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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b935ae93357sm569909066b.48.2026.03.03.02.48.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 03 Mar 2026 02:48:30 -0800 (PST) Message-ID: <78d08114-d573-42be-9cff-39c228c68848@oss.qualcomm.com> Date: Tue, 3 Mar 2026 11:48:28 +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 1/6] dt-bindings: sram: Describe the IMEM present in Qualcomm IPQ SoCs To: Krzysztof Kozlowski , Kathiravan Thirumoorthy Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20260228-imem-v3-0-20fbcc1a9404@oss.qualcomm.com> <20260228-imem-v3-1-20fbcc1a9404@oss.qualcomm.com> <20260301-secret-exotic-nightingale-80f55c@quoll> <4cf9c98e-767c-44d3-9e71-bcc790e83997@oss.qualcomm.com> <6606bdbc-95b0-4adc-92e5-cad70d250cee@kernel.org> <33737c4f-b668-418c-ab03-f27ed3b6fcff@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: I9PsgWQywtKx0R3YyG1dTvGpO5mMMMr- X-Authority-Analysis: v=2.4 cv=dfmNHHXe c=1 sm=1 tr=0 ts=69a6bc80 cx=c_pps a=HLyN3IcIa5EE8TELMZ618Q==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=Yq5XynenixoA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=-F42I2y-Sy8dTl6WNdAA:9 a=QEXdDO2ut3YA:10 a=bTQJ7kPSJx9SKPbeHEYW:22 X-Proofpoint-GUID: I9PsgWQywtKx0R3YyG1dTvGpO5mMMMr- X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMzAzMDA4MiBTYWx0ZWRfXyhCO+01L5dWT UnnJcbjH5CsYm1gWmP11bbXTKPzASuSlHiH49mMDRbLBr4zfi86AqvwQUFSri9YHNFEcYXLhP8J EF6TGU8xoy4HXvZbZPyLB9tZEhrdnFmIwp4lUVTBUnocWBrKJ3eWeRQaTWQ3TV2afZeUk81rA1U Trv2BIIGefMqgdq29UxY8TyCACtLVzm9H5dDLHNR6DqSDO1/25Tjb0fbCyg6gNP5Wr+sTbe1cUz SX6MBd+kYFUc0alO1TLLxYPCz2rxb9Vm8+8155cQErU6u2y0VKFvrZM38o0k5AjvI2DBvPe/5eZ BqBwHK4ceIMcONqD6//hr0p/59m6DReD/I9uww8Draf9Gn5qkwrTQyS+Z/fvuhFZaxObaloTkkR GgWoxl1cwEbEBOoT9AZJwR/CNNSwlyzpEx6aRBAI75TPMtUjS40XzVh3kdFphaQygDqOMq1u6QR Rr94vGBxirBz96hRhhQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-03-02_05,2026-03-03_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 impostorscore=0 phishscore=0 clxscore=1015 spamscore=0 adultscore=0 suspectscore=0 lowpriorityscore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2603030082 On 3/2/26 5:33 PM, Krzysztof Kozlowski wrote: > On 02/03/2026 15:56, Konrad Dybcio wrote: >> On 3/2/26 3:54 PM, Krzysztof Kozlowski wrote: >>> On 02/03/2026 15:10, Konrad Dybcio wrote: >>>>> >>>>> Also not accurate - "sram" is not the reboot reason, which has node name >>>>> called "reboot-mode". >>>> >>>> What I was referring to is: >>>> >>>> patternProperties: >>>> "^([a-z0-9]*-)?sram(-section)?@[a-f0-9]+$": >>>> >>>> where the 'sram' (not 'smem' as I typo'd above) is obligatory >>> >>> I know and sram is not part of "reboot-mode" name. It is "reboot-mode" >>> in existing binding and DTS, not "reboot-mode-sram". >> >> In any case, I believe it'd be good to drop that requirement > > Ah, and one more thing, the syscon-reboot-mode is Linux driver with its > own Linux requirements - syscon - so probably not working with sram > bindings. That's another reason full binding should be posted and tested > - I speculate it simply does not work. It won't even probe, we talked about that a long time ago on a similar occasion https://lore.kernel.org/linux-arm-msm/f6b16d1d-3730-46d1-81aa-bfaf09c20754@oss.qualcomm.com/ Konrad