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Fri, 23 Oct 2026 02:03:49 -0700 (PDT) Received: from hu-parihar-hyd.qualcomm.com ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-cd8ba69ca4dsm586273a12.0.2026.10.23.02.03.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 23 Oct 2026 02:03:49 -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 6/6] arm64: dts: qcom: msm8996: Remove FastRPC compute CB9 entry Date: Fri, 23 Oct 2026 14:33:08 +0530 Message-Id: <20261023090308.2898683-7-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-ORIG-GUID: TflFsb1rEDygp4Dgoa-1Am7arq1cse8c X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfXw9j1rOuZIjyN B1D6zt1jdBw9TxSlfR0SFeVetv1Ze0W/ZnGWGQiJX/7fi600g6AzSUgTyzDcifuXMC2psAoPrYS RTm3JYtBg/0Gvbu9RRtxadu/j/KXN8zV9VrrrPe55N/YzWCJbFHtS8mMAA2v2BPPl6I9noF3WQK YOJE7l/YuMH81jDcmLly5ruezTrbFWGPoVv1aq1ReDcndxec1vA3+3+wRPelfflNN+1ncWjVNpu fI7rzeDFRCtkKoIM1/m5sJVYypNmkXQMd6KCugYDh8ycxoVuJfLU40PCoUR6eqIkfsVqnTpCe1o i+q5cqWYZkfMe6fKmK2GCTXAFEg4IeP7sYqL3n8I6YtHo4PHBwMmD5QC72xUASLP2NUQ1Vx+sU7 gkOTZiW8R0Psoz1EhKNbSSbMKoDSGSwjzQ6UquXICE2hTpz8R7USO+UMFYij6fzAKqPKza2KYzV ce3hc0UJpzTOxpvl7Mg== X-Proofpoint-GUID: TflFsb1rEDygp4Dgoa-1Am7arq1cse8c X-Proofpoint-Spam-Info: AW1haW4tMjYxMDIzMDAzNSBTYWx0ZWRfX8DppHR6eT5R8 4G/xYaY2Tutw8iahSaU1X4DSkGhTKY+YGRjsHMiOeGEu+HocnbjOAxDlVXJpDaHCrNaHSnzm1KD +WTC6jEEyIbHLnCmD6Pie0Y8MCmEW94= X-Authority-Analysis: v=2.4 cv=UaHE26SN c=1 sm=1 tr=0 ts=6adb22f6 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=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=vzw34t4vhacumBYsXzkA:9 a=bFCP_H2QrGi7Okbo017w: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 priorityscore=1501 bulkscore=0 clxscore=1015 spamscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 impostorscore=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 msm8996 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: 1b80b83f893d ("arm64: dts: qcom: msm8996: add fastrpc nodes") Cc: stable@vger.kernel.org Signed-off-by: Abhinav Parihar --- arch/arm64/boot/dts/qcom/msm8996.dtsi | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm64/boot/dts/qcom/msm8996.dtsi b/arch/arm64/boot/dts/qcom/msm8996.dtsi index 818e5660df91..51ef306c1ce0 100644 --- a/arch/arm64/boot/dts/qcom/msm8996.dtsi +++ b/arch/arm64/boot/dts/qcom/msm8996.dtsi @@ -3701,12 +3701,6 @@ cb@8 { iommus = <&lpass_q6_smmu 8>; }; - cb@9 { - compatible = "qcom,fastrpc-compute-cb"; - reg = <9>; - iommus = <&lpass_q6_smmu 9>; - }; - cb@10 { compatible = "qcom,fastrpc-compute-cb"; reg = <10>; -- 2.34.1