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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> 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: q3LMwxrnn7FCCXq94ef2yd0djwdZ1okr X-Proofpoint-ORIG-GUID: q3LMwxrnn7FCCXq94ef2yd0djwdZ1okr X-Authority-Analysis: v=2.4 cv=BICDalQG c=1 sm=1 tr=0 ts=6a0bbc54 cx=c_pps a=Uww141gWH0fZj/3QKPojxA==: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=PxkB5W3o20Ba91AHUih5:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTE5MDAxMCBTYWx0ZWRfX16XyudjtizGm OweXtrZBtuiMGtOC/GLq8S2lEv3aTEDX9wVytM3Kt+WtI6pdYZtPz9fMv+sW+1So+WIbMWfygn6 ixK3LRJK0GkNUDx1EWmQyeSslxSQf+WXcpkVyXcLUV/LKOzSE46QhLBC6vHlQ2hk2wBb7EORq25 ADF2kqOen6mW8998z1VrbkyM1gPMnOaFyLq/WtbE0dw9xgEply2klGf1ws0n/vtLSEqYBjrZFOS JLIqfb2ROYlZ7DRr16U3Q3lFrlb0Pkyda7yFrf7oApmlFj4I0V9/j6dcMiwY8YDe17Sn0+3zkmt yd876JfiZdpDzBxdRD4hZUm8L2NUQn/hk5csaruO+lNQn93I4veBO66KapVW6pFsnUV1lNn+Q7U IgEE3RCTwEIlmzvC0bHspmnyIQBlPMDm3+OwWzNChxVVVeIx9NgnV9XaFDPoTgAnV26PN6csPyi AcYnYDRFW1ZjOjPI0wA== 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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260518_182645_932949_FB0D7F2B X-CRM114-Status: GOOD ( 14.97 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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