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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-ae053ee4c90sm698271566b.62.2025.06.23.03.36.02 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 23 Jun 2025 03:36:04 -0700 (PDT) Message-ID: <00e367e6-56bd-4ce6-8a1a-d74b90609a7f@oss.qualcomm.com> Date: Mon, 23 Jun 2025 12:36:02 +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 v2 3/4] firmware: qcom: enable QSEECOM on Lenovo Yoga C630 To: Dmitry Baryshkov , Bjorn Andersson , Maximilian Luz , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20250621-more-qseecom-v2-0-6e8f635640c5@oss.qualcomm.com> <20250621-more-qseecom-v2-3-6e8f635640c5@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20250621-more-qseecom-v2-3-6e8f635640c5@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: _BPqeRxyozcJ6-3y-Xx1jshQ5tNzILin X-Proofpoint-ORIG-GUID: _BPqeRxyozcJ6-3y-Xx1jshQ5tNzILin X-Authority-Analysis: v=2.4 cv=eco9f6EH c=1 sm=1 tr=0 ts=68592e16 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6IFa9wvqVegA:10 a=EUspDBNiAAAA:8 a=_iSA65KrAhrjOTfTvEcA:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwNjIzMDA2MyBTYWx0ZWRfX2WZFtZrUMYPZ SWhOHcWdTDoPGoQNoIUmA76K7kq85ihhmk5IQMLGZydoB/cNg75uEaCCzTcyz5as0gcrLwnr6if MFzX9x1T3gcJ5z3hbIcJA0FSrLcBcgsdN20XZrdelO4oGrSMBXh5F3Bq+ZCikxTkKKzYDo+yTkB Brf8MSUA++oHxl/p36hNy0PGZ4s9OqhPEguSaFTiiTNAKvRfriXaBrNAhCdZokw4qGvuJz351If 8qO0p7b/YNFnjndk14DUGhOW0oL4DP2WFyJREfAhjRY9E4zsXXZBfK8VSlx4bv27n4uA7bgxwWt 3oYuOm25C8/DIVarg/eSYpntiVA09hSMJLetkCRTm8qcgdFJ262F/eYqzrhpQWZj5qXYGmg7fvZ pDFZV2k08QUei62xT8jnvx7SpLUe1G/nvRAKdkkNq9GVSA3jBEAhgyLMfT5ds5K+e+3JbXJZ X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.0.736,FMLib:17.12.80.40 definitions=2025-06-23_03,2025-06-23_02,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 adultscore=0 clxscore=1015 mlxlogscore=785 priorityscore=1501 phishscore=0 lowpriorityscore=0 spamscore=0 bulkscore=0 malwarescore=0 impostorscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2505280000 definitions=main-2506230063 On 6/21/25 9:56 PM, Dmitry Baryshkov wrote: > QSEECOM driver end UEFI vars access works on the Lenovo Yoga C630. This > platform has only one storage (UFS) shared between Linux and SecureOS > world, uefisecapp can not update variables directly. It requires some > additional steps in order to update variables, which are not yet reverse > engineered. > > Enable the QSEECOM device on that laptop and set up a quirk, making UEFI > vars read-only. > > Signed-off-by: Dmitry Baryshkov > --- Reviewed-by: Konrad Dybcio Konrad