From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 30E3FC282DE for ; Fri, 7 Mar 2025 12:33:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HKjBd8X3oIbWR4uTQ+kAMB9w4fC+DWN+UImtLmLxNxw=; b=ZfME4vLk4Wa8UeL5RAR5HDnV36 2p+YB4coCeqJslYnB85CIHJ8Q1aEq/Ag/KnGp1NDUYmqhudPgShtooMmebtpoh7roAyxes3798Bp0 YiVv+YELI1Ts3h0s0R2DAlzYWlaQkvLOEHWXWyIB0RiWiXx6971HfXGRa3qAyipefUr9XJQCYcyu6 3IlLNaI8hWfJZgPTZLBNhCdTIazZ65AtwXaWSzASw+vYtT4wBxpq4xM89yqpOEU2eB43fVbExGpT+ eririrroHoc3d6/a4/j/UvTYOFdYGVH9lwSfrmJaoc1VCDategtHjm9jPNwJ9C9SDuBTwhkvuSnV1 N6FFzhbw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tqWtA-0000000EBxM-2PLZ; Fri, 07 Mar 2025 12:33:16 +0000 Received: from relay3-d.mail.gandi.net ([217.70.183.195]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tqWqA-0000000EBZX-42Z9; Fri, 07 Mar 2025 12:30:13 +0000 Received: by mail.gandi.net (Postfix) with ESMTPSA id 3D97B20457; Fri, 7 Mar 2025 12:30:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=gm1; t=1741350608; 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=HKjBd8X3oIbWR4uTQ+kAMB9w4fC+DWN+UImtLmLxNxw=; b=bpvgkCh9S7IjUNZBTXr/d6Tv6HXPAadztsNAopW/nbql7xCncqI4cbpi4dNCocB+dggzyC DAvkPGIF6AoPUO+ZfQIK6bqKoxIzIsBPqi6lWNrpOskmYWMg2IWCLQl6Uqo9IBXDYAKAiW x4aFDoPxpIbsYdUM4LIYuwpEmladRcxbt8tJ1SwRw+y13LtNKwUzdfqDbVJ/E0LSp+Etri MushLLID2uehgB/MvNE4CLDHHLbKc12cVZLN+dTUoJ+ZnJaq3bGUsZLBz9tm+o5EQ0fa8x SNyB0/QIY0hYU9VJOsYYPCNmS3aj6HoRMxwNokCxETbAfT2tGWXyt+H+YIfrBA== Date: Fri, 7 Mar 2025 13:30:03 +0100 From: Luca Ceresoli To: Geert Uytterhoeven Cc: "Rafael J. Wysocki" , Daniel Lezcano , Zhang Rui , Lukasz Luba , Florian Fainelli , Ray Jui , Scott Branden , Broadcom internal kernel review list , Petr Mladek , Steven Rostedt , Andy Shevchenko , Rasmus Villemoes , Sergey Senozhatsky , Jonathan Corbet , Andrew Morton , Thomas Petazzoni , Michael Turquette , Stephen Boyd , Geert Uytterhoeven , Liu Ying , linux-clk@vger.kernel.org, linux-pm@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org Subject: Re: [PATCH 0/2] vsprintf: remove redundant %pCn format specifier Message-ID: <20250307133003.09f1328f@booty> In-Reply-To: References: <20250307-vsprintf-pcn-v1-0-df0b2ccf610f@bootlin.com> Organization: Bootlin X-Mailer: Claws Mail 4.3.0 (GTK 3.24.43; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-GND-State: clean X-GND-Score: -100 X-GND-Cause: gggruggvucftvghtrhhoucdtuddrgeefvddrtddtgdduuddtieejucetufdoteggodetrfdotffvucfrrhhofhhilhgvmecuifetpfffkfdpucggtfgfnhhsuhgsshgtrhhisggvnecuuegrihhlohhuthemuceftddunecusecvtfgvtghiphhivghnthhsucdlqddutddtmdenucfjughrpeffhffvvefukfgjfhhoofggtgfgsehtjeertdertddvnecuhfhrohhmpefnuhgtrgcuvegvrhgvshholhhiuceolhhutggrrdgtvghrvghsohhlihessghoohhtlhhinhdrtghomheqnecuggftrfgrthhtvghrnheptdeljeejuddvudetffdtudelfedugfduledtueffuedufefgudegkeegtdeihedunecuffhomhgrihhnpehkvghrnhgvlhdrohhrghdpsghoohhtlhhinhdrtghomhenucfkphepvdgrtddvmeeijedtmedvtddvtdemvggrtddumegsvgegudemleehvgejmeefgeefmeeludefvgenucevlhhushhtvghrufhiiigvpedtnecurfgrrhgrmhepihhnvghtpedvrgdtvdemieejtdemvddtvddtmegvrgdtudemsggvgedumeelhegvjeemfeegfeemledufegvpdhhvghlohepsghoohhthidpmhgrihhlfhhrohhmpehluhgtrgdrtggvrhgvshholhhisegsohhothhlihhnrdgtohhmpdhnsggprhgtphhtthhopedvjedprhgtphhtthhopehgvggvrhhtsehlihhnuhigqdhmieekkhdrohhrghdprhgtphhtthhopehrrghfrggvlheskhgvrhhnvghlrdhorhhgpdhrtghpthhtohepuggrnhhivghlrdhlvgiitggrn hhosehlihhnrghrohdrohhrghdprhgtphhtthhopehruhhirdiihhgrnhhgsehinhhtvghlrdgtohhmpdhrtghpthhtoheplhhukhgrshiirdhluhgsrgesrghrmhdrtghomhdprhgtphhtthhopehflhhorhhirghnrdhfrghinhgvlhhlihessghrohgruggtohhmrdgtohhmpdhrtghpthhtoheprhhjuhhisegsrhhorggutghomhdrtghomhdprhgtphhtthhopehssghrrghnuggvnhessghrohgruggtohhmrdgtohhm X-GND-Sasl: luca.ceresoli@bootlin.com X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250307_043011_617660_D2DEDDDE X-CRM114-Status: GOOD ( 13.95 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Fri, 7 Mar 2025 13:13:19 +0100 Geert Uytterhoeven wrote: > Hi Luca, > > On Fri, 7 Mar 2025 at 12:19, Luca Ceresoli wrote: > > There are two printk format specifiers for clocks: %pC and %pCn, and they > > print exactly the same string. The reason for having two is not totally > > clear (see discussion in patch 2), but there seem to be no advantage in > > having two instead of one. > > > > Definitely having two without properly documenting they do the same creates > > misunderstandings [0]. > > > > Since %pCn is used in a single place, replace it with %pC and remove %pCn > > to simplify such format specifiers implementation and avoid > > misunderstandings. > > > > [0] https://lore.kernel.org/dri-devel/71c44221-b18b-4928-8faf-00893ec4a109@nxp.com/ > > The link looks unrelated? Wrong link, sorry. The correct one is: https://lore.kernel.org/dri-devel/f8df2b5e-b005-4ada-8108-159b2b94a72e@nxp.com/ Luca -- Luca Ceresoli, Bootlin Embedded Linux and Kernel engineering https://bootlin.com