-phy@lists.infradead.org, andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, devicetree@vger.kernel.org, val@packett.cool, bryan.odonoghue@linaro.org, laurentiu.tudor1@dell.com, alex.vinarskis@gmail.com, linux-kernel@vger.kernel.org, Michael Scott , stable@vger.kernel.org Subject: [PATCH v2 3/4] arm64: dts: qcom: x1-dell-thena: mark l12b and l15b always-on Date: Wed, 20 May 2026 18:09:34 -0700 Message-ID: <20260521010935.1333494-4-mike.scott@oss.qualcomm.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260521010935.1333494-1-mike.scott@oss.qualcomm.com> References: <20260521010935.1333494-1-mike.scott@oss.qualcomm.com> MIME-Version: 1.0 X-Proofpoint-GUID: ZgXPMkCuESZXeiSfZF7_4sI1M1jpDWcq X-Proofpoint-ORIG-GUID: ZgXPMkCuESZXeiSfZF7_4sI1M1jpDWcq X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIxMDAwOCBTYWx0ZWRfXzSjx9UrrWGWu dGyEY8+aEPGigcyCltbEfVKUaswfyV/10DcQLL0EmXbkeQXhDYROv+SwrRdj7cxuXmV1N9X2/yd bEWpQm4RgVsbWvw0W3gHhxB9kzUSad6mGTRpOv/1Z94Ume0VhU3AFOZ1I3ul2uEHaZ8jvNEt5xQ gaQfjirkH6mjnXmcFu0OsbD00untjaEQvW0/vM8gBWlSlPFB09d1cyIjcNlCjgAxkpkj4C5Mx2L Ya4uyt1YDWJ1OrMF1NevnVocN6sKhiemxfim4Bu8tkj+s26tIl6f2jPRDQMCe/BbxPKzaxjSrZ5 8B2T6z8li6WfjckExaTYkEQaCNaiI1H/ulFeBZftqaQ2MLme2NudvgBk5wIpTqqH20oOexV1vS1 XQnOUXOxGoPoroZ1SmOyG320D551iEfJFvdii29y+qsb4i6ijl3ocF0E53dG5b2YH5pkrbMgdes AmnTIifXBDoI/PIFOlw== X-Authority-Analysis: v=2.4 cv=FesHAp+6 c=1 sm=1 tr=0 ts=6a0e5b69 cx=c_pps a=g1v0Z557R90hA0UpD/5Yag==:117 a=cdagev08qavQYXHyx3V8vg==:17 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=CbK1FIr4-MOfYfEwsVEA:9 a=MFSWADHSvvjO3QEy5MdX:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-05-20_03,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 adultscore=0 clxscore=1015 priorityscore=1501 phishscore=0 bulkscore=0 suspectscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605210008 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260520_181001_963935_ECF54A9A X-CRM114-Status: GOOD ( 13.71 ) X-BeenThere: linux-phy@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Linux Phy Mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org 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. Note that these supplies currently have no consumers described in mainline for dell-thena beyond the audio codec (vdd-buck/vdd-rxtx/ vdd-io on wcd938x), which can release them when the codec goes idle. The board-level gpio-fixed regulators that feed the Type-C retimer's VDDIO and other rails are not described with a vin-supply link, so the kernel cannot keep their parent LDOs alive on its own. This mirrors the same change Johan Hovold applied to every other X1E80100 board in a March 2025 series; commit 63169c07d740 ("arm64: dts: qcom: x1e80100-dell-xps13-9345: mark l12b and l15b always-on") is representative. The dell-thena board file was introduced four months later and did not inherit that change; this patch closes the gap. Fixes: e7733b42111c ("arm64: dts: qcom: Add support for Dell Inspiron 7441 / Latitude 7455") Cc: stable@vger.kernel.org Signed-off-by: Michael Scott --- arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi index db291730130c..d6de4da02dcd 100644 --- a/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi +++ b/arch/arm64/boot/dts/qcom/x1-dell-thena.dtsi @@ -589,6 +589,7 @@ vreg_l12b_1p2: ldo12 { regulator-min-microvolt = <1200000>; regulator-max-microvolt = <1200000>; regulator-initial-mode = ; + regulator-always-on; }; vreg_l13b_3p0: ldo13 { @@ -610,6 +611,7 @@ vreg_l15b_1p8: ldo15 { regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-initial-mode = ; + regulator-always-on; }; }; -- 2.53.0 -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy