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Wed, 28 Oct 2026 10:02:26 -0700 (PDT) Received: from [192.168.226.26] ([178.235.128.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-6b4964203bcsm1733841a12.23.2026.10.28.10.02.23 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 28 Oct 2026 10:02:24 -0700 (PDT) Message-ID: Date: Wed, 28 Oct 2026 18:02:22 +0100 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 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] arm64: dts: qcom: talos: Mark USB controllers as DMA coherent To: Krishna Kurapati Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Bjorn Andersson , Konrad Dybcio , Abel Vesa , Rob Herring , Krzysztof Kozlowski , Conor Dooley References: <20261021-talos-dma-coherent-usb-v1-1-df0400a2c64d@oss.qualcomm.com> <79ade748-b8fa-4d9f-9ac5-7f1635cf8109@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=M4bYuCws c=1 sm=1 tr=0 ts=6ae22aa4 cx=c_pps a=nSjmGuzVYOmhOUYzIAhsAg==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=d7WKDHGJSlPa2Yu6rV0A:9 a=QEXdDO2ut3YA:10 a=zZCYzV9kfG8A:10 a=1zu1i0D7hVQfj8NKfPKu:22 X-Proofpoint-GUID: tvGqPSG2L6qE6VewYawCKd0gOsKqbfhD X-Proofpoint-Spam-Info: AW1haW4tMjYxMDI4MDA2NyBTYWx0ZWRfX4GbH0dAMtRBe TU5I1KpTX7JbtWOkatD5kC1GJBc5ffSNoQXbePgTB51A4TlRkgDpTGO6DkZ7/f5vwEq/KXVSMZZ jD50n7Y0pC4t9qAYKnGvh/3hrlsGGxY= X-Proofpoint-ORIG-GUID: tvGqPSG2L6qE6VewYawCKd0gOsKqbfhD X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDI4MDA2NyBTYWx0ZWRfX5wmpmp7fpDhR fM4643rgJe0JZnOmOv0D2rJyhAroXt2MVBLIN/KxWFCQ69DpxrOphTmcAWhVOwp1ugPmpjhLn33 25KcDMZf1JCpxVUtvnZLK74YqNgwDflCiHkj5K3VwhY+klT0rdhnAwnYLI+opCKMoYyMO7tkxyS Ma9lDayb7bBzz5ujT2+YdXYlOp+/M68+53OYDc293J4TY6J0debRBU2w+alKH3YLYGiK1YPzRcU tvS5ebe2UrBZuYkGjgaOrN24Q+VIKn9nfMainvGzorRP8nGqHBSyZIjstCZwDSF7TsT/5fEqsG5 Ru2EwlZx6n1heIIym8mAVowEU7i5yGeDgonGD/KOjufnFPJvdvFoeTVLPwH3JLDA/ebihpLpZBF Rw/ur4zQ8OYC8DEQwzYyheWbC/OUiBhtNdaBmqS0+Cx9hHvbiUiy7ZK63+T/LQ3zUo4AKZIE4GC eWvizU+wjDexLXsYNlA== 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=2026-10-28_05,2026-10-21_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 priorityscore=1501 clxscore=1015 impostorscore=0 malwarescore=0 bulkscore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610190000 definitions=main-2610280067 On 10/28/26 6:01 PM, Krishna Kurapati wrote: > > > On 10/22/2026 1:51 PM, Konrad Dybcio wrote: >> On 10/21/26 7:28 PM, Krishna Kurapati wrote: >>> Both USB controllers on Talos are DMA coherent. Add property indicating >>> the same. >>> >>> Signed-off-by: Krishna Kurapati >>> --- >> >> Reviewed-by: Konrad Dybcio >> >> I asked an LLM to find is_rpmh && !dwc3_dma_coherent. It gave me: >> >> - kodiak >> - lemans >> - monaco >> - qdu1000 >> - sc7180 >> - sc8180x >> - sc8280xp >> - sdm670 >> - sdm845 >> - sdx75 >> - sm6350 >> - sm8150 >> - sm8250 >> - sm8350 >> - sm8450 >> - talos (fixed by this patch) >> - qcom-sdx55 >> - qcom-sdx65 >> > I am sure for the following: > > sdx65 > sdx75 > lemans > sm8450 > qdu1000 > kodiak > sm8350 > > I can send a series for these patches if that is fine. > But the others I need to confirm. Please send for the ones you're sure and please follow up for the rest Konrad