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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-68310b3e8e5sm9082419a12.4.2026.05.21.01.57.22 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 21 May 2026 01:57:25 -0700 (PDT) Message-ID: <890213e2-8e9f-42c6-a59d-77ba2049e979@oss.qualcomm.com> Date: Thu, 21 May 2026 10:57:21 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 10/11] arm64: dts: qcom: sc8280xp-arcata: Switch to uefi rtc offset To: jerome.debretagne@gmail.com, Douglas Anderson , Neil Armstrong , Jessica Zhang , Maarten Lankhorst , Maxime Ripard , Thomas Zimmermann , David Airlie , Simona Vetter , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, Krzysztof Kozlowski , Johan Hovold References: <20260520-surface-sp9-5g-for-next-v1-0-9df52552bf87@gmail.com> <20260520-surface-sp9-5g-for-next-v1-10-9df52552bf87@gmail.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260520-surface-sp9-5g-for-next-v1-10-9df52552bf87@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: 3mo1ajPe-Xh_LfQisJw4CQ9c7_Ql5nW1 X-Authority-Analysis: v=2.4 cv=e5k2j6p/ c=1 sm=1 tr=0 ts=6a0ec8f8 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=pGLkceISAAAA:8 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=S3QPRrZGCkirkA1mjOoA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTIxMDA4NyBTYWx0ZWRfX2HZfW91RJcqf izVn5xLsMl1zjWU9qFvNcSqNrk1c3jxtKAFb1cZ8PeCwXtD3AUyJQJqZf0LP2yAtM5CzUsgApmI 3JuVDAELyPbOHNk5he13dJJ9j0HRM6uxqxnHaCU9qpOYbRk39SjUXBy3lNls+XNtQQPej+Me5UV RXqKxup4SiaguX7p8nxoPEYMoyOOniYgWgcppyteegmfzBJcoPFfptoWPXVMh9Q7zM+IOXLXl5e jPlUaLyFYLjYNHiumfb4RBLGMS+LoOg7LIic8fDIVGMQ2z0Vp6qMW7DYfuQKoWT6xM5Kiq7XqZ7 x4c0mLZ17rKQ0/7eYY90BJchp3aMO8Dqrrz+RsR3l5zT3y4bbwb5O4wYB3qXOO/i4BWhweyzWG4 B392hP2PgDXj51LP5RP9XXEMGxbbjdplIwrQdlnG241QS/8oHBcEwuCvueIrH3UWqq1xUZJGP09 p7TgJ2MxVKDUZjxxreQ== X-Proofpoint-GUID: 3mo1ajPe-Xh_LfQisJw4CQ9c7_Ql5nW1 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=2026-05-21_01,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 phishscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605210087 On 5/20/26 6:40 PM, Jérôme de Bretagne via B4 Relay wrote: > From: Jérôme de Bretagne > > Align with the reference implementation from the ThinkPad X13s: > > Switch to using the Qualcomm specific UEFI variable that is used by the > UEFI firmware (and Windows) to store the RTC offset. > > Use the new 'qcom,uefi-rtc-info' property to indicate that the offset is > stored in a UEFI variable so that the OS can determine whether to wait > for it to become available. > > Cc: Johan Hovold > Signed-off-by: Jérôme de Bretagne > --- Reviewed-by: Konrad Dybcio Konrad