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Sun, 03 Nov 2024 07:37:33 -0800 (PST) Received: from umbar.lan ([192.130.178.90]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-53c7bcce4fbsm1321133e87.128.2024.11.03.07.37.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 03 Nov 2024 07:37:32 -0800 (PST) From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Subject: [PATCH 0/2] firmware: scm: rework allowlist to be more scalable Date: Sun, 03 Nov 2024 17:37:28 +0200 Message-Id: <20241103-rework-qseecom-v1-0-1d75d4eedc1e@linaro.org> Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: <linux-arm-msm.vger.kernel.org> List-Subscribe: <mailto:linux-arm-msm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-arm-msm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIALiYJ2cC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyDHUUlJIzE vPSU3UzU4B8JSMDIxNDQwNj3aLU8vyibN3C4tTU5Pxc3USzZIvk1LS0ZBMjEyWgpoKi1LTMCrC B0bG1tQBxYCB7YAAAAA== X-Change-ID: 20241103-rework-qseecom-a6c8ceffc424 To: Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konradybcio@kernel.org> Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; 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firmware: scm: rework allowlist to be more scalable
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Listing individual devices in the qcom_scm_qseecom_allowlist table doesn't really scale. For each new device we have to add both DT and an entry in the table. This way handling new devices by distributions becomes more complicated: it's not enough to add new DT, the qcom_scm also has to be patched. Replace a machine-based allowlist with the platform-based table. If a particular device has buggy or incompatible firmware, it still can be disabled in the table. And while the patch to disable it is pending, make it possible to use qcom_scm.qseecom kernel argument to forcebly enable or disable usage of QSEECOM. Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> --- Dmitry Baryshkov (2): firmware: qcom: scm: add modparam to control QSEECOM enablement firmware: qcom: scm: rework QSEECOM allowlist drivers/firmware/qcom/qcom_scm.c | 54 ++++++++++++++++++++++++++-------------- 1 file changed, 36 insertions(+), 18 deletions(-) --- base-commit: c88416ba074a8913cf6d61b789dd834bbca6681c change-id: 20241103-rework-qseecom-a6c8ceffc424 Best regards,