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Mon, 25 May 2026 03:09:25 -0700 (PDT) X-Received: by 2002:a05:6a00:f8f:b0:827:33cb:c7a3 with SMTP id d2e1a72fcca58-8414b4281e7mr12803345b3a.10.1779703765407; Mon, 25 May 2026 03:09:25 -0700 (PDT) Received: from [10.218.19.63] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84164ff71c4sm10428735b3a.55.2026.05.25.03.09.18 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 25 May 2026 03:09:24 -0700 (PDT) Message-ID: <8a1d6c78-fd16-4994-bae9-cf75b1e7e3c5@oss.qualcomm.com> Date: Mon, 25 May 2026 15:39:17 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/3] arm64: dts: qcom: shikra: Add qcrypto node support To: Dmitry Baryshkov Cc: Konrad Dybcio , Thara Gopinath , Herbert Xu , "David S. Miller" , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Vinod Koul , Frank Li , Andy Gross , linux-arm-msm@vger.kernel.org, linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org References: <20260515-shikra_qcrypto-v1-0-80f07b345c29@oss.qualcomm.com> <20260515-shikra_qcrypto-v1-3-80f07b345c29@oss.qualcomm.com> <8dfa0670-7605-497b-9d53-db9b4a8a3d8d@oss.qualcomm.com> <57c26520-42dd-4159-bd2a-69874945cbbe@oss.qualcomm.com> Content-Language: en-US From: Kuldeep Singh In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=RMyD2Yi+ c=1 sm=1 tr=0 ts=6a141fd6 cx=c_pps a=m5Vt/hrsBiPMCU0y4gIsQw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=tA9iMH91bGDi15m1H0IA:9 a=QEXdDO2ut3YA:10 a=IoOABgeZipijB_acs4fv:22 X-Proofpoint-ORIG-GUID: RuyCP8NmeN7QN5GksoROfnHFZTxHDoKa X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTI1MDEwMyBTYWx0ZWRfXyN38NB/k6dT9 hK2wOnS2GVGhon4nh5E20VLrbaC+NV1Tb2FxknJuymFgbXnVoSIOnW3N4Z+oMr8Q0YS21rnIJo0 CKKRnkOGcdpc4KCmlV7Q7Ig1pWHrY9JqEqt5fPBdhiw6RHjyPK9ANPeNVX3EVo+VSF/pG38JRty d0/+5iIxSbnK0Fzl5CYet99mUV7j6lvJ5eiV9oIjTk2iDgji8Q9qXq6A9cWNCqLueR6NnRSMO0n 2BO9E/Owlxy382opAkqcGtmGNgJmLFNlQLNy/xPSzz4XJp+vgKnV9LqluDwg0xHWrHfLYemih3Z LMrVZkQOtstE3hQPUoxid5iKj8lnFj591dShPtXaRglJXLJgTp4IVDfh1rrYDOhIYR3lpK7b2s4 svmCYdszEV1J6tNrX/7CMkRhZNAurOVLnSF6QmJVGckQmv1Klji5pLHDpDEWVRRijlxrxvHsaG/ g0idQgwZ4fWnpIAfBgA== X-Proofpoint-GUID: RuyCP8NmeN7QN5GksoROfnHFZTxHDoKa 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=2026-05-25_03,2026-05-18_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 malwarescore=0 suspectscore=0 clxscore=1015 lowpriorityscore=0 phishscore=0 adultscore=0 impostorscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605130000 definitions=main-2605250103 >>> These two entries are logically the same (SID & ~mask) as the first two, >>> does it still work if you remove them? >> >> Yes, resulting sid is same for 84/94 and 86/92. >> Basically, the resulting sid could be same, it's an optimization which >> smmu is doing which can result in same SMR(Stream matching register) >> routing 2 different sid to same context bank. >> So, 2 sid can be used even though resulting sid remains same. >> >> Also, DT usually dictates what hw capabilities are supported and hence, >> captured all apps entries here to match the hardware description. >> >> I hope this answers your query. > > It doesn't. Can we drop them? Could you please explain more on what's missing? -- Regards Kuldeep