Received: by 2002:a05:7412:cfc7:b0:fc:a2b0:25d7 with SMTP id by7csp1143831rdb; Mon, 19 Feb 2024 05:52:28 -0800 (PST) X-Forwarded-Encrypted: i=3; AJvYcCWlZefSedAdRhHCUEGlagIyfqlZl7NNfwAE/BIApoqx8zOrie0pZcVPXeq5THTU7xi6nzSaL2Kpu6oYArmjDtOQP7cu89uyz/xQHE0Q9g== X-Google-Smtp-Source: AGHT+IEhWqU+qF8XNzdI3OK+8l7pJpu1+sVsYWr6uqsPM0iI2EfXNAIrKvvilhoa6b6HsyR9rakV X-Received: by 2002:a17:906:16c5:b0:a3c:eb19:8e9d with SMTP id t5-20020a17090616c500b00a3ceb198e9dmr8157237ejd.51.1708350748152; Mon, 19 Feb 2024 05:52:28 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1708350748; cv=pass; d=google.com; s=arc-20160816; b=f6jktA6tapzEILMB93rJmYJvWrMzQnPX+B4AaacSY50kJm/0TLOLigN06mbkP5gxW3 4gnaCKDtfolGFSEkfr9/Gma0iBgZ7xYfMdwtooOanQED4BJTNuCnfgUBMK0friPTxLk7 bULnX3L5JOS9ACkVyswbBLPliq+7c4wgXyzt6wwgeKlLDtw1sekBG/DAAIf/a84xRKrZ 5ACIRSsvrXLaa0hd35sqD74ZSk9wDrrdkf6/xRhM9StjGPYlyLSK2RwRZ37l557xHX57 uv3e0iIhIvu3JxF+V4LD+VWY4u06/0gjKJ4NJCxlpRzY8EYRCpof2k1dHL2MC6Yjny4/ WTUQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:message-id:content-transfer-encoding:mime-version :list-unsubscribe:list-subscribe:list-id:precedence:subject:date :dkim-signature:from; bh=5hCbb91LZg17Wp1703NTIdkEmdQ7ht4A59WAeQFYJjw=; fh=hxbHecpiTlqgJNWQNeZKBA3uchN8OEgxEnktQ7jl/+g=; b=FrfwSk5C4Oq2gIJyV9FOg3RinUuYSxxoLgc3hAVlKpFzJzL+IAf6m9lA6XHGaqFYXi JxLrEECScIzUuOKOo2Ab6Kw8ojgf2DDZBwoZUfnaeqk8/tAV+cRXFxz2R/pcVWqaULnS xOAKO45EYVvfT3TvuYnDqzfbhJKw2ZKYN6zhidgziA6dHT+xv/wLSq3pPeybLeZVvfmZ LtX90DBH6Q9hzie9bE1UuCeqCm6iwQ0Ne/5w+yN7gNtr9znOsNF6c981OQWJarpk3HPy Wvkqx5ohG+Baeeo0kZZCacXOiHxEjdPZExPQiaopxCcmGY59oXuxsdcpsWLj0PJqERTn T47g==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@marliere.net header.s=2024 header.b=DBQK3xkq; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=marliere.net dmarc=pass fromdomain=marliere.net); spf=pass (google.com: domain of linux-kernel+bounces-71423-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-71423-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=marliere.net Return-Path: Received: from am.mirrors.kernel.org (am.mirrors.kernel.org. [147.75.80.249]) by mx.google.com with ESMTPS id qb2-20020a1709077e8200b00a3e91ecd95fsi961033ejc.121.2024.02.19.05.52.28 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Feb 2024 05:52:28 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-71423-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) client-ip=147.75.80.249; Authentication-Results: mx.google.com; dkim=pass header.i=@marliere.net header.s=2024 header.b=DBQK3xkq; arc=pass (i=1 spf=pass spfdomain=gmail.com dkim=pass dkdomain=marliere.net dmarc=pass fromdomain=marliere.net); spf=pass (google.com: domain of linux-kernel+bounces-71423-linux.lists.archive=gmail.com@vger.kernel.org designates 147.75.80.249 as permitted sender) smtp.mailfrom="linux-kernel+bounces-71423-linux.lists.archive=gmail.com@vger.kernel.org"; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=marliere.net Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by am.mirrors.kernel.org (Postfix) with ESMTPS id 129501F24E28 for ; Mon, 19 Feb 2024 13:42:35 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id AFB33364AB; Mon, 19 Feb 2024 13:42:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marliere.net header.i=@marliere.net header.b="DBQK3xkq" Received: from mail-pl1-f175.google.com (mail-pl1-f175.google.com [209.85.214.175]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4FA8D1EB36 for ; Mon, 19 Feb 2024 13:42:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.175 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708350149; cv=none; b=q51gJ3nGjramk0XEwb8wYPyBXtewwZFQfhBXhi0u98hjKXe40CxU3HHpfHIY9Q94AT0COpmgKYuOTylTGAy6AZ8dbhlxwiEFi6QwY8WLH+FaA4+Lisw24EDWalg1AjSeg8pnco2RTjdhwW1TrR/crURnckSo+zrrsxlVeVy9hWk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708350149; c=relaxed/simple; bh=7FYwAIqJPOo+/GNhw9YDi/8XPC844pxmvctdg+9ta9o=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=RzjI/GQwdB1Ij+IST5qE+EBiscXjl+F+RVYozSrl/hcJOcS3hW8yXBYnlwyMgace0AXCwDiParun5i349UpW/fQj58zkDKUt0VTEwB+t5R376IcvL21VmuUJ09oWCQ66V5bfMAI9ScaDZVJHbEVUMc+6gKfvCVaomGSDmHHqh0c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=marliere.net; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=marliere.net header.i=@marliere.net header.b=DBQK3xkq; arc=none smtp.client-ip=209.85.214.175 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=marliere.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-f175.google.com with SMTP id d9443c01a7336-1dbd32cff0bso10865935ad.0 for ; Mon, 19 Feb 2024 05:42:28 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708350147; x=1708954947; h=cc:to:message-id:content-transfer-encoding:mime-version:subject :date:dkim-signature:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=5hCbb91LZg17Wp1703NTIdkEmdQ7ht4A59WAeQFYJjw=; b=OiZlqsjQFPOtiGTiIIAX2qmcwQTipiRIlsx9SxI1mN/rnOJfGe+iuogY9sHJ4ML+7f Goyji4wgS8KT72cyGk9pQ/W0lvIMV75UDzW24rDsxP3PR0C0XYrwrVrnVbeX2RBkY3xF Tqk5gJpOBpd+VPuL4L3y31Lx8e+WYbNK+df8ba7PU5Aovr04LcI59NXJX9fN6EnQm4Gj oc7SrDSzMV+sWsiFFwTXconi5p8FTF+VyEz5q7z5H6o6z84gEtLmG27EPT6hVLU78Jc+ gWPbDRXcHyaF7vrvkkheIBD2Za+XMnN9IUUXmJN1rvIsxXVMWDqiJuUPxWyozEQkih4T cqTQ== X-Forwarded-Encrypted: i=1; AJvYcCVT6JQnI9ZR6ZpDBammIkIQsBJbRyrtVnxOdsKc6YwxbSRxHHhwnVI/aiTkHIic1mwAuUjwYefB2jbFU9ySKmkfJOp2/MQQcCr1xUEF X-Gm-Message-State: AOJu0Yw7NwOlaSJB8fwEZKS/lkxn/wHZd6JtTCadNiZo2zBbP6x+3Lx3 mCSiFUbk/Sts4JxpBBnGPcmH4uuTux7WgnBvCO0IWqCkB8fpkPmZ X-Received: by 2002:a17:902:f688:b0:1dc:16:8ff7 with SMTP id l8-20020a170902f68800b001dc00168ff7mr1376236plg.34.1708350146586; Mon, 19 Feb 2024 05:42:26 -0800 (PST) Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id j6-20020a17090276c600b001da1ecb05f9sm4350695plt.240.2024.02.19.05.42.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Feb 2024 05:42:25 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1708350143; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=5hCbb91LZg17Wp1703NTIdkEmdQ7ht4A59WAeQFYJjw=; b=DBQK3xkqpHMHWH491e9teIneAjCYZkjvYWOaubRQtHUt5cRqTn5bwLWyVGLQuybXGV+p2J C+kwPdkn0AYWQfaBoIbEnRYNB+51D/rCL2Yn0hZPE6UoAQHnF08V5ea5et4OJUpMeQjh9l 9YPAFkAXeXyDIq2TnAWO+ZcMcJhBSz83p562C1fqWMkC2yhfVhzlpchwj/HlHMZmVfuWgI uIizBENwhqbbIzZJd5iN9Cw2Y82nSMpzFZSi+j6ewaVCbjf0EQvXjiumodHIPOrW8SdNi6 aKTmzQRzlExTXCoeoGOYFMhYyro19erZoMP3R2KMIieH9fsxrvya5hbQBI5bhA== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Mon, 19 Feb 2024 10:43:05 -0300 Subject: [PATCH] coresight: constify the struct device_type usage 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: <20240219-device_cleanup-coresight-v1-1-4a8a0b816183@marliere.net> X-B4-Tracking: v=1; b=H4sIAOha02UC/x2MQQqAIBAAvxJ7TlilDvWViDBdcyE0tCII/550H JiZFzIlpgxj80KimzPHUEG2DRivw0aCbWVQqDpUchC2SoYWs5MO1yFMTJR586dAXDWis71TEmp +JHL8/OtpLuUD/L73BGoAAAA= To: Suzuki K Poulose , Mike Leach , James Clark , Alexander Shishkin Cc: coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=1817; i=ricardo@marliere.net; h=from:subject:message-id; bh=7FYwAIqJPOo+/GNhw9YDi/8XPC844pxmvctdg+9ta9o=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBl01rrr/LNihLyLmdZDrxO9VAzIRzxhqLl2rU1f 0m3suFT1aGJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZdNa6wAKCRDJC4p8Y4ZY pgTrEACQ+fnhj9eXHtsFbJoctmcQ1nI849nNR6aoCcnMCYWuzFaw6RW4RN5tLni8089P37dN4Fm ekerCZTGfmRMIHW8+YD5ZvZ6Uexk85lcjKgHVLGKh6kLndFRIZaeGB2tvZ4jJzSLtmCP720o9bq qdcZorHzp4caoh1kMP/URzeDcKb0dXFZ52kT8TIrz5Z26YHc2k8oPu0En7IoESCnNhLF1o1lsqs OCzPIc2OaH49chTQy7SGCMSKRSrdUEsYkpQp7KrY+VSLgxFYDXq98ZBK4cAC2Cjh2qhxYY/9KXt jbySorO6j/ueLRg742VDIUjkAbkkkiuNm9uQ/oWki5K7ffzCQoNLa1vSDU3Im/m+L7eQy3AyWHy EPVwL5e68dIXXdbnkl/4J7SFfyCBThpskCkqha37uwSAcfJjqCpF2UPSAhwoorbAWxM6wmXLSHF ZDWY48Do6NVNNRPT+oTT4sFDbCYYgP+YsaheEL6DDwpju0/H8zH7+yjO+evesoQw5g2DRPhCoVl EFdYNw9QYEzbC4zq1pjTX65JuO7PZ67/G4gfkRXFGgnuUxFS0HmHRbix0AMYB108ODu8XD/NWN5 JMCNZUP1vDXrzqIpV+fmVNSGs0SzYP2oK6tHmiS1PMFD1hDrq4SgnOTWtuADpa10QA9sL0xCJV7 ej0bGj92VKzrQEQ== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 Since commit aed65af1cc2f ("drivers: make device_type const"), the driver core can properly handle constant struct device_type. Move the coresight_dev_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Cc: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- drivers/hwtracing/coresight/coresight-priv.h | 2 +- drivers/hwtracing/coresight/coresight-sysfs.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/hwtracing/coresight/coresight-priv.h b/drivers/hwtracing/coresight/coresight-priv.h index eb365236f9a9..ca3362cbdb70 100644 --- a/drivers/hwtracing/coresight/coresight-priv.h +++ b/drivers/hwtracing/coresight/coresight-priv.h @@ -13,7 +13,7 @@ #include extern struct mutex coresight_mutex; -extern struct device_type coresight_dev_type[]; +extern const struct device_type coresight_dev_type[]; /* * Coresight management registers (0xf00-0xfcc) diff --git a/drivers/hwtracing/coresight/coresight-sysfs.c b/drivers/hwtracing/coresight/coresight-sysfs.c index f9444e2cb1d9..1e67cc7758d7 100644 --- a/drivers/hwtracing/coresight/coresight-sysfs.c +++ b/drivers/hwtracing/coresight/coresight-sysfs.c @@ -377,7 +377,7 @@ static struct attribute *coresight_source_attrs[] = { }; ATTRIBUTE_GROUPS(coresight_source); -struct device_type coresight_dev_type[] = { +const struct device_type coresight_dev_type[] = { [CORESIGHT_DEV_TYPE_SINK] = { .name = "sink", .groups = coresight_sink_groups, --- base-commit: c099fdd218a0fedfe87e0b88d2ba0667eab3b3c8 change-id: 20240219-device_cleanup-coresight-00ba00fd5f21 Best regards, -- Ricardo B. Marliere