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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-60c2f4975a1sm1007741a12.68.2025.06.24.05.53.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 24 Jun 2025 05:53:54 -0700 (PDT) Message-ID: <9012d2f2-b9b0-4fca-a047-5b5adb921ccb@oss.qualcomm.com> Date: Tue, 24 Jun 2025 14:53:51 +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 v3 3/8] firmware: qcom: uefisecapp: add support for R/O UEFI vars To: Dmitry Baryshkov , Bjorn Andersson , Maximilian Luz , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Ard Biesheuvel Cc: Johan Hovold , Steev Klimaszewski , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-efi@vger.kernel.org References: <20250624-more-qseecom-v3-0-95205cd88cc2@oss.qualcomm.com> <20250624-more-qseecom-v3-3-95205cd88cc2@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250624-more-qseecom-v3-3-95205cd88cc2@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjI0MDEwOCBTYWx0ZWRfXz2yOU5n2+KQX cq5p8ZPcqtET8HQRC8J9RbwytP5GH2R3dfWHoZtfXP4ikXfKFDzfhV9+v/SYYt0ZkrHOwbRxDuI 97RlxEUuv/9mTSGnaXZ16aT7bmbKAd9KyXqLSTjnij/Cgvzvx7UiJHRnAU0mITjNwIsUTGPjlQ2 AXiDQ9KKbSh9mz/lNZVrWr/8tREaDaUFNxDZW3yf2xEAuLkx45o+jyNRVojBwqOzvk+RhUc6mrC J74R1PJnWTr/lEIk/+/reZSkNQbtmin20gnMf615YD6CRn7Hbbnfp64tMSoRzY5kKpMp9c7VElS Ko/jrY6aXtISm53nyu9YzcETKwkVRL3KQM7bv5sUSbjcptHrHwnW8AiIQk4iRIW4tXsS/NTHmvy XAVtW7JREd5aoUpb7p5s3qD4ExFA//1tdu1X68FKfZgpUB9QB78s6drL7RjjqkV5nTF0oK98 X-Proofpoint-ORIG-GUID: 9JT-cYlXDxalXiP7FuK2GM4TLflRp39z X-Proofpoint-GUID: 9JT-cYlXDxalXiP7FuK2GM4TLflRp39z X-Authority-Analysis: v=2.4 cv=A8BsP7WG c=1 sm=1 tr=0 ts=685a9fe4 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=EUspDBNiAAAA:8 a=aztlNrSj1wai7b1BO2MA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.7,FMLib:17.12.80.40 definitions=2025-06-24_05,2025-06-23_07,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 mlxlogscore=937 malwarescore=0 spamscore=0 bulkscore=0 phishscore=0 adultscore=0 impostorscore=0 suspectscore=0 mlxscore=0 clxscore=1015 priorityscore=1501 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506240108 On 6/24/25 4:13 AM, Dmitry Baryshkov wrote: > For some platforms (e.g. Lenovo Yoga C630) we don't yet know a way to > update variables in the permanent storage. However being able to read > the vars is still useful as it allows us to get e.g. RTC offset. > > Add a quirk for QSEECOM specifying that UEFI variables for this platform > should be registered in read-only mode. > > Signed-off-by: Dmitry Baryshkov > --- Reviewed-by: Konrad Dybcio Konrad