From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=205.220.180.131 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1794351452; b=RnkB42m8aE478/dw+w16Dkxz3rxgzRqxWDR6hchla8v/kM5lLHNEkUaB+VJQuRj33LSE zSsowJIeuxiQvBUMOEej85z8adT2kT7E7HZfMk2JwR5GsgL0NjXdkcdjmfsWrv95R1sTb hrBxlTZiJOT3ZsN4yIRFA6fNBhShVhnrzaqZbQtxr9RJaoGqlDLJx49W86bEXjHEVIPEm fYNJNa8tHhE1/0ADrRS+dX41EH95AB9w+GtjO+E2lYyezzVsMCearktMQG902XnXLS/Qy KI2QEK7QZF2U7AHcLAZpcfXpZU4hnngc61EDUnEENkqe+0Odk3kCpmSq2yFhwK8GJDA== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1794351452; h=DMARC-Filter:Received:DKIM-Signature:Received:Received: DKIM-Signature:X-Google-DKIM-Signature:X-Forwarded-Encrypted: X-Gm-Message-State:X-Gm-Gg:X-Received:X-Received:Received:Date:From: To:Cc:Subject:Message-ID:In-Reply-To:References:Organization:X-Mailer: MIME-Version:Content-Type:Content-Transfer-Encoding: X-Authority-Analysis:X-Proofpoint-ORIG-GUID:X-Proofpoint-GUID: X-Proofpoint-Spam-Info:X-Proofpoint-Spam-Details-Enc: X-Proofpoint-Virus-Version:X-Proofpoint-Spam-Details; bh=delInrFccnRDmpD2O0gZtftiyVmvNs6sg+QiUy5od1A=; b=WCRIKrsp6OAk39TfWrAqeLkgqpvzHFeDapFF7l9TykQgHDwXedtIKw82Om9sMh2UCKTf bOqc9FMcyeH2fEVvSqjQnrebJTFJGd2OKTBMM20Qq+zBT8Rz0cxx8fYupzQUe6+9NoAO1 1YaHNk/7WhTNyl/Cmg+bVcfcuASP3NxnNM91ed+rYXxJL7vb8noscdIeIMOf/cljdUX58 liYDQviWC2SaAX6dLtrfZDr70ecadgaSrx0y3yVpF9gIEwZAYLtDlLHF36x1Yz0wJ3Iib ULLP6xOqUrklC13GKwaVTzKwCdOCyasnim7dEEIABJV0ZzSqY9gs7og5/rkTbU7UjzQ== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=oss.qualcomm.com; spf=pass smtp.mailfrom=oss.qualcomm.com; dkim=pass header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=Js6AusJU; dkim=pass header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=ISXlkT0g; arc=none smtp.remote-ip=205.220.180.131 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B811B606A325 for ; Tue, 10 Nov 2026 22:57:31 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org B811B606A325 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=oss.qualcomm.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256 header.s=qcppdkim1 header.b=Js6AusJU; dkim=pass (2048-bit key) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com header.a=rsa-sha256 header.s=google header.b=ISXlkT0g Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id 6AAML5Kv1117090 for ; Tue, 10 Nov 2026 22:57:30 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h= cc:content-transfer-encoding:content-type:date:from:in-reply-to :message-id:mime-version:references:subject:to; s=qcppdkim1; bh= delInrFccnRDmpD2O0gZtftiyVmvNs6sg+QiUy5od1A=; b=Js6AusJU1aJqM0Sm v85gNtaAorFofzWUIJj7Ha322GvPgEpTIeZVy1T9q4VzD4/LSFGttG0M6DoaGvk6 0ZHvrN1ExCGzKerskWkckIa2bJKrCw/J57iuco6mbbfZS2DR4xwSQmUJNQwy6ASM 5dsPklECATLC56/EJd6s2hg+aa7V7DKHOurFeqoV0m3SPrK2H9z6iz0Nu8+7ZyT2 Co/GBipnC5PRTxKG3gonvMdijBtHI3BZOpJ1K4C5qYn694totCReBFyZ4xZ6Trn1 EHnvY3KqFjffoFFWFc2vv490UPCKr42SksVLKistVAAVMyMZHmShPQLJt+RQc4cf Si6RnQ== Received: from mail-dy1-f197.google.com (mail-dy1-f197.google.com [74.125.82.197]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4hv4pva4ks-1 (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT) for ; Tue, 10 Nov 2026 22:57:30 +0000 (GMT) Received: by mail-dy1-f197.google.com with SMTP id 5a478bee46e88-375f0fd31f4so1238108eec.0 for ; Tue, 10 Nov 2026 14:57:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oss.qualcomm.com; s=google; t=1794351450; x=1794956250; darn=vger.kernel.org; h=content-transfer-encoding:content-type:mime-version:organization :references:in-reply-to:message-id:subject:cc:to:from:date:from:to :cc:subject:date:message-id:reply-to:content-type; bh=delInrFccnRDmpD2O0gZtftiyVmvNs6sg+QiUy5od1A=; b=ISXlkT0gdxS2LCoEVKNhs2+2BW0QEC6izaSBA9U9+id3U0YbvEauQtYDggoYEpbvDR gISrPnbIFNsVsmCd2leoL6Ff8J4SbE7NoRdmlHuwAoUBkxtn+8eN8QXRBWY+FX1WHxss 4xcD1YafpDWonBqlm7qe9zRIa9opzo0ElI+EEzn9gR5lliT8wpbCgv/kBPpHwl5lAJ/F eBMQw33JrCYfJX2D2RDSoEV+rlt5T3LsIwsPdNZySXSbK75OQP2qY9rcbnsovSdCrvuo MNSRm1T9o3iUHDQVX2wI/qJY8D8ZBu2J5KGalUW18FJmLvrhcW4UUafnhhePV6sUTQmZ Gohw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1794351450; x=1794956250; h=content-transfer-encoding:content-type:mime-version:organization :references:in-reply-to:message-id:subject:cc:to:from:date:x-gm-gg :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to :content-type; bh=delInrFccnRDmpD2O0gZtftiyVmvNs6sg+QiUy5od1A=; b=rKKrvumeun4wT7N/vQKDlfda5MTUlMfQEz3K4FiZrGJGuqnioRzCxx6i/2XoBMo9G7 1kmmiUlbqNTfkuqvIiUf5AgAQ2ZLR5p/2Bw1sZUEQhH8vmNnW9QfMnmEdoNWIfkPX4uJ W6yRuLkaTUL25liJ2KGrZ81xBzy6UzDIuEYTAEz93qOJ4KERI+PVqQQ9DWcdvwtvu7QY 0b+0kbv69zfz6u7iNyYReWZ7KmUdQOcb+80TBtCzJVDaJE/wBR5c1rr9YE8pKfucRNnr wuJCrQRanjRY5aBuYsGT78fLnl7ty26OOfX7e3jbM3AX/3V5k/YpreTOjloHaiuFDHHL zpvg== X-Forwarded-Encrypted: i=1; AL+hErFjksSrRv16N/U4/V/K+RCxjrMq0vMSAShP4WCpeTXvhWk9UCP2zJHJ0/vPIzXHUEBjTB3xIuZMSek=@vger.kernel.org X-Gm-Message-State: APuU4Z+bavY/1M85YFSwSQ5dNL6UYBZbPi78/jO7DT1bcmmaXVMFKZKr I3D7seOpX8TKvs1VDyGq6hIGlj8mdtOBAuBv368995eUisht8M2f/+SDGuUgW7GABvNuNQXNxEL dUSKKzuMrKYykwmRdg3yHCPhbsfBOgsHQlVvVPw57aDdnjNg04hvB27fUoVuDHYM= X-Gm-Gg: AYBFou1cCD0NIGddhqcXnL/G0l/hXsM4ZVzL1D/OCNXF98x96ll+erF2BxRrOTSLCl6 Vk4tf6r99THBO5y2W9Nf0zXFtjmYM7ZlkbVtGzf0GPz2QT3J0SVRA6tThBfZ7hJUUtiPUDQx5Na LO1EZF/se/h+bLxD9CoM86Yf23Xosi+n8Unsxbv5Msqhd+lPVHXisGDZyjR5EooiPl9IjsESoNf eIKpDleo9WAtZozVkYmTzDKLsWbGsG1zQWq61EVZRKSpytKSrZK5FGXoiO79yZdV2WGM+f3yVWY dgOGftX8hLK4pER4vEVGoRQXnthQyaC1L3kYTtzGk7wYWl/B11o51o7rOu2o5J2DHfprcTn7tyo u+EwGcYrbI/A6x41wM0q2LvLHN5NiW0YsNb5TT2lwSEz4TuCIQThaIvF8pZw1NNFmFXdcoSOG0c cAURRWRtPI0rDdOnpCjRgZynoYPNc= X-Received: by 2002:a05:693c:66d3:20b0:35e:f1a5:9ba6 with SMTP id 5a478bee46e88-37683188881mr1061678eec.5.1794351449656; Tue, 10 Nov 2026 14:57:29 -0800 (PST) X-Received: by 2002:a05:693c:66d3:20b0:35e:f1a5:9ba6 with SMTP id 5a478bee46e88-37683188881mr1061633eec.5.1794351449088; Tue, 10 Nov 2026 14:57:29 -0800 (PST) Received: from localhost (i-global254.qualcomm.com. [199.106.103.254]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-3752060dc0csm11561398eec.14.2026.11.10.14.57.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Nov 2026 14:57:28 -0800 (PST) Date: Tue, 10 Nov 2026 14:57:11 -0800 From: Jonathan Cameron To: Cristian Marussi Cc: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, arm-scmi@vger.kernel.org, linux-doc@vger.kernel.org, sudeep.holla@kernel.org, james.quinlan@broadcom.com, f.fainelli@gmail.com, vincent.guittot@linaro.org, etienne.carriere@st.com, peng.fan@oss.nxp.com, michal.simek@amd.com, d-gole@ti.com, elif.topuz@arm.com, lukasz.luba@arm.com, philip.radford@arm.com, david@kernel.org, souvik.chakravarty@arm.com, leitao@kernel.org, kas@kernel.org, puranjay@kernel.org, usama.arif@linux.dev, kernel-team@meta.com Subject: Re: [PATCH v15 27/35] firmware: arm_scmi: Expose per-instance identifier Message-ID: <20261110145711.00002217@oss.qualcomm.com> In-Reply-To: <20261109091221.2532706-28-cristian.marussi@arm.com> References: <20261109091221.2532706-1-cristian.marussi@arm.com> <20261109091221.2532706-28-cristian.marussi@arm.com> Organization: Qualcomm X-Mailer: Claws Mail 4.4.0 (GTK 3.24.51; x86_64-w64-mingw32) X-Mailing-List: linux-doc@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=XqZvqlF9 c=1 sm=1 tr=0 ts=6af3a15a cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=JYp8KDb2vCoCEuGobkYCKw==:17 a=kj9zAlcOel0A:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=7CQSdrXTAAAA:8 a=EUspDBNiAAAA:8 a=P0Bfr-jsjiM-HyT3fQwA:9 a=CjuIK1q_8ugA:10 a=PxkB5W3o20Ba91AHUih5:22 a=a-qgeE7W1pNrGK8U0ZQC:22 X-Proofpoint-ORIG-GUID: QD3ojobHMOAknHkXIvMI8maYih12XdAe X-Proofpoint-GUID: QD3ojobHMOAknHkXIvMI8maYih12XdAe X-Proofpoint-Spam-Info: AW1haW4tMjYxMTEwMDA5MSBTYWx0ZWRfX7r3B5iWIU/n0 ad8BtNHqtlXghsyUksx8AjqRP8VFWLuLVqYEBI/2zDanua+MA3dsinFjujJE6UGC3YSQpevlDEn 9jcXI9g804lDF64qdehFacSUkR/qmsk= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTEwMDA5MSBTYWx0ZWRfXwydNtDpVIICi Fsas4j9oUEdijlAHFv7PYDtPkmSYPibGIka0nlqCi4jVa68G1IL4ztFEMeeWHOP+C2bEOPDxGbo fhpXlimW0HMTiHba8r6I7rgfeGYhpELgtwXLvFAJkz6CY6teNb+CoqPneQQnbM8qkHwFxhUUADt nyg+un37Q9c0THaxHVKXGvI/HqCJqiBZSeCFQ24yHJGugeun/O0oPCu+1dZBSAcpZu+edbWcBkl s8wJBqFA33ZSfOQ6xiuZ00SWmkMQ0h79kVA3EDCnT99IHN+O+5i0YL9FZ0Wr4uO+Wtzs0hla4PU 5ky2D5yzQUIbc6/64WNN541qko2BWTZ3jOnuLqcZ2GBDqV+0v0XUSIr/dUsILSMtToZ3FJXvMxl ZpxB8UTpgb3OGiRlB+RQ/+Aq/bfFNHgnxW/LvpbSwMJrBx/HMgMfq0wJIJk4Fp8pyaGQgcXUY/F DwaYGmD22uE/AxR7RGQ== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-10_07,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 malwarescore=0 bulkscore=0 lowpriorityscore=0 adultscore=0 spamscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611100091 On Mon, 9 Nov 2026 09:12:13 +0000 Cristian Marussi wrote: > When multiple SCMI instances are configured, the SCMI stack probes and > it is initialized multiple times: one core stack for each defined instance. > > Each istance is simply identified internally with a number and such number > is already exposed to the user to name the root of the per-instance debugfs > subtree, if enabled. > > Expose such unique identifier to the SCMI drivers so that they can use > that same identifier when in need to name their per-instance resources. > > Signed-off-by: Cristian Marussi Reviewed-by: Jonathan Cameron