From nobody Mon Feb 9 22:40:03 2026 Received: from mail-pl1-f176.google.com (mail-pl1-f176.google.com [209.85.214.176]) (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 8631021103 for ; Mon, 19 Feb 2024 12:47:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.176 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708346866; cv=none; b=IpEyf7rWEix0lUIi+KhNwZE1rOXw78IR5OiVrVFfbZOXUqo8vfEpYQAt5bNeZ+jGMXqYWDFajXJr8Ra1eL2xs4JaXdIfC2sGTksgmpmholBEB2E//Eaoguqs1UmiETQU8DmAdUCpOrfLwLGVJaW8ZTgpig1phn5SwhM67/w/0+I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708346866; c=relaxed/simple; bh=Iu1hCL+k4RywacCt7yHfC9UxHzlI5KmI/z6GqVzTwfU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:To:Cc; b=EqcO+qbsGQCiaWWRiruId0c9bFkLEkaMQLQy/11nuAyh3UJE61NFbo5KQ0WKYuBtpZsNbqS4yiydHQkpUgN/PLgFMKSkATbuCu8Xp2HGGBzmfdxXjWA7DXZL8ZL3ILUUqhJAbV4Xd121mUajlxnMLubIrZhb8Xz6wOw5VQ5cZsc= 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=rhOFZ7Su; arc=none smtp.client-ip=209.85.214.176 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 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=marliere.net header.i=@marliere.net header.b="rhOFZ7Su" Received: by mail-pl1-f176.google.com with SMTP id d9443c01a7336-1db6e0996ceso30899925ad.2 for ; Mon, 19 Feb 2024 04:47:44 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708346864; x=1708951664; 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=Gg3plRH7tWyzTAZ8Yu9B+GKyBHwf2UTvxQ8qRJa7aGU=; b=v0icHV+7Ybbo586GQB8WthhMMOoNf6CLXzdoN93GGeWIdkkDi95vSLYqR4+kND2S5M zYJhEKm/BHKRgF2VKnUaNiOptpoUuDpNbL8TLiEOApuSp3GG+b/qMJdU/+ckBbIUBdlx 4lPfhfMhfHB58v4QiFv5Kcgqr5usGCNV1dI4jMaOdoma1Kyr93UhCCQbla0tyuYU8Jpc G4fwNPYxjGOVBeufWzWCuLyKl67DmEJLFu1265YprOi/NVU/PiruDDTupPiXouBKZfCW d2Q4sUwGsAiAZQ2h/TBOmSJh1VZDLCVqxzWui0QoupGi8bDWzkLOtd1EjG/CRoNEVe3C 12pA== X-Gm-Message-State: AOJu0Yzs/JoUHRSEsw+H7OyM+jGF6VXJmZW7E8kvtQf38TiR6wk+xTw7 RCywA8rU4HLZdyeqG9s2UIM9eM5uk++EcQpLKml5GLaJsys/GEi/ X-Google-Smtp-Source: AGHT+IGa+hW9W8mTxrgHkHRYZIA6TnHooumab8PXDXh2eJd53Plj2q7fVyxx6ECL3+Id61wL63HM8Q== X-Received: by 2002:a17:903:32c9:b0:1dc:147:18b4 with SMTP id i9-20020a17090332c900b001dc014718b4mr1415416plr.35.1708346863627; Mon, 19 Feb 2024 04:47:43 -0800 (PST) Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id w16-20020a1709029a9000b001db7ee44ff9sm4267296plp.263.2024.02.19.04.47.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 19 Feb 2024 04:47:43 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2024; t=1708346862; 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=Gg3plRH7tWyzTAZ8Yu9B+GKyBHwf2UTvxQ8qRJa7aGU=; b=rhOFZ7SuDz3me12MyZ0YJo8WqLiQIxeHeLLsrKmiUgH+/GB0kmnDKgeW0r/sNlTdIo26cm fuUify7jUzdDVhcAzUt0AkEAo9sNmWeIeJb59hFNf3cu7AmegGBT9xmvHn/R0PKlR9lNCG QBwhwUWnNwH1zY0dokj9p7lQMus+wAdbsj8kLEOA0Is+CjdO2R77pQ4sgJdb7PBOxoe72W LVgfRUVeeN7xxwkSnESta2K9xnhlTJJdSnGbZybGpMMZgdH63zCNRVUNBMPog2jQwnRX4T n28ciFD8oT9K/8fHHHlX5bGXR+nnFL+y0PlPd9VftqkoYxsTIqILU6jStjiINQ== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Mon, 19 Feb 2024 09:48:27 -0300 Subject: [PATCH] intel_th: 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: quoted-printable Message-Id: <20240219-device_cleanup-intel_th-v1-1-f4f62c2a298c@marliere.net> X-B4-Tracking: v=1; b=H4sIABpO02UC/x2MXQqAIBAGrxL7nKAS9HOViBD3qxbCQiuC6O5Jj wMz81BCFCTqiociLkmyhQymLMgvLsxQwpnJaltpa1rFWfIY/QoXzl1JOLCOx6LYT85YzTU3oFz vEZPc/7kf3vcDXqavrmkAAAA= To: Alexander Shishkin Cc: linux-kernel@vger.kernel.org, Greg Kroah-Hartman , "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=2220; i=ricardo@marliere.net; h=from:subject:message-id; bh=Iu1hCL+k4RywacCt7yHfC9UxHzlI5KmI/z6GqVzTwfU=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBl004cxu1xtF+rf8sDCfU0/Txb6MJV914fFwH6K Ig9KII5GOSJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZdNOHAAKCRDJC4p8Y4ZY prOdD/9IDJNVyu6OvuHykrwTS4h3yNlJhouPUPNIPNVGSBW9UIiyA2w6o2PFJSg1HLFtoBAsKom 7KvEXfORBAxpvSl4b3zKoEE2Ua58/T72rQO6Qg3dY4uKISieWIccWwRgGR0e8C56OPglq+By07u kpeiEe23BA3ySZfUzowtmQlBZI7ULM54PnohcjMc1GHn6k7Nu19YZNbgU3fuBBXY2VWPXp3oIMW Q3qCtHN6umcyMEycjk6sr9sr0rRTCmLDQf08qod7J+dNaGtIY0GOxxdKz4PkjI36o3YUYbcjRWS 8MAOXo66i1qE/vW5Dcepye4XTKSFLjGDVDbGFqCQb1T0oJYBnoWAZCmSvhK+5Zo+/jiqtNvKTDr 2hsRllHgMhc2ziNsi6wPf6exRUXe+FnJcPH06LsDrY0OJeqaXmm878UMMIyDasRYHq58tKvHQP9 FgcTZa30jCsmOejJspEitkUPFzTHa3/l+Cq+CbPrUkU0qs2LvQy8RLpjFc7KJlbBnNGeMwhuekr 4kVg7n7yt16oDPAaGu1izyEmxBv/rGgH8aO2k8QooAqOZb13FjWqVNRpU/IaqHb8JVU2UC9HNDJ AoZNvVVC74hHgh7NxTf3LTtAJwhr6ZSzvhT/jzwNS0koiyvYJqQvIs9qQbYjt0CzlRQsTLlkKLq k0bP2OAj0222iOA== 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 intel_th_source_device_type, intel_th_output_device_type, intel_th_switch_device_type and intel_th_device_type variables to be constant structures 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/intel_th/core.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/hwtracing/intel_th/core.c b/drivers/hwtracing/intel_th= /core.c index cc7f879bb175..3511f3618f2d 100644 --- a/drivers/hwtracing/intel_th/core.c +++ b/drivers/hwtracing/intel_th/core.c @@ -180,7 +180,7 @@ static void intel_th_device_release(struct device *dev) intel_th_device_free(to_intel_th_device(dev)); } =20 -static struct device_type intel_th_source_device_type =3D { +static const struct device_type intel_th_source_device_type =3D { .name =3D "intel_th_source_device", .release =3D intel_th_device_release, }; @@ -333,19 +333,19 @@ static struct attribute *intel_th_output_attrs[] =3D { =20 ATTRIBUTE_GROUPS(intel_th_output); =20 -static struct device_type intel_th_output_device_type =3D { +static const struct device_type intel_th_output_device_type =3D { .name =3D "intel_th_output_device", .groups =3D intel_th_output_groups, .release =3D intel_th_device_release, .devnode =3D intel_th_output_devnode, }; =20 -static struct device_type intel_th_switch_device_type =3D { +static const struct device_type intel_th_switch_device_type =3D { .name =3D "intel_th_switch_device", .release =3D intel_th_device_release, }; =20 -static struct device_type *intel_th_device_type[] =3D { +static const struct device_type *intel_th_device_type[] =3D { [INTEL_TH_SOURCE] =3D &intel_th_source_device_type, [INTEL_TH_OUTPUT] =3D &intel_th_output_device_type, [INTEL_TH_SWITCH] =3D &intel_th_switch_device_type, --- base-commit: b401b621758e46812da61fa58a67c3fd8d91de0d change-id: 20240219-device_cleanup-intel_th-dcfa120d7d8e Best regards, --=20 Ricardo B. Marliere