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[78.88.45.245]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-67ef0b6a534sm541199a12.9.2026.05.08.03.42.54 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 08 May 2026 03:42:56 -0700 (PDT) Message-ID: <27247bee-0c82-412c-995a-fcc0c717abcb@oss.qualcomm.com> Date: Fri, 8 May 2026 12:42:53 +0200 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 1/4] dt-bindings: firmware: qcom,scm: Add minidump SRAM property To: Mukesh Ojha , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Robert Marko , Guru Das Srinagesh Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260507080727.3227367-1-mukesh.ojha@oss.qualcomm.com> <20260507080727.3227367-2-mukesh.ojha@oss.qualcomm.com> Content-Language: en-US From: Konrad Dybcio In-Reply-To: <20260507080727.3227367-2-mukesh.ojha@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-GUID: JcVp2V-wz7e2Id-v-2gsttGJnpbdSj2x X-Authority-Analysis: v=2.4 cv=VP3tWdPX c=1 sm=1 tr=0 ts=69fdbe33 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=FpWmc02/iXfjRdCD7H54yg==:17 a=IkcTkHD0fZMA:10 a=NGcC8JguVDcA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yOCtJkima9RkubShWh1s:22 a=EUspDBNiAAAA:8 a=7bsxUpGyA_mMpvjpU5sA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNTA4MDExMCBTYWx0ZWRfX3RJBaFRHRePO tMsLWMsU5aZx5flPeflgV6isCHBk49JS5hVp08Ojd7yOSWzYtfuHAYXYQKJYGmzFVnwW1VrFlqv friR+KNzN1w27YDuPWuW4YeVlQKIP0K7a5CQs/P0GU9gzL82RvwmB7ripdASbntzCUB0L/wflYv wP13XdDwCuPTEn8deswUQn1LAs4oxoHaO5H1rmm0jsihhyJnhZkSH+qrfByYupPijj9bRSKzgt9 L5QbAc6uEmxI6K83zGfB4620rAi5RFxfdav7+AyxVVlBKXiXwH8+gVSPzIISv/IntLd3LFAHFDN aG+mqV+rnX0TfJkBbBSTQiMhy1GtN/1oq9L4t4MJ97BbJrIqZOEslIZJm3cpxiAnG8KNVKC/Xp+ /m72VVjd+U2oL9UAsjI0IRvQmnY12xA2FrYWqtEEBLIXFsPROd2UVs15iBqrd6IwSnkkuP3zq9u MLurU9G9vqO6/9sQX9g== X-Proofpoint-ORIG-GUID: JcVp2V-wz7e2Id-v-2gsttGJnpbdSj2x 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=2026-05-07_02,2026-05-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 spamscore=0 bulkscore=0 impostorscore=0 lowpriorityscore=0 malwarescore=0 clxscore=1015 suspectscore=0 phishscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604200000 definitions=main-2605080110 On 5/7/26 10:07 AM, Mukesh Ojha wrote: > On most Qualcomm SoCs where minidump is supported, a word in always-on > SRAM is shared between the kernel and boot firmware. Before DDR is > initialised on the warm reset following a crash, firmware reads this > word to decide if minidump is enabled and collect a minidump and where > to deliver it (USB upload to a host, or save to local storage). > > Add 'sram' and 'sram-names' properties to the SCM binding to describe > a region in always-on SRAM where the minidump download destination > value could be written. Boot firmware reads it before DDR is initialised > on a warm reset to decide where to store the minidump either to host > PC or to on device storage. > > Most of the Qualcomm SoC supporting minidump supports this, added the > kaanapali SoC for now. > > Suggested-by: Konrad Dybcio Thank you for the attribution, but I don't think it applies here - Suggested-by would be fitting if I said "hey Mukesh, could you please do XYZ ABC [which you weren't planning on doing]", this is more of a normal review feedback Konrad