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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-b8dbef86deesm871906266b.3.2026.02.02.04.33.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Feb 2026 04:33:41 -0800 (PST) Message-ID: Date: Mon, 2 Feb 2026 13:33:39 +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 v6 1/5] dt-bindings: sram: describe the IPQ5424 IMEM as mmio-sram To: Dmitry Baryshkov , Kathiravan Thirumoorthy Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio , Wim Van Sebroeck , Guenter Roeck , Rajendra Nayak , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-watchdog@vger.kernel.org References: <20260130-wdt_reset_reason-v6-0-417ab789cd97@oss.qualcomm.com> <20260130-wdt_reset_reason-v6-1-417ab789cd97@oss.qualcomm.com> <2cktheoo5lmh5odlvc4iad7gclx3h4hltg6rbzphga6uu7dbaz@3p23jh5nxhuo> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <2cktheoo5lmh5odlvc4iad7gclx3h4hltg6rbzphga6uu7dbaz@3p23jh5nxhuo> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-ORIG-GUID: ydE01PLEamc1cegV1pazpd6aKKG6t-kE X-Authority-Analysis: v=2.4 cv=dcmNHHXe c=1 sm=1 tr=0 ts=698099a9 cx=c_pps a=50t2pK5VMbmlHzFWWp8p/g==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=HzLeVaNsDn8A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=2hTYSUoH5--4YhmpkQQA:9 a=QEXdDO2ut3YA:10 a=IoWCM6iH3mJn3m4BftBB:22 X-Proofpoint-GUID: ydE01PLEamc1cegV1pazpd6aKKG6t-kE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMjAyMDA5OCBTYWx0ZWRfX2vEYciM3B1qD /9hHaTApBL+MJ3K1SU2bFTGMI8ouNK7I5c4WhaPFFIbMMGsVHnTCnjyUmWM+HffYdqRW23L9B54 mN9HKtNrlEubZHW7ofT1FFpGOQfi6Zq0Z9YLqRcSjhH5bRwGLT0itflT2uMMx43CLHAL3IA3WMD IGlWWo1est0aDFms4r8vBQFawzNApt8rPFVJt4xn+sR7JgpZhtZNKDfoMdvs1suIPogg2gbYJBb n1NsBkohEJrLfBNBUwyLbD796nC1/yD+ivC3NFST4Mq0qSc1GXcYW1MlflIJV5uhyQhrByJORbI /xTse7TP48a4BYJIa8VdEscxvbH72YIMVn/rgSyDCcRueEyMOT2xU8jqfUtjIe4SxDK1ALeIqo/ fOmQIGLUbAUH2wlZLMR2Jgg4ju8fn2xk632I/StJnwZXACoZT6tHOp890BE6LjDoBUUbTBZo8nt wTNUOGe/yLOwzPMrzAw== 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=2026-02-02_04,2026-01-30_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 impostorscore=0 lowpriorityscore=0 phishscore=0 bulkscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2602020098 On 1/31/26 9:20 AM, Dmitry Baryshkov wrote: > On Fri, Jan 30, 2026 at 04:14:30PM +0530, Kathiravan Thirumoorthy wrote: >> Based on the discussion in the linux-arm-msm list, it is not >> appropriate to define the IMEM (On-Chip SRAM) as syscon or MFD. >> >> So drop the compatible from qcom,imem.yaml and add it in sram.yaml >> binding. >> >> Signed-off-by: Kathiravan Thirumoorthy >> --- >> Changes in v6: >> * New patch >> --- >> Documentation/devicetree/bindings/sram/qcom,imem.yaml | 1 - >> Documentation/devicetree/bindings/sram/sram.yaml | 1 + >> 2 files changed, 1 insertion(+), 1 deletion(-) > >> diff --git a/Documentation/devicetree/bindings/sram/sram.yaml b/Documentation/devicetree/bindings/sram/sram.yaml >> index c451140962c86f4e8f98437a2830cb2c6a697e63..7bd24305a8c7d98dc6efad81e72dc8d86d8b212b 100644 >> --- a/Documentation/devicetree/bindings/sram/sram.yaml >> +++ b/Documentation/devicetree/bindings/sram/sram.yaml >> @@ -34,6 +34,7 @@ properties: >> - nvidia,tegra186-sysram >> - nvidia,tegra194-sysram >> - nvidia,tegra234-sysram >> + - qcom,ipq5424-imem > > Bjorn, Konrad, I sadly don't remember the outcome of our discussion. Do > we need to specify that this SRAM region is Qualcomm something IMEM or > do we not? Do you mean BOOT_IMEM vs SYSTEM_IMEM? I don't think we have a usecase for the former in Linux and I'm not sure we ever will (plus we already refer to SYSTEM_IMEM as "imem" in a lot, lot of places) Konrad