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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b723d916e26sm235838366b.26.2025.11.04.06.38.49 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 04 Nov 2025 06:38:50 -0800 (PST) Message-ID: <8cf870a8-706d-4514-a87a-a69b64521ab5@oss.qualcomm.com> Date: Tue, 4 Nov 2025 15:38:47 +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 v3 1/2] dt-bindings: soc: qcom: Add qcom,kaanapali-imem compatible To: Krzysztof Kozlowski , Jingyi Wang Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Robert Marko , Das Srinagesh , 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: <20251102-knp-soc-binding-v3-0-11255ec4a535@oss.qualcomm.com> <20251102-knp-soc-binding-v3-1-11255ec4a535@oss.qualcomm.com> <20251104-glaring-rebel-pillbug-a467ca@kuoka> <790ca394-cee2-412b-97d8-c6416b843010@oss.qualcomm.com> <9ee07db9-508e-4c08-8f79-6ccfd9b646ab@oss.qualcomm.com> <6af33c1b-5b95-4efc-b429-5bfb9ee7caeb@kernel.org> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <6af33c1b-5b95-4efc-b429-5bfb9ee7caeb@kernel.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMTA0MDEyMiBTYWx0ZWRfX+iOb8Bky8gn3 zcf3w2sFrrC0D59GuAXwqSJP18jlmWYAqw2nz/SHT43IGErjhEnHJEw7nyz+V940tGkesZJ1fKV bTt+bJomy8n2wR/1Xd3Dsda4dNOV02+cMshoT8ODXEoEjWv0I6qxm96Tlr40tluWqodbArEfeuJ OLiCmUtAGLBUpl8b4NtlX7pIM7j0iABrP0toq/BVXCDG9kmTiOV7iCUga7tz06yzBELSZcOkJne ijGL2GvTA6vtMwIBUK4d5Ahd8v2MCwUxx1mBwXFqiXGQRzvYPPRj+GsgCM3VwEHLgNqEXtU2T+m GXGuAQdPnyUOTHPSJ6UE3LlLRs1HuvnTVC+qHhg5dm2vqIoQEBB+aEF9eA6W0TMmEBWHVE92dB+ UWOFNELUrZesIB+OfcxIS46xGnBsTg== X-Authority-Analysis: v=2.4 cv=fofRpV4f c=1 sm=1 tr=0 ts=690a0ffc cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=6UeiqGixMTsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=6hkmGreWcf60HrXDHNIA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-ORIG-GUID: QzSAzhLKbyHqKJ7kiy8DN9aXeO-P05OO X-Proofpoint-GUID: QzSAzhLKbyHqKJ7kiy8DN9aXeO-P05OO 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=2025-11-04_01,2025-11-03_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 suspectscore=0 clxscore=1015 adultscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2510240001 definitions=main-2511040122 On 11/4/25 3:37 PM, Krzysztof Kozlowski wrote: > On 04/11/2025 15:35, Konrad Dybcio wrote: >> On 11/4/25 3:26 PM, Krzysztof Kozlowski wrote: >>> This I got, but nothing here explains why you need generic compatible. >>> To re-iterate: there was no generic compatible before, now there is. >>> Writing bindings and numerous reviews from DT maintainers ask not to use >>> generic compatibles. >> >> OK so let's not worry about a generic compatible. IMEM exists since >> MSM8974 and it only had major hw updates with SM8550. They don't >> impact the software interface though, so qcom,msm8974-imem is OK. >> >> There's a separate control/status register address space for each >> instance of this IP (usually far apart from the actual SRAM pool), >> which Linux doesn't have to care about. > > Just use qcom,kaanapali-imem - that's the first device here without syscons. So we don't want to move the existing ones over? Konrad