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Tue, 27 Jan 2026 07:57:54 -0800 (PST) Received: from hu-gkohli-hyd.qualcomm.com ([202.46.23.25]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a802ede745sm120577465ad.44.2026.01.27.07.57.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 27 Jan 2026 07:57:54 -0800 (PST) From: Gaurav Kohli To: andersson@kernel.org, mathieu.poirier@linaro.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, rui.zhang@intel.com, lukasz.luba@arm.com, konradybcio@kernel.org, mani@kernel.org, casey.connolly@linaro.org, amit.kucheria@oss.qualcomm.com Cc: linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, gaurav.kohli@oss.qualcomm.com, manaf.pallikunhi@oss.qualcomm.com Subject: [PATCH v2 3/8] remoteproc: qcom: probe all child devices Date: Tue, 27 Jan 2026 21:27:17 +0530 Message-Id: <20260127155722.2797783-4-gaurav.kohli@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260127155722.2797783-1-gaurav.kohli@oss.qualcomm.com> References: <20260127155722.2797783-1-gaurav.kohli@oss.qualcomm.com> 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: 6gDUJoEGLz8d40pQggqwvNDejNDW8ia5 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTI3MDEzMCBTYWx0ZWRfX/mHbvtLc5alM FHuvbNHN1jc5ALaoSCYEA6wBb7QuGFfOTK8x2MpprmUVrXEPohigCPCd/H2VFT8nSSHvay8F5mk IDDys+rewk1aKDnIbVVjGlwGIl7S0Y3ABv+Xp0NrVp/EKIc6DwsLwj37z7d9/VIN77lfv2QLnWp dnxWz6Fw96hHS0QavQgzKk+49wc2TVghRH8E/v0zZm5O2dF+EOiyrm5FFM2wqTKWy5McKo3AhIq yCdYswpU/s+pjWL6UpqU9EVhwWYmtwu9gZ9ixd3PO/PCJheFix1QJu0U8ot4FCbt5ic7NrY3Md7 lK5TF3XdeIaPcIq34FigRNZBzMv6q9lgMX5oHXVmhhgRtX5IqE4ygpcIZnuQOB8cGZg8mXmM2W/ vU/zML61H+BzJHckuaTUHQjLYnSPF9StUErs5+v8KkWD1aPREOMqf7tA9uav/QN17g15/N8PZwT QmeW7c4aA/zvgmzlFIA== X-Authority-Analysis: v=2.4 cv=b+i/I9Gx c=1 sm=1 tr=0 ts=6978e084 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=ZePRamnt/+rB5gQjfz0u9A==:17 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=85acS0iEUgW5otQd-vMA:9 a=1OuFwYUASf3TG4hYMiVC:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-ORIG-GUID: 6gDUJoEGLz8d40pQggqwvNDejNDW8ia5 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=2026-01-27_03,2026-01-27_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 lowpriorityscore=0 clxscore=1015 phishscore=0 impostorscore=0 bulkscore=0 spamscore=0 priorityscore=1501 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601270130 Content-Type: text/plain; charset="utf-8" From: Casey Connolly Currently, only qcom,bam-dmux nodes are supported as remoteproc children with of_platform_populate(). This limits the other child nodes to probe separately. Generalise the qcom,bam-dmux child node support by probing all remoteproc children with of_platform_populate(). This enables support for devices that represent themselves as subnodes of the remoteproc, such as QMI clients. Signed-off-by: Casey Connolly Signed-off-by: Gaurav Kohli --- drivers/remoteproc/qcom_q6v5.c | 4 ++++ drivers/remoteproc/qcom_q6v5_mss.c | 8 -------- 2 files changed, 4 insertions(+), 8 deletions(-) diff --git a/drivers/remoteproc/qcom_q6v5.c b/drivers/remoteproc/qcom_q6v5.c index 58d5b85e58cd..a02839c7ed8c 100644 --- a/drivers/remoteproc/qcom_q6v5.c +++ b/drivers/remoteproc/qcom_q6v5.c @@ -6,6 +6,7 @@ * Copyright (C) 2014 Sony Mobile Communications AB * Copyright (c) 2012-2013, The Linux Foundation. All rights reserved. */ +#include #include #include #include @@ -351,6 +352,8 @@ int qcom_q6v5_init(struct qcom_q6v5 *q6v5, struct platf= orm_device *pdev, return dev_err_probe(&pdev->dev, PTR_ERR(q6v5->path), "failed to acquire interconnect path\n"); =20 + of_platform_populate(q6v5->dev->of_node, NULL, NULL, q6v5->dev); + return 0; } EXPORT_SYMBOL_GPL(qcom_q6v5_init); @@ -361,6 +364,7 @@ EXPORT_SYMBOL_GPL(qcom_q6v5_init); */ void qcom_q6v5_deinit(struct qcom_q6v5 *q6v5) { + of_platform_depopulate(q6v5->dev); qmp_put(q6v5->qmp); } EXPORT_SYMBOL_GPL(qcom_q6v5_deinit); diff --git a/drivers/remoteproc/qcom_q6v5_mss.c b/drivers/remoteproc/qcom_q= 6v5_mss.c index 91940977ca89..d40565c1cc62 100644 --- a/drivers/remoteproc/qcom_q6v5_mss.c +++ b/drivers/remoteproc/qcom_q6v5_mss.c @@ -238,7 +238,6 @@ struct q6v5 { struct qcom_rproc_pdm pdm_subdev; struct qcom_rproc_ssr ssr_subdev; struct qcom_sysmon *sysmon; - struct platform_device *bam_dmux; bool need_mem_protection; bool has_alt_reset; bool has_mba_logs; @@ -2029,7 +2028,6 @@ static int q6v5_alloc_memory_region(struct q6v5 *qpro= c) static int q6v5_probe(struct platform_device *pdev) { const struct rproc_hexagon_res *desc; - struct device_node *node; struct q6v5 *qproc; struct rproc *rproc; const char *mba_image; @@ -2163,10 +2161,6 @@ static int q6v5_probe(struct platform_device *pdev) if (ret) goto remove_sysmon_subdev; =20 - node =3D of_get_compatible_child(pdev->dev.of_node, "qcom,bam-dmux"); - qproc->bam_dmux =3D of_platform_device_create(node, NULL, &pdev->dev); - of_node_put(node); - return 0; =20 remove_sysmon_subdev: @@ -2186,8 +2180,6 @@ static void q6v5_remove(struct platform_device *pdev) struct q6v5 *qproc =3D platform_get_drvdata(pdev); struct rproc *rproc =3D qproc->rproc; =20 - if (qproc->bam_dmux) - of_platform_device_destroy(&qproc->bam_dmux->dev, NULL); rproc_del(rproc); =20 qcom_q6v5_deinit(&qproc->q6v5); --=20 2.34.1