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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b942f18bb33sm39509366b.65.2026.03.06.01.10.57 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 06 Mar 2026 01:10:59 -0800 (PST) Message-ID: Date: Fri, 6 Mar 2026 10:10:56 +0100 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] dt-bindings: nvmem: qfprom: Add Kaanapali compatible To: Akhil P Oommen , Jingyi Wang , Srinivas Kandagatla , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Dmitry Baryshkov Cc: aiqun.yu@oss.qualcomm.com, tingwei.zhang@oss.qualcomm.com, trilok.soni@oss.qualcomm.com, yijie.yang@oss.qualcomm.com, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260305-knp-qfprom-binding-v1-1-1b3effb09cad@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-Proofpoint-ORIG-GUID: co5N5XEOWRpixm7cBNfU4ux-zEH2sXAd X-Authority-Analysis: v=2.4 cv=LegxKzfi c=1 sm=1 tr=0 ts=69aa9a25 cx=c_pps a=oc9J++0uMp73DTRD5QyR2A==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=S330QWMK7FQG4XRmxJIA:9 a=QEXdDO2ut3YA:10 a=iYH6xdkBrDN1Jqds4HTS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzA2MDA4NiBTYWx0ZWRfX/v4yFr3asGt7 uRpocQj1DtmahyIpZgxCkQHrY+PeByZpcZRu85v1m3Q7o9fRwcBU5HyrE7ZK+b7F06642CA+KS4 dy4INJMyYCfRGjG7fwrSgP5xdIe2tr084lCIawjTZr/KhS+T6QWB1f1c/NKXSM5/dJnJPgNFDx5 XMjR8449dV6mb4O3McdzAm9ANYnKo2ZtJxxyk9oEIr70V4mdOVqYVB8CUJj9B1BCWKqSxi88GhH RDWcnM/EOYr4f8ugV46atkKKEb2IPxNyRaiB5qdfSMwbpo5anvLF3w2YUg39jDRMkTUvZxv5FPu b2eyIfP5imqKewqwHqFbEV9HORQxCNz6Blf9XwYIuZW4l5E0TmRXXEDyL7S/lJIyoj1VzV2cPW1 b9tOGLC4l24JuASQv7+o31w+q+jhQOoH484qRRGCnrJjs6L8ll5egkreJXcW9qpxzgcn9qkj/9t RL3QCi3hUky3ASAywYw== X-Proofpoint-GUID: co5N5XEOWRpixm7cBNfU4ux-zEH2sXAd 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=2026-03-06_03,2026-03-04_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 impostorscore=0 malwarescore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 phishscore=0 bulkscore=0 spamscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603060086 On 3/6/26 7:55 AM, Akhil P Oommen wrote: > On 3/6/2026 12:10 PM, Jingyi Wang wrote: >> Document compatible string for the QFPROM on Kaanapali platform. >> >> Signed-off-by: Jingyi Wang >> --- >> Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml | 1 + >> 1 file changed, 1 insertion(+) >> >> diff --git a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml >> index 839513d4b499..2ab047f2bb69 100644 >> --- a/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml >> +++ b/Documentation/devicetree/bindings/nvmem/qcom,qfprom.yaml >> @@ -26,6 +26,7 @@ properties: >> - qcom,ipq8064-qfprom >> - qcom,ipq8074-qfprom >> - qcom,ipq9574-qfprom >> + - qcom,kaanapali-qfprom > > A question to the maintainers. > > Do we need a new compatible for every chipset? If there are no KMD > facing differences in the HW, can we use an existing compatible string, > like sm8750's in this case? > > The fuse definitions (which map to nvmem cells) will obviously differ > between chipsets, but I am not sure if this alone warrants introducing a > new compatible string. This is to prevent the case where it later turns out that QFPROM on 8750 is deeply flawed under certain conditions and needs to have workarounds applied retroactively (because we're pinky-promise working towards stable DT ABI) Konrad