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[199.106.103.52]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-302978b1a79sm15050372eec.28.2026.05.18.18.26.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 May 2026 18:26:42 -0700 (PDT) Date: Tue, 19 May 2026 09:26:37 +0800 From: Shawn Guo To: Krzysztof Kozlowski Cc: Will Deacon , Robin Murphy , Joerg Roedel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] dt-bindings: arm-smmu: Constrain clocks for newer Qualcomm variants Message-ID: References: <20260505071453.34000-2-krzysztof.kozlowski@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260505071453.34000-2-krzysztof.kozlowski@oss.qualcomm.com> X-Proofpoint-GUID: 4ea-auF21BdKyyu_sKd3uJK8zAxupWdO X-Proofpoint-ORIG-GUID: 4ea-auF21BdKyyu_sKd3uJK8zAxupWdO X-Authority-Analysis: v=2.4 cv=BICDalQG c=1 sm=1 tr=0 ts=6a0bbc54 cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=b9+bayejhc3NMeqCNyeLQQ==:17 a=kj9zAlcOel0A:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_K5XuSEh1TEqbUxoQ0s3:22 a=EUspDBNiAAAA:8 a=I7k1zq4nAz8js2EDA9IA:9 a=CjuIK1q_8ugA:10 a=scEy_gLbYbu1JhEsrz4S:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE5MDAxMCBTYWx0ZWRfX0zi2/N8rOAiF Od5pCEpemMKvMf9PbDm46pp/FEsLqpW2936WTqc4lnxfHA/MLL0iOCQwu3BlChSO7S8jRYYM5sx cCIK41Z/ZFXimKd8ah7ZhlGBquww+923xdgFrVXeEzh6/LrzrHwU0aX9qJF/m5QWma3iFSWsNzh 4NJuTFvouL6vSYfab3QXMYspVVxEShaaaBRJ/hSRYWRN1jqzlxxzXWO8TW68o+hMBd1c7BqcrrQ WdoRP9qhGzpIEMpsj8xz4v5R08wDFhIasq/3H70gxPHZBw1VYo3F74WkYr2xCWrk5cQtxiMzOUU YPBJGkxH6MeAwLSu3N2W3iKQkAN80VFU26m2Z5YZV1TU4ULxwDKMmx9C4fekVHN3kjPbX3UjXsU EmJIBIgnk0c9HoVriccvl6V8N/MckkWmja51z/FzNE75SMeNh7pY8NrmfXxZ8Z6JdqHQ6T978zg 26qNexKa46Ux55z7K2A== 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=2026-05-19_01,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 spamscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 priorityscore=1501 impostorscore=0 phishscore=0 clxscore=1015 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605190010 On Tue, May 05, 2026 at 09:14:54AM +0200, Krzysztof Kozlowski wrote: > Many of SMMU on Qualcomm SoCs come in two flavors using same front > compatible but a bit different fallback: > > 1. For application processor, usually without any controllable > clocks, > > 2. For the Adreno GPU, with some controllable clock(s) and using > additionally qcom,adreno-smmu fallback compatible. > > Add missing constraints for Glymur SMMU on Adreno GPU and several other > Qualcomm SMMUs for application processors, to restrict the clocks > property to a specific value. > > Signed-off-by: Krzysztof Kozlowski Reviewed-by: Shawn Guo