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Fri, 23 Oct 2026 02:03:37 -0700 (PDT) Received: from hu-parihar-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cd8ba69ca4dsm586273a12.0.2026.10.23.02.03.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 02:03:36 -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 4/6] arm64: dts: qcom: sdm660: Remove FastRPC compute CB9 entry Date: Fri, 23 Oct 2026 14:33:06 +0530 Message-Id: <20261023090308.2898683-5-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-Spam-Details-Enc: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfXxZAoi47KuGQJ ZokSEhadxLOjRA58/lY9eZNIJ+FDmY8/UWPrV5LKvKG+dsT4Bfz+RSKsVdeHMNLRQ92ivkGjdrF /Uq8gD39+3afXvn+c7gIGhXxrCGOrT9sYbrJ5cIlxQU1dmYoA94RDsTvMlcSSU2CTDi2l3iF7aL /+5G3pvDAXyKUs5zQIZFBXHo0+2cNKUo3YBUP+x9Wx5dnVXXU9YJhB26PIObXxiaPFg4aEd3V1Z BZha6p8cKYT6C0yty9QjjrPI5dJ1nXIeopyXZLRnTC1S8PJOb8GpI/7nwdQ9OKzK1BsBwms+M+C qmJFW09R8ciF8m0N4myU7QhxlIFu8/Mck6/whnl4FvwRa1yQ5+s7QVUimnnEePnWRg0BqnHsLKe 5jhvJs9FrN6BW7lhhgWFZ1OOIaTSeGP4/Ggtze2qAIDjgNZcB5AvvhKxu70Jf5P4WUc2avfp7Fk lqfP6yPyyZIOK/A3IUg== X-Proofpoint-ORIG-GUID: M3Glga80f4JNiAWY3rJN2MxlT2Q-KrLT X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfX/E1z5WhKV9Ra 9XeR/oHqKolf0cKgQDwgZlGd8OdlIXx+xLFq0UhRTrE8oRDGa9S12tlseUS//dojsmKocPEYhTx CRj/n51sv2tLLUwmUpIUTpW7WwvY9ek= X-Proofpoint-GUID: M3Glga80f4JNiAWY3rJN2MxlT2Q-KrLT X-Authority-Analysis: v=2.4 cv=GLKdgeNK c=1 sm=1 tr=0 ts=6adb22ea cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=Bp0rkiFJIKxNgHgNeN4A:9 a=x9snwWr2DeNwDh03kgHS:22 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 phishscore=0 impostorscore=0 bulkscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 priorityscore=1501 suspectscore=0 malwarescore=0 adultscore=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 sdm660 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: 708ab9d3bc5b ("arm64: dts: qcom: sdm660: set cdsp compute-cbs' regs properly") Cc: stable@vger.kernel.org Signed-off-by: Abhinav Parihar --- arch/arm64/boot/dts/qcom/sdm660.dtsi | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/sdm660.dtsi b/arch/arm64/boot/dts/qcom/sdm660.dtsi index 0fca9662c64a..723bffc99b67 100644 --- a/arch/arm64/boot/dts/qcom/sdm660.dtsi +++ b/arch/arm64/boot/dts/qcom/sdm660.dtsi @@ -386,12 +386,6 @@ compute-cb@8 { iommus = <&cdsp_smmu 8>; }; - compute-cb@9 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <9>; - iommus = <&cdsp_smmu 9>; - }; - compute-cb@10 { compatible = "qcom,fastrpc-compute-cb"; reg = <10>; -- 2.34.1