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[129.46.96.20]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-329cb6a2ec2sm4746324a91.21.2025.09.02.14.45.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Sep 2025 14:45:45 -0700 (PDT) From: Anjelique Melendez To: andersson@kernel.org, konradybcio@kernel.org Cc: linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH] soc: qcom: pmic_glink: Add support for SOCCP remoteproc channels Date: Tue, 2 Sep 2025 14:45:44 -0700 Message-Id: <20250902214544.543038-1-anjelique.melendez@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: IWOJ7cLslOqM1xMAIYIYQsqN0ZDEtdaL X-Proofpoint-ORIG-GUID: IWOJ7cLslOqM1xMAIYIYQsqN0ZDEtdaL X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUwODMwMDAyNyBTYWx0ZWRfX66g+M06zYDyi cAhmYOdVv6ale/V5vIlntaG/sjZGAwh9YZsaCqfFArkYAWMyZTMUCsGPBB9a/8jM178iKjalt/y 6+BKfLxLEfnPmPsMIjOgNT0uYjW6UDaQFV8HbW4ggSuew59O5THMwp4gBSruz2CWIAAVDQX0Xr9 R7YRRGvV1qAdmxFIR5BFeAduXHq8w0sBA0vpVeEnKRDDUCBsVjDIpWFVkPQgfGDGDMUohAczAjh mNHMDyuETLlwHVWmI1Bsp6RiMk1CMsZhb2wFtda4SwOk7V+a9ER9eUPDh7bpmiUbLT6Nb1bubkP P/PpBJdwbA09GoyrqGICD+olbWTyUiZWYsUcmn4wmZgXOA0tpsN5rtMNR1E8vyfj28uDbU/1wnu XJtEO9ZX X-Authority-Analysis: v=2.4 cv=NrDRc9dJ c=1 sm=1 tr=0 ts=68b7658b cx=c_pps a=IZJwPbhc+fLeJZngyXXI0A==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=yJojWOMRYYMA:10 a=EUspDBNiAAAA:8 a=XlvkYG1BLVWRrT8hbnoA:9 a=uG9DUKGECoFWVXl0Dc02:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1099,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-09-02_08,2025-08-28_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 malwarescore=0 priorityscore=1501 phishscore=0 impostorscore=0 spamscore=0 bulkscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2507300000 definitions=main-2508300027 Content-Type: text/plain; charset="utf-8" Add support for charger FW running on SOCCP by adding the "PMIC_RTR_SOCCP_APPS" channel name to the rpmsg_match list and updating notify_clients logic. 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 notifiying clients of pmic_glink for PDR events. Signed-off-by: Anjelique Melendez --- drivers/soc/qcom/pmic_glink.c | 28 +++++++++++++++++++++------- 1 file changed, 21 insertions(+), 7 deletions(-) diff --git a/drivers/soc/qcom/pmic_glink.c b/drivers/soc/qcom/pmic_glink.c index c0a4be5df926..bcd17fc05544 100644 --- a/drivers/soc/qcom/pmic_glink.c +++ b/drivers/soc/qcom/pmic_glink.c @@ -17,6 +17,11 @@ =20 #define PMIC_GLINK_SEND_TIMEOUT (5 * HZ) =20 +enum { + PMIC_GLINK_PDR_UNAVAIL =3D 0, + PMIC_GLINK_PDR_AVAIL, +}; + enum { PMIC_GLINK_CLIENT_BATT =3D 0, PMIC_GLINK_CLIENT_ALTMODE, @@ -39,6 +44,7 @@ struct pmic_glink { struct mutex state_lock; unsigned int client_state; unsigned int pdr_state; + bool pdr_available; =20 /* serializing clients list updates */ spinlock_t client_lock; @@ -203,17 +209,17 @@ static void pmic_glink_del_aux_device(struct pmic_gli= nk *pg, auxiliary_device_uninit(aux); } =20 -static void pmic_glink_state_notify_clients(struct pmic_glink *pg) +static void pmic_glink_state_notify_clients(struct pmic_glink *pg, unsigne= d int state) { struct pmic_glink_client *client; unsigned int new_state =3D pg->client_state; unsigned long flags; =20 if (pg->client_state !=3D SERVREG_SERVICE_STATE_UP) { - if (pg->pdr_state =3D=3D SERVREG_SERVICE_STATE_UP && pg->ept) + if (state =3D=3D SERVREG_SERVICE_STATE_UP && pg->ept) new_state =3D SERVREG_SERVICE_STATE_UP; } else { - if (pg->pdr_state =3D=3D SERVREG_SERVICE_STATE_DOWN || !pg->ept) + if (state =3D=3D SERVREG_SERVICE_STATE_DOWN || !pg->ept) new_state =3D SERVREG_SERVICE_STATE_DOWN; } =20 @@ -233,7 +239,7 @@ static void pmic_glink_pdr_callback(int state, char *sv= c_path, void *priv) guard(mutex)(&pg->state_lock); pg->pdr_state =3D state; =20 - pmic_glink_state_notify_clients(pg); + pmic_glink_state_notify_clients(pg, state); } =20 static int pmic_glink_rpmsg_probe(struct rpmsg_device *rpdev) @@ -246,10 +252,14 @@ static int pmic_glink_rpmsg_probe(struct rpmsg_device= *rpdev) return dev_err_probe(&rpdev->dev, -ENODEV, "no pmic_glink device to atta= ch to\n"); =20 dev_set_drvdata(&rpdev->dev, pg); + pg->pdr_available =3D rpdev->id.driver_data; =20 guard(mutex)(&pg->state_lock); pg->ept =3D rpdev->ept; - pmic_glink_state_notify_clients(pg); + if (pg->pdr_available) + pmic_glink_state_notify_clients(pg, pg->pdr_state); + else + pmic_glink_state_notify_clients(pg, SERVREG_SERVICE_STATE_UP); =20 return 0; } @@ -265,11 +275,15 @@ static void pmic_glink_rpmsg_remove(struct rpmsg_devi= ce *rpdev) =20 guard(mutex)(&pg->state_lock); pg->ept =3D NULL; - pmic_glink_state_notify_clients(pg); + if (pg->pdr_available) + pmic_glink_state_notify_clients(pg, pg->pdr_state); + else + pmic_glink_state_notify_clients(pg, SERVREG_SERVICE_STATE_DOWN); } =20 static const struct rpmsg_device_id pmic_glink_rpmsg_id_match[] =3D { - { "PMIC_RTR_ADSP_APPS" }, + {.name =3D "PMIC_RTR_ADSP_APPS", .driver_data =3D PMIC_GLINK_PDR_AVAIL }, + {.name =3D "PMIC_RTR_SOCCP_APPS", .driver_data =3D PMIC_GLINK_PDR_UNAVAIL= }, {} }; =20 --=20 2.34.1