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Fri, 23 Oct 2026 02:03:26 -0700 (PDT) Received: from hu-parihar-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cd8ba69ca4dsm586273a12.0.2026.10.23.02.03.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 02:03:26 -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 2/6] arm64: dts: qcom: monaco: Remove FastRPC compute CB9 entry Date: Fri, 23 Oct 2026 14:33:04 +0530 Message-Id: <20261023090308.2898683-3-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-Authority-Analysis: v=2.4 cv=cZpHPXDM c=1 sm=1 tr=0 ts=6adb22e0 cx=c_pps a=vVfyC5vLCtgYJKYeQD43oA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=rJkE3RaqiGZ5pbrm-msn:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=tob_Kch83G3grsM8gxYA:9 a=rl5im9kqc5Lf4LNbBjHf:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfX7Kr0eQ1g4xl5 m8He6tzeNv6NOVNlh0ldv1QpsqBMMWRoQingeBuWrNz5hnBG2rScrissAW6U/Xs9xLJ64RsN4fZ Esh5XGphYnNjKuUy0gZzvKsOejFwuN4= X-Proofpoint-GUID: z393lsdJWv079zi9m9YNvPEBzFLX-9ya X-Proofpoint-ORIG-GUID: z393lsdJWv079zi9m9YNvPEBzFLX-9ya X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfXysvuoYP/NDaA ALlA4oQ+6IAcmGIXQFWOJYdB5o9cpdMXVSGSPpjLK9Wnq8XXeRXUNrZ5YlzaN8EdAueFA297hOM HV0uE/HqEoruBLtvf+y1jDebAhiMJagb4lgE27uTQN9Euyuw1M9DGFq0yjiEcMtFYS4yatynZAB AuZGHDj3PlSOYQm0MQXkmuKdWdriuer2JU9+wRIfO+R4J49J3+rQ0C0HT4WeSHc8/LI8xRLcf9O rcDLjOy5+iXbFZjHv8TkOjCeLiJ/t1My+SQ0mjGVCgnxAuREst+ukvQukxM5uL+TFSlKfRNlnmb +4uIPW29ptQuXI65FV2LQeka5vfEqluOkxxPipqwbcHWMSbPKVTXzCOWHpQ42RS1NYl7l29X3Yh jbVly++q5wfGYcAHY1GQouedCh7adxx1BoxKc8DIvkcu+EV+LT3ux5ZaqcyOdwPK7VqTbzbkIh1 dLPDLD8/50Av8LRs1HQ== 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 suspectscore=0 phishscore=0 malwarescore=0 adultscore=0 priorityscore=1501 clxscore=1015 spamscore=0 lowpriorityscore=0 impostorscore=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 Monaco 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: af0d19ea5a31 ("arm64: dts: monaco: extend fastrpc compute cb") Cc: stable@vger.kernel.org Signed-off-by: Abhinav Parihar --- arch/arm64/boot/dts/qcom/monaco.dtsi | 7 ------- 1 file changed, 7 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/monaco.dtsi b/arch/arm64/boot/dts/qcom/monaco.dtsi index cfe39f923224..e73a735f2f13 100644 --- a/arch/arm64/boot/dts/qcom/monaco.dtsi +++ b/arch/arm64/boot/dts/qcom/monaco.dtsi @@ -7822,13 +7822,6 @@ compute-cb@8 { dma-coherent; }; - compute-cb@9 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <9>; - iommus = <&apps_smmu 0x19c9 0x0400>; - dma-coherent; - }; - compute-cb@11 { compatible = "qcom,fastrpc-compute-cb"; reg = <0xb>; -- 2.34.1