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[2001:14ba:a073:af00:264b:feff:fe8b:be8a]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5aa32ceb258sm2040482e87.48.2026.05.24.09.33.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 24 May 2026 09:33:52 -0700 (PDT) Date: Sun, 24 May 2026 19:33:51 +0300 From: Dmitry Baryshkov To: Graham O'Connor Cc: linux-arm-msm@vger.kernel.org, andersson@kernel.org, konradybcio@kernel.org, robin.clark@oss.qualcomm.com, lumag@kernel.org, abhinav.kumar@linux.dev, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 2/6] firmware: qcom: scm: Allow EFI variable access on Radxa Dragon Q6A Message-ID: <65pjothj3tjvfmpjemktdinmeouxnuodkhjx3s53it2spmldwz@l2jhbuxeutyk> References: <20260522060645.4399-1-graham.oconnor@gmail.com> <20260522060645.4399-3-graham.oconnor@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260522060645.4399-3-graham.oconnor@gmail.com> X-Proofpoint-GUID: BjW8o9zLYQqrjE393pEN_CjP6QrlnE9W X-Proofpoint-ORIG-GUID: BjW8o9zLYQqrjE393pEN_CjP6QrlnE9W X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI0MDE2NyBTYWx0ZWRfXx/NEjzQLSZoq TRO3TvG/co/VWfWcUhYJYnOl4ntVTE3J/sEc23y1Cl7C2Re9UT0kOnJxY30Qf7XNIJnE2DZrO1+ iKwx02Fh3h2LFrnI1F6L6SLzxk1p5KeD8OPZZc4g4LRASZo8idDjm5za1CoSBFbLqLFjuibhLjq /PxtHhiOcs0djuGOvish1MfbBb/jS2Y5+6wD4T7UZObdTaQ+n3Tygc6J3Mu5L0esocoj9KEMt9Z OSzH3eIl2aYMKZ35jNN3h/RGAmpmsy1bROtorpa/Z5/UquYa/Y7V7dgjd0Sirg4f7IJosFjg1BG uQR+eZ4heFm/Ve8XtPVoVV2Vpts1wbGXe0m0lDFRTYBx5zSyHT75QBKgOQXm0EflWOtiwiK+e0o nbLDq7IWR3XOuCexuSFb1y5E0tlK7FWP5PqVsUtVfVq1wWJGfL4cOASAg7wFZF2zH5tr3rerBx5 1J8HY5Mywm2JCxL3nOA== X-Authority-Analysis: v=2.4 cv=Do9mPm/+ c=1 sm=1 tr=0 ts=6a132877 cx=c_pps a=ULNsgckmlI/WJG3HAyAuOQ==:117 a=xqWC_Br6kY4A:10 a=kj9zAlcOel0A:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=pGLkceISAAAA:8 a=tsHZmUjQ-Mj4z8azS1oA:9 a=CjuIK1q_8ugA:10 a=1WsBpfsz9X-RYQiigVTh: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=2026-05-24_05,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 impostorscore=0 suspectscore=0 malwarescore=0 adultscore=0 clxscore=1015 priorityscore=1501 phishscore=0 lowpriorityscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605240167 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" On Fri, May 22, 2026 at 06:06:41PM +1200, Graham O'Connor wrote: > Add the Radxa Dragon Q6A compatible string to the SCM allowlist to > enable EFI variable access on this platform. Without this entry, > the SCM driver refuses to service EFI variable requests, preventing > the system from reading and writing UEFI variables. Which medium is used by Q6A to store UEFI vars? > > Tested on Radxa Dragon Q6A (QCS6490) > > Signed-off-by: Graham O'Connor > --- > drivers/firmware/qcom/qcom_scm.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/firmware/qcom/qcom_scm.c b/drivers/firmware/qcom/qcom_scm.c > index 6b601a4b8..4702ad898 100644 > --- a/drivers/firmware/qcom/qcom_scm.c > +++ b/drivers/firmware/qcom/qcom_scm.c > @@ -2320,6 +2320,7 @@ static const struct of_device_id qcom_scm_qseecom_allowlist[] __maybe_unused = { > { .compatible = "qcom,x1e80100-crd" }, > { .compatible = "qcom,x1e80100-qcp" }, > { .compatible = "qcom,x1p42100-crd" }, > + { .compatible = "radxa,dragon-q6a" }, > { } > }; > > -- > 2.53.0 > -- With best wishes Dmitry