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Tue, 06 Jan 2026 05:43:12 -0800 (PST) X-Google-Smtp-Source: AGHT+IGD+obWqEHiOhYvyIBJwtK58+QNm8r/eU2qpn1o9iTdFOjvPGIDaeqHWFLhjFsKmMd6wZsjbw== X-Received: by 2002:a17:90b:1c09:b0:340:29a1:1b0c with SMTP id 98e67ed59e1d1-34f5f27b806mr2702382a91.7.1767706991838; Tue, 06 Jan 2026 05:43:11 -0800 (PST) Received: from [10.218.4.141] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-34f5fb7419csm2429615a91.13.2026.01.06.05.43.07 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 06 Jan 2026 05:43:11 -0800 (PST) Message-ID: <1824a665-04b7-42af-b338-46c851a3986e@oss.qualcomm.com> Date: Tue, 6 Jan 2026 19:13:05 +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 V3 2/4] dt-bindings: ufs: Document bindings for SA8255P UFS Host Controller To: Krzysztof Kozlowski , Dmitry Baryshkov Cc: mani@kernel.org, alim.akhtar@samsung.com, avri.altman@wdc.com, bvanassche@acm.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, James.Bottomley@hansenpartnership.com, martin.petersen@oracle.com, anjana.hari@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, linux-scsi@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20251231045553.622611-1-ram.dwivedi@oss.qualcomm.com> <20251231045553.622611-3-ram.dwivedi@oss.qualcomm.com> <4mq5a4lhboymigbaruphlhip4zvmxl6xusvqrqb57bhx3yirt4@mgxdlr5onl6l> Content-Language: en-US From: Ram Kumar Dwivedi In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-Proofpoint-ORIG-GUID: dHE6csOJuZR3DZ74hnNcnnZFKlrFF1nb X-Proofpoint-GUID: dHE6csOJuZR3DZ74hnNcnnZFKlrFF1nb X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTA2MDExOSBTYWx0ZWRfXy34r3f59dA6g P9E0MdAWEeUwA7hi+a4nMegix7CItn/uyZqCb1nPuvLL/K0UcXXiQ5e4HD5qfC0RMSsZdmCXq4a peeRwoZcWxMgmd/ZSY0gbjUOLt4undl8KvvxTmljiMC6pOw1dehG373XdxLCsz8JykzpizKp3c7 Ol6G/5h8iiB0VSuAXGVqOhcRDmGvIe64kWR6D+9p10JnO8COKINcaOxk3T38ggpsab5mFq9LZLd 7HsY0JKZPjkKyWnMitzQBe+pwK44ak8vR5GrSQJ1YQ3xHTXm5fpy58eAvu2BG8G3Rs8txBegCss pwKWKSgGz/16MkiNcIOLXtgSYc4kc0EUE6ebBPzXT9cuKWK85ugVt8b9pvxQi79mk7RaKTr98SQ 5PmpT2PqRh8cpoYzMklgbA4qC1QvNOECnlj3f6ymyNCU3A/M7qrDx8Y0f2GlTqrL5wR7UyKWlB2 zQDzxAvMUwVbYpk4pBA== X-Authority-Analysis: v=2.4 cv=Jpz8bc4C c=1 sm=1 tr=0 ts=695d1171 cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=_ka70gv7TbPfTrNNl4sA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.100.49 definitions=2026-01-06_01,2026-01-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 malwarescore=0 bulkscore=0 clxscore=1015 adultscore=0 phishscore=0 suspectscore=0 impostorscore=0 spamscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2512120000 definitions=main-2601060119 On 31-Dec-25 1:23 PM, Krzysztof Kozlowski wrote: > On 31/12/2025 06:19, Dmitry Baryshkov wrote: >> On Wed, Dec 31, 2025 at 10:25:51AM +0530, Ram Kumar Dwivedi wrote: >>> Document the device tree bindings for UFS host controller on >>> Qualcomm SA8255P platform which integrates firmware-managed >>> resources. >>> >>> The platform firmware implements the SCMI server and manages >>> resources such as the PHY, clocks, regulators and resets via the >>> SCMI power protocol. As a result, the OS-visible DT only describes >>> the controller’s MMIO, interrupt, IOMMU and power-domain interfaces. >>> >>> The generic "qcom,ufshc" and "jedec,ufs-2.0" compatible strings are >>> removed from the binding, since this firmware managed design won't >>> be compatible with the drivers doing full resource management. >>> >>> Co-developed-by: Anjana Hari >>> Signed-off-by: Anjana Hari >>> Signed-off-by: Ram Kumar Dwivedi >>> --- >>> .../bindings/ufs/qcom,sa8255p-ufshc.yaml | 62 +++++++++++++++++++ >>> 1 file changed, 62 insertions(+) >>> create mode 100644 Documentation/devicetree/bindings/ufs/qcom,sa8255p-ufshc.yaml >>> >>> + >>> +examples: >>> + - | >>> + #include >>> + >>> + soc { >>> + #address-cells = <1>; >>> + #size-cells = <1>; >> >> This didn't really improve. You don't need 'soc' node at all. Please >> drop it. >> > > It was already asked by Bjorn, then I reminded that. So I wonder if > repeating three times will work? > > Feels like a waste of our time if same feedback has to be repeated three > times. Hi Krzysztof and Dmitry, I have removed the address-cells and size-cells in latest patchset. Thanks, Ram. > > Best regards, > Krzysztof