From patchwork Sat Feb 3 19:14:50 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Ricardo B. Marliere" X-Patchwork-Id: 196364 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7301:168b:b0:106:860b:bbdd with SMTP id ma11csp47015dyb; Sat, 3 Feb 2024 11:15:07 -0800 (PST) X-Google-Smtp-Source: AGHT+IE+qsg6n/iVcOcnPruL438HOJ6wr4ucIUrvwOTtUW5O6Yv8Tym2SrUhP61wS4UYNwMsp2+A X-Received: by 2002:a17:902:dac4:b0:1d9:4297:5257 with SMTP id q4-20020a170902dac400b001d942975257mr7268224plx.10.1706987707425; Sat, 03 Feb 2024 11:15:07 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1706987707; cv=pass; d=google.com; s=arc-20160816; b=CB33L6XrYwNI+pP4zeAq2pyVFQZKBxyY7ZuE6/BuxMw24GmkJytqUwRDLB6WHO6gyQ w6XbA8yIn+8Tl6W2KbbU/rTJFQeMWEQdNPJ+3vhGaguKvtUyxDGzB1ZU5fS95BjYIRbR GdOBY9CdpeqvP59iNCJVss2l56ZZynFoxQ/m7KSWKDpozIyeqwxbtjbcPb617Qk+tiZX fqotfYnKCO9A2jprCyUGvk1MMjW/z6GDVMJUhcBrvT+IdrQFeTaO/Vf8ICJZMPuPTUoL ZgU3nkBVLVM07Eus4Zwlcqt71rqsq8YSEd8Czx/uMf02kwOn6YOyvEUWgymjJndyGJfR pTlg== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:list-unsubscribe:list-subscribe:list-id:precedence :subject:date:dkim-signature:from; bh=oJET0TJH1U65NigEFEtlflIn1ibg/vn9cYHzNhQWszQ=; fh=WwIgdQ2ZuCraASaE0XVC1mG5YRHvbv9ZVdQDeEnKjcE=; b=GcQCu26V63WymPviqW9B9OfGjlK2r5AwTAnGN9dmFIQRvc+/efHGnBI1Ooars7zK+J ECXRnPzAsFX/euOwDgwOdz9ANoC4ssBZ/bORhykQyNJ3GRBFXYek7HolTahR2IkpH7E9 nq/L8MdtXWRWO5DbXuDkxyMzhJIX1AY/n9w8ag/u6DyPZJdIesq3sHBPYUG4/oPzZ7jk SbveSupbGDohDwPcJfp19y1xwMoJ7QqLy/bFTUpoJ70/DfdCSAc0SSmzDLwqv3tPwUJK n61P6eqMeynxq8NKWXRRcLCRV6XBwITRCoGKoDW4e1n9Mq+Ns8HUmt5pRV9oSVk6Dixq bdNA==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=temperror (no key for signature) header.i=@marliere.net header.s=2023 header.b=WpUvm5OD; arc=pass (i=1 spf=pass spfdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-51264-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-51264-ouuuleilei=gmail.com@vger.kernel.org" X-Forwarded-Encrypted: i=1; AJvYcCUR9N8ZureDQ13ERCej6qa4JLjJmjYpmAuQiXQr3E1c89VxBZIJxSf7ZFZI8x39EE/9nSlVFRFn/fdq1s01QN1/5kS3/w== Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id a19-20020a170902b59300b001d950cac4e0si3481665pls.557.2024.02.03.11.15.07 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 03 Feb 2024 11:15:07 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-51264-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=temperror (no key for signature) header.i=@marliere.net header.s=2023 header.b=WpUvm5OD; arc=pass (i=1 spf=pass spfdomain=gmail.com); spf=pass (google.com: domain of linux-kernel+bounces-51264-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-51264-ouuuleilei=gmail.com@vger.kernel.org" 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 sv.mirrors.kernel.org (Postfix) with ESMTPS id 376062826B9 for ; Sat, 3 Feb 2024 19:15:07 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id F1B376024E; Sat, 3 Feb 2024 19:14:40 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=marliere.net header.i=@marliere.net header.b="WpUvm5OD" Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (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 9C9905FBB0; Sat, 3 Feb 2024 19:14:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706987678; cv=none; b=P9ODdhE9CRFiTSTZb/BgGU1Z+GYN763WlkWXObD4iVGPanNPaUuIkO0eSjRgxHkO12VZD/hhq5QYhHbX2v2a99w/9mNmYoTbak/KVAGP0e9ATky0/sRI7IFE+HbeXmqw1yrz636DL8NNLnwVYbtcWJIK8qsFK1JZ3facIaRYYOE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706987678; c=relaxed/simple; bh=YJgAF4TThke/vMQrMJy8V92C3oDBIvbtDIV3XI4K9Fw=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=IoknppJOw8RTZ4Y9kdDpX0EGGgOMDHp5agUOoMc4WijKd1Je7pS4DgjDh5/XnWlQqDGCM0wyc7mreDX7desnn6TSZvPPgIXu/FGYbWoAZVz+36Wo+pc3c69EiIzyX0rMSbZaW4Jkv0cbP099QVnI+2LWUsydpg0PeQh4bpByZyE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=marliere.net; spf=pass smtp.mailfrom=gmail.com; dkim=fail (0-bit key) header.d=marliere.net header.i=@marliere.net header.b=WpUvm5OD reason="key not found in DNS"; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=marliere.net Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-1d95d67ff45so19917415ad.2; Sat, 03 Feb 2024 11:14:36 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1706987676; x=1707592476; h=cc:to:in-reply-to:references: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=oJET0TJH1U65NigEFEtlflIn1ibg/vn9cYHzNhQWszQ=; b=IykI8DhhXA3+grI8vBgxVU/+xk6uO7ihonwjUE9P4iQNZMlycLjEbCqNzPqmhYrEtW 2BkskKkpipw2eimxHbHM8KNDh7RaU9q4z5GzDO4pn8Pcep7o+L//l14v5fYA0yBsH9g5 vQN7eje/C99wiyIZBLC00WFiiCoW7pULLD90FV/Rasuud4Zx6/Hpw4IV8QCofYwM2OpK Vtsm8lQFO/nbVxZAC5nCMFRvoXAs+rEbxynddYBrBmJPr9IHKKyGTaklwc/80GhnubN7 Phohm+KMeF/dYUR1Z8jD6W11325/Y4qco5Qz4WBlx3JivDYMH60c2qDctcKbjdBOME6n DGwQ== X-Gm-Message-State: AOJu0YyFpanqJVI/4tV2pvMSkwL/Cmxg3m17KFKYfXQh3XFFaoS4jlZo gk0MFRkf+JfFvgxAkaNFVFPAr0VleFkh6magJQSaUxX8fnwNm6pcNhqzNUHHmL9IiQ== X-Received: by 2002:a17:903:94d:b0:1d8:b6c8:d9e0 with SMTP id ma13-20020a170903094d00b001d8b6c8d9e0mr6296162plb.68.1706987675889; Sat, 03 Feb 2024 11:14:35 -0800 (PST) X-Forwarded-Encrypted: i=0; AJvYcCVe5Riw6nr/e/D4wQcwZT+XkvPffOZQR5FrR9jAUcXg2HBHjniBzX73skIE0njlRrJ4iwU601xHl6DQ48DyH56lIGQpdDxayCB/INvxlBgyXPjgsW7LHQ+/+StbJvf9aXIQGT7iUqr9sNSNOU7LcMIVF62q9XQGEAAsH6P8x6g= Received: from mail.marliere.net ([24.199.118.162]) by smtp.gmail.com with ESMTPSA id jg3-20020a17090326c300b001d94871ba92sm3547187plb.239.2024.02.03.11.14.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 03 Feb 2024 11:14:35 -0800 (PST) From: "Ricardo B. Marliere" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=marliere.net; s=2023; t=1706987674; 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: in-reply-to:in-reply-to:references:references; bh=oJET0TJH1U65NigEFEtlflIn1ibg/vn9cYHzNhQWszQ=; b=WpUvm5ODeKQ184FHczRUdAoK5W4vWELK+4J/2DKWO9zIwcu3f1wGYXsVq+6XKQec8rPulU YO7OKrSVRLnn/W3ykO01XUHhFQlOUR37eI55n0zch9Y8+qWkHhwVlT13aZSSliMTRoQsbc 5/2BrzM64x01MrbEkAsyx73zpoeSKQ4OkzoKuCuEaZhfJYsoFxiIrEoCGA26ZjHParzDBV 26MdH1GhBejDVNEUSJHTf25azF3fN69QBnm1cV3Bo/E7dNJa2U9FmMVTkf+9BUeO7JgM+j X4Dwwy2d5Nq/DbKXgfJ9FKuwxRLre55BWMya0+Hl1N/CRY94KqIFtgNTARfo8w== Authentication-Results: ORIGINATING; auth=pass smtp.auth=ricardo@marliere.net smtp.mailfrom=ricardo@marliere.net Date: Sat, 03 Feb 2024 16:14:50 -0300 Subject: [PATCH 1/2] serdev: make serdev_bus_type const Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240203-bus_cleanup-tty-v1-1-86b698c82efe@marliere.net> References: <20240203-bus_cleanup-tty-v1-0-86b698c82efe@marliere.net> In-Reply-To: <20240203-bus_cleanup-tty-v1-0-86b698c82efe@marliere.net> To: Rob Herring , Greg Kroah-Hartman , Jiri Slaby Cc: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, "Ricardo B. Marliere" X-Developer-Signature: v=1; a=openpgp-sha256; l=916; i=ricardo@marliere.net; h=from:subject:message-id; bh=YJgAF4TThke/vMQrMJy8V92C3oDBIvbtDIV3XI4K9Fw=; b=owEBbQKS/ZANAwAKAckLinxjhlimAcsmYgBlvpCzAPRaxZq1wR9wnA9A7wR1tx4JGhSOm1ThK W1p/hqZIOCJAjMEAAEKAB0WIQQDCo6eQk7jwGVXh+HJC4p8Y4ZYpgUCZb6QswAKCRDJC4p8Y4ZY piGhEACsCq/odfPalxovqRLgpSHql9eQe9yrxXoUeuZ+7hpUU0kDjLWhF+Ig0gknh5YdAbXZR8M 0soGGusjWuR1QnJ1gMN3N4dOOhmewcaa/WHuFJtz+wkrTUzrRn/G9JRuZg/FdgL/TO7pu21PU0w OTDgsAHH5b4cynQeuIUhK0gf8LCucwjQkYsrvsEn53rh+qjb47WG3erA0N1upYLjyyKI7asm2Ah YKcfdp76x6hDy36RT8nNpdmkhigg1pqVk2XIlOhAV0aSTGwhXDLNo0+2ixobpnnc9K8Sn9eszaV 4TQ7DqyRDkQOX8bHDh6imbhOH/d+TYQK4x+s0IgIQ1R65i3mcHaxHvTCoRoupVsYPJDHRNNUwVy 7+HV6D59xa/m3jnvchVBJYD+GasD0AQ2ZCPzyW8A4j1AI3q/6xCM4UDlcZcq6RJWP8zeLA7vDne CseH+hAFU1+IHwQrrdWmaJVXPylTXfjLX97oZjIK3ho6/ae2aUlcQ7sqCPm9afNL/i9n5A07fw5 0q+dWqlqiTqjEjHQImMJpmUGnkG/HzbnO+SQfKsujtOCejI2KxJ6sVueEz8n7o1CiIxFaTwQrAc Sm+Yp3pCa367fwUU88WLqg7XABJ5OGf8t9uFS+Z8Q7z3tqREHkqCANfuT0APTO/HVu+9s1rAbFp E6ceLWIFSSscuTw== X-Developer-Key: i=ricardo@marliere.net; a=openpgp; fpr=030A8E9E424EE3C0655787E1C90B8A7C638658A6 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1789906342631321174 X-GMAIL-MSGID: 1789906342631321174 Now that the driver core can properly handle constant struct bus_type, move the serdev_bus_type variable to be a constant structure as well, placing it into read-only memory which can not be modified at runtime. Suggested-by: Greg Kroah-Hartman Signed-off-by: Ricardo B. Marliere --- drivers/tty/serdev/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/tty/serdev/core.c b/drivers/tty/serdev/core.c index 822a5cd05566..613cb356b918 100644 --- a/drivers/tty/serdev/core.c +++ b/drivers/tty/serdev/core.c @@ -431,7 +431,7 @@ static void serdev_drv_remove(struct device *dev) dev_pm_domain_detach(dev, true); } -static struct bus_type serdev_bus_type = { +static const struct bus_type serdev_bus_type = { .name = "serial", .match = serdev_device_match, .probe = serdev_drv_probe,