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Fri, 23 Oct 2026 02:03:31 -0700 (PDT) Received: from hu-parihar-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cd8ba69ca4dsm586273a12.0.2026.10.23.02.03.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 02:03:31 -0700 (PDT) From: Abhinav Parihar To: srinivas.kandagatla@linaro.org, linux-arm-msm@vger.kernel.org Cc: Abhinav Parihar , gregkh@linuxfoundation.org, quic_bkumar@quicinc.com, ekansh.gupta@oss.qualcomm.com, linux-kernel@vger.kernel.org, quic_chennak@quicinc.com, dri-devel@lists.freedesktop.org, arnd@arndb.de, stable@vger.kernel.org Subject: [PATCH v2 3/6] arm64: dts: qcom: sc8280xp: Remove FastRPC compute CB9 entry Date: Fri, 23 Oct 2026 14:33:05 +0530 Message-Id: <20261023090308.2898683-4-abhinav.parihar@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20261023090308.2898683-1-abhinav.parihar@oss.qualcomm.com> References: <20261023090308.2898683-1-abhinav.parihar@oss.qualcomm.com> X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: GB7cjN7tfrKJYBYGvgv3u_HRCktIkFfP X-Proofpoint-ORIG-GUID: GB7cjN7tfrKJYBYGvgv3u_HRCktIkFfP X-Authority-Analysis: v=2.4 cv=dphOmFg4 c=1 sm=1 tr=0 ts=6adb22e5 cx=c_pps a=rz3CxIlbcmazkYymdCej/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=gowsoOTTUOVcmtlkKump:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=PKVKsYk1ooiKBYXMgQMA:9 a=bFCP_H2QrGi7Okbo017w:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfXyXYbyOo5dRde ffJl2iLVnHXuYs5CMRrqmKwEcKIcAogvu2arfAuvOmRXRyq1xRagv1fXBuDQhI6vLiEcG3beN1A JJu4PEcUliOd/dT2zeUwxJc6/U/eYqA= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfXxOyX+QA10QQp 22sD/vcbbin6sBDaXh/pLiID7XEnWKGAddTI1QOPKUrsQ9amSF5TZRAnMlZnzib+v705SvGHTqE OQmYMsic/RlFrHFvRs99XapVeM2k1bMIp3WZIv56V8+CNj8PpxXSlEUbNo+eLnBI6vrufioj2+c XqQlPVLhPjtpG8rAzPxedleLWaQv/KXUkwMlsp+5WJCuyaHFa6xARbtQgHkizpvAsc9bhFm9GQe rRIJu8UchW/nU1ttipoxYtQ3+644siKuoX2+K4O76WqBdc3IKRKKWzdeujWFgdVuasObARyEIQc osO6Z9HvOmiIA0Em4yNw8j7uGIiZD02j3PvEAkaUyuSoCSOhTpXSrWsllzVHBRkT+hDAQeW1COZ Iob4AaPnHLu8sJ40mOBtCRHfZT2VpYOmaGQgOS1tVCkmZMsx5d4UX5Z4+zExTrWENqwZTVFGZR9 0Nq2nOTq+diOUOYW/4g== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-10-23_02,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 clxscore=1015 impostorscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610230035 Remove the compute-cb@9 nodes from sc8280xp device tree to prevent clients from selecting a secure context bank for normal FastRPC workloads. Secure use case support is not currently implemented upstream. Fixes: 152d1faf1e2f ("arm64: dts: qcom: add SC8280XP platform") Cc: stable@vger.kernel.org Signed-off-by: Abhinav Parihar --- arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index fbcfd3883bbb..3a26377aac5c 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -6279,12 +6279,6 @@ compute-cb@8 { iommus = <&apps_smmu 0x3188 0x0420>; }; - compute-cb@9 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <9>; - iommus = <&apps_smmu 0x318b 0x0420>; - }; - compute-cb@10 { compatible = "qcom,fastrpc-compute-cb"; reg = <10>; -- 2.34.1