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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-7992d0966d7sm23613050b3a.40.2025.10.16.17.30.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 16 Oct 2025 17:30:37 -0700 (PDT) From: Anjelique Melendez To: andersson@kernel.org, konradybcio@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] soc: qcom: pmic_glink: Add support for SOCCP remoteproc channels Date: Thu, 16 Oct 2025 17:30:32 -0700 Message-Id: <20251017003033.268567-3-anjelique.melendez@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251017003033.268567-1-anjelique.melendez@oss.qualcomm.com> References: <20251017003033.268567-1-anjelique.melendez@oss.qualcomm.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: GtTniOmJlumVfewGjWvUdDJNvM36FmqY X-Authority-Analysis: v=2.4 cv=e5MLiKp/ c=1 sm=1 tr=0 ts=68f18e2f cx=c_pps a=Qgeoaf8Lrialg5Z894R3/Q==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=U2TDSMueiEXJ_JPGoVUA:9 a=x9snwWr2DeNwDh03kgHS:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDE0MDEzNCBTYWx0ZWRfXwaVdq3497aNZ EGDnZb9FrOa9jB/OFA7UEM6Rj562SqVyOVWpjBHq0GZ9m+Fl2I2gag12Q6sjOS8GR9tkHonrSLu MuHyfO0kJM7JAWl4bDA7D+sXeiFHpWzydLWYT7rMcS4hY+OL0iSgSLIbdxxZjwi+528b9V5tS8N /vkd+yzYGJLvlpRMV+oCEyGfWMIgE5y15PN//ojaoY3bTDNhnKFvOsFd0Cg/GXNABLfljtLMpxn ODHtPnmrUFFMHxvHI6HW/ybgp2vqN1JMU0bbmicGe/x61WedAIvX23drezS8EZ2ok+bK13YTdU+ 6asu9hT6Ccv5ldhV8R7b7YoSiXjSDXKJYjsu2tCib3S7c7I6a2Dl0/xMFhc+chg3chvaM4Is5F9 ZHDWfmRz4fToBv6WRotxDpIzi96mag== X-Proofpoint-ORIG-GUID: GtTniOmJlumVfewGjWvUdDJNvM36FmqY X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-16_04,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 spamscore=0 adultscore=0 clxscore=1015 priorityscore=1501 impostorscore=0 malwarescore=0 bulkscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510140134 System On Chip Control Processor (SOCCP) is a subsystem that can have battery management firmware running on it to support Type-C/PD and battery charging. SOCCP does not have multiple PDs and hence PDR is not supported. So, if the subsystem comes up/down, rpmsg driver would be probed or removed. Use that for notifying clients of pmic_glink for PDR events. Add support for battery management FW running on SOCCP by adding the "PMIC_RTR_SOCCP_APPS" channel name to the rpmsg_match list and updating notify_clients logic. Signed-off-by: Anjelique Melendez --- drivers/soc/qcom/pmic_glink.c | 9 ++++++++- 1 file changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c index c0a4be5df926..627f96ca322e 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -39,6 +39,7 @@ struct pmic_glink { struct mutex state_lock; unsigned int client_state; unsigned int pdr_state; + bool pdr_available; /* serializing clients list updates */ spinlock_t client_lock; @@ -246,9 +247,12 @@ static int pmic_glink_rpmsg_probe(struct rpmsg_device *rpdev) return dev_err_probe(&rpdev->dev, -ENODEV, "no pmic_glink device to attach to\n"); dev_set_drvdata(&rpdev->dev, pg); + pg->pdr_available = rpdev->id.driver_data; guard(mutex)(&pg->state_lock); pg->ept = rpdev->ept; + if (!pg->pdr_available) + pg->pdr_state = SERVREG_SERVICE_STATE_UP; pmic_glink_state_notify_clients(pg); return 0; @@ -265,11 +269,14 @@ static void pmic_glink_rpmsg_remove(struct rpmsg_device *rpdev) guard(mutex)(&pg->state_lock); pg->ept = NULL; + if (!pg->pdr_available) + pg->pdr_state = SERVREG_SERVICE_STATE_DOWN; pmic_glink_state_notify_clients(pg); } static const struct rpmsg_device_id pmic_glink_rpmsg_id_match[] = { - { "PMIC_RTR_ADSP_APPS" }, + {.name = "PMIC_RTR_ADSP_APPS", .driver_data = true }, + {.name = "PMIC_RTR_SOCCP_APPS", .driver_data = false }, {} }; -- 2.34.1