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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35fc6e6070bsm691414a91.7.2026.04.13.22.01.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 13 Apr 2026 22:01:54 -0700 (PDT) Message-ID: Date: Tue, 14 Apr 2026 13:01:49 +0800 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 v5 4/5] remoteproc: qcom: pas: Add late attach support for subsystems To: Bjorn Andersson Cc: Mathieu Poirier , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Manivannan Sadhasivam , Luca Weiss , Bartosz Golaszewski , Konrad Dybcio , 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, linux-remoteproc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Gokul Krishna Krishnakumar References: <20260409-knp-soccp-v5-0-805a492124da@oss.qualcomm.com> <20260409-knp-soccp-v5-4-805a492124da@oss.qualcomm.com> Content-Language: en-US From: Jingyi Wang In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDE0MDA0NSBTYWx0ZWRfX2RzuWg3AU00X Cp5UhVFOPbL5J7afXwVLD4hkN3UiU1Qtu6Rtw9eY5me/wUx2hHWyNTP6yP/5mImHLHS06ELriBk Lpk4PA+EATKaOYGuqNcUW5Z9+YcQ+yB1Znwf6u+Q8YFNsrbsOGzStpZWgvfeL7L1pLEEAh3z611 o5tPXOnW5Hh1ucu2gYVyjGLnO8AhIN9L1KXKs55RG0ZoV4fQHJ1H7xAQPtywirzc2YKM+Kew20v Fu6akePGz+S+JgaWcDS0T1Ze2CTSMQ4AJ+boJK0F6N4zaKtjeZ4eP24Fo9cOEw0Hi82niQPy6KH 3tRojcXMEeG94QJRxOwDaF/ZXPu0mAmV9Nk7ZaX/Sw8ntUjCZ5/IrqOmg5Hn0vqDe7OjYuUSYsM aOX+UaYrciHW39e0234zsUGGxfjrwyNuSlnlL9t4O2VwbxQuONf+8I+Y4Hpcb5iwoW9fDExgOoH T57R6nerg7qKZFSF8gA== X-Proofpoint-ORIG-GUID: 6nq5te3m_M17wZ5lSQNhH_DpEcddT06C X-Authority-Analysis: v=2.4 cv=Iowutr/g c=1 sm=1 tr=0 ts=69ddca44 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=g4S4wLomyV-OnTC5uXsA:9 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 X-Proofpoint-GUID: 6nq5te3m_M17wZ5lSQNhH_DpEcddT06C 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=2026-04-14_01,2026-04-13_04,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 adultscore=0 impostorscore=0 lowpriorityscore=0 bulkscore=0 spamscore=0 phishscore=0 clxscore=1015 malwarescore=0 priorityscore=1501 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2604070000 definitions=main-2604140045 On 4/11/2026 11:04 AM, Bjorn Andersson wrote: > On Thu, Apr 09, 2026 at 01:52:27AM -0700, Jingyi Wang wrote: > [..] >> diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c >> index da27d1d3c9da..34b54cf832d0 100644 >> --- a/drivers/remoteproc/qcom_q6v5_pas.c >> +++ b/drivers/remoteproc/qcom_q6v5_pas.c >> @@ -60,6 +60,7 @@ struct qcom_pas_data { >> int region_assign_count; >> bool region_assign_shared; >> int region_assign_vmid; >> + bool early_boot; >> }; >> >> struct qcom_pas { >> @@ -423,9 +424,15 @@ static int qcom_pas_stop(struct rproc *rproc) >> >> qcom_pas_unmap_carveout(rproc, pas->mem_phys, pas->mem_size); >> >> - handover = qcom_q6v5_unprepare(&pas->q6v5); >> - if (handover) >> - qcom_pas_handover(&pas->q6v5); >> + /* >> + * qcom_q6v5_prepare is not called in qcom_pas_attach, skip unprepare to >> + * avoid mismatch. > > Can you confirm that no load_state should be sent to AOSS for SoCCP? > (I.e. from the skipped qcom_q6v5_prepare()) > > Regards, > Bjorn load_state send qmp to the subsystem, we checked from code level that current downstream SoCCP do nothing with this now, I will double confirm it from subsystem side. Thanks, Jingyi