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[103.229.16.4]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-37c5228eb5bsm5577639a91.12.2026.06.17.04.07.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jun 2026 04:07:22 -0700 (PDT) From: Chunkai Deng Date: Wed, 17 Jun 2026 19:07:13 +0800 Subject: [PATCH v2 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: <20260617-rpmsg-improvements-v2-1-477d4eb569dc@oss.qualcomm.com> References: <20260617-rpmsg-improvements-v2-0-477d4eb569dc@oss.qualcomm.com> In-Reply-To: <20260617-rpmsg-improvements-v2-0-477d4eb569dc@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, Chunkai Deng , Dmitry Baryshkov X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1781694436; l=1360; i=chunkai.deng@oss.qualcomm.com; s=20260512; h=from:subject:message-id; bh=II+dTbwufhbfpgEni9YnBXDjz7wUC3yKUbJoATs2Sy0=; b=upEzPzUCiDVcQ8F0Qj9AFitMPP9spr72ixwHiSANg8FAQ8tjheyCny2Ys9waTjPwvmho8rkXO LuzrIB4eEX3ADdVai320r4vuYWxB8CT0YfICcFCBnCX/waTSqV20JBk X-Developer-Key: i=chunkai.deng@oss.qualcomm.com; a=ed25519; pk=NfifEElkZxgJ0ghUBxNu1RTaEqtoCGYDb0k5UzIRXOY= X-Proofpoint-Spam-Info: AW1haW4tMjYwNjE3MDEwNCBTYWx0ZWRfX9ag/RzUE+rOu ok+Z8MhgUZP2JqlrdOeqBkfTCAHADc4vhR7hi+2M6U48H4LEXu+qNuaYsLimhrwheIma+wzsTom bhC/OkwDbFHjJACYKrSvihxrE4zIY+E= X-Proofpoint-ORIG-GUID: jlkgPtlN9q2KGdhG4uprqimnT21FYTdJ X-Authority-Analysis: v=2.4 cv=R6oz39RX c=1 sm=1 tr=0 ts=6a327fec cx=c_pps a=UNFcQwm+pnOIJct1K4W+Mw==:117 a=nuhDOHQX5FNHPW3J6Bj6AA==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=EUspDBNiAAAA:8 a=Nqvb9vKcIXZEg_ORUGMA:9 a=QEXdDO2ut3YA:10 a=uKXjsCUrEbL0IQVhDsJ9:22 X-Proofpoint-GUID: jlkgPtlN9q2KGdhG4uprqimnT21FYTdJ X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjE3MDEwNCBTYWx0ZWRfX+RRLR2BpPyUC dfGR/h718QCUVJbLLQeDAivAPs//OFe1n76Hsh+4UuStXoLEeSJl4omvCah+Sbxe31KfL0i1b0W eKfHat+zTXphMSpJP9wQm9SHY80qSiHgOznsp5Yn3rcyl8uWJ3XbUmYc5b0jYGR4TzITUd4W/Wv yAkL3JK0vi7aVX0YAzZbxiRk5j1mEZ2m0I4MIwvFVvU7pF15VcuLr4Cav/9R0Joro1/cub/tT1F vaRnAdxSbHRWLgVVd19ovL/32biG1UyD0eErJv9Pgu3GDUlFajQSMJ/2Z9/jF48TumAJa6FXZka N1G8+mQQVqkGFjOw5iFvihONimTZJCF2uwqyVTO02kSpW3xTFWNAuCGksjNXhc57q4w8kJtQoV1 TyguwwjBkI/jybtbRCgNof7ai0MJ7dUNO5spd2BRpi4EJwVj6/VugS4G0NwHNvfeWehn4vk+8V6 sk3xAGg2obtZ0/yI75Q== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-17_01,2026-06-16_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 clxscore=1015 impostorscore=0 phishscore=0 lowpriorityscore=0 suspectscore=0 priorityscore=1501 malwarescore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2606170104 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