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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84c2af6e3e0sm5628822b3a.43.2026.07.20.06.28.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 20 Jul 2026 06:28:57 -0700 (PDT) From: Chunkai Deng Date: Mon, 20 Jul 2026 21:25:52 +0800 Subject: [PATCH v3 1/2] rpmsg: glink: smem: Use device name as IRQ name Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260720-rpmsg-improvements-v3-1-e7b6070186bd@oss.qualcomm.com> References: <20260720-rpmsg-improvements-v3-0-e7b6070186bd@oss.qualcomm.com> In-Reply-To: <20260720-rpmsg-improvements-v3-0-e7b6070186bd@oss.qualcomm.com> To: Bjorn Andersson , Mathieu Poirier Cc: linux-arm-msm@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-kernel@vger.kernel.org, chris.lew@oss.qualcomm.com, tony.truong@oss.qualcomm.com, dmitry.baryshkov@oss.qualcomm.com, Chunkai Deng X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1784554132; l=1360; i=chunkai.deng@oss.qualcomm.com; s=20260512; h=from:subject:message-id; bh=II+dTbwufhbfpgEni9YnBXDjz7wUC3yKUbJoATs2Sy0=; b=okIJZHRXPSjsp1sepbCVpZhksl4sbPqjPOxDXlDMhA1LOAVVf6pLAA0NFtNbxiGlBx/oVJ84o wRzFaUBrCrEDQqZImu0A64fgupq2EerEi4Wj3iTuvq4RMAXT8KLtlOs X-Developer-Key: i=chunkai.deng@oss.qualcomm.com; a=ed25519; pk=NfifEElkZxgJ0ghUBxNu1RTaEqtoCGYDb0k5UzIRXOY= X-Proofpoint-ORIG-GUID: Y60Kuc7ChzdD74iP4cQWJVPv-3tFtKCV X-Proofpoint-Spam-Info: AW1haW4tMjYwNzIwMDE1MCBTYWx0ZWRfX7KT6Gl92bXaZ KZLHA7K4zqp7KatEE1kmYNr8cYAPkVZNL2+YjW08eS2qaq6Rt7aZ7r7sPcAhDkXcYpw9cWVF1l0 wq1+VUpMS4/rjz1mXxOLUuZEzfbDMp4= X-Authority-Analysis: v=2.4 cv=G58s1dk5 c=1 sm=1 tr=0 ts=6a5e229b cx=c_pps a=mDZGXZTwRPZaeRUbqKGCBw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=EUspDBNiAAAA:8 a=Nqvb9vKcIXZEg_ORUGMA:9 a=QEXdDO2ut3YA:10 a=zc0IvFSfCIW2DFIPzwfm:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzIwMDE1MCBTYWx0ZWRfXy9Jsqkkz96Uv tDPI9LZIVHaHW6xhq+3ICToFgRS3pKdGooUff/ENwB0DlOHFgSgNHWO8KUCcXLxs04zHYoDzgro TkEwkcSuRebfcWEkrvBO7WisDzqy70RSi9kITz2ltjcjNr1JkdnXrQSdoSaJ4jWqodAvCit9Kwo J9LUzVjWKI3SSNypVHkgqOZeHfjbc/BceN3+Y69fbhDwXTIKcMVDPxaMWL9uPQ3lJ+Wj72psrdi ZgbXbW4QVB5iHR1UkIvij0U3WITR8+PM+9D7eonHm/yBRMQ++ldvVoqrnSvMlqS9JDVICX53eyM tDvltMgvrJwP+lxiW9y1kV+28jAo1V8akzSYXpg3E//buTte4S5eQ8N0x0fmlEKUS6GIJXD+K8n Jgcua+wSehR6wUZG8DYSl2O5f7yzS89crlCZzWrBfy7c1tZ8rrV5dU9Q80hDJr7a1LTej+RYw2z H/jXJOvmh/7CULRv+qQ== X-Proofpoint-GUID: Y60Kuc7ChzdD74iP4cQWJVPv-3tFtKCV X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-20_02,2026-07-20_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 clxscore=1015 spamscore=0 lowpriorityscore=0 malwarescore=0 adultscore=0 phishscore=0 bulkscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607200150 A SoC typically has multiple remoteprocs (ADSP, MPSS, CDSP, etc.), each registering its own SMEM GLINK instance. With the static name "glink-smem" all instances appear identically in /proc/interrupts, making it impossible to associate an IRQ with a specific remote processor. Pass dev_name(&smem->dev) to devm_request_irq() instead. The device name is already set to ":" which uniquely identifies each instance without requiring an additional field in the driver struct. Reviewed-by: Dmitry Baryshkov Signed-off-by: Chunkai Deng --- drivers/rpmsg/qcom_glink_smem.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/rpmsg/qcom_glink_smem.c b/drivers/rpmsg/qcom_glink_smem.c index 62adc4db2317..edab912557ac 100644 --- a/drivers/rpmsg/qcom_glink_smem.c +++ b/drivers/rpmsg/qcom_glink_smem.c @@ -307,7 +307,7 @@ struct qcom_glink_smem *qcom_glink_smem_register(struct device *parent, smem->irq = of_irq_get(smem->dev.of_node, 0); ret = devm_request_irq(&smem->dev, smem->irq, qcom_glink_smem_intr, IRQF_NO_SUSPEND | IRQF_NO_AUTOEN, - "glink-smem", smem); + dev_name(&smem->dev), smem); if (ret) { dev_err(&smem->dev, "failed to request IRQ\n"); goto err_put_dev; -- 2.34.1