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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A4CBAE8180D for ; Tue, 26 Sep 2023 01:32:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232262AbjIZBcG (ORCPT ); Mon, 25 Sep 2023 21:32:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51698 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229501AbjIZBcE (ORCPT ); Mon, 25 Sep 2023 21:32:04 -0400 Received: from out1-smtp.messagingengine.com (out1-smtp.messagingengine.com [66.111.4.25]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B3DE101 for ; Mon, 25 Sep 2023 18:31:58 -0700 (PDT) Received: from compute6.internal (compute6.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 041455C055E; Mon, 25 Sep 2023 21:31:58 -0400 (EDT) Received: from imap50 ([10.202.2.100]) by compute6.internal (MEProxy); Mon, 25 Sep 2023 21:31:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=aj.id.au; h=cc :cc:content-transfer-encoding:content-type:content-type:date :date:from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to; s=fm1; t= 1695691918; x=1695778318; bh=w4gsiSlns8NKzCbLupKqwoRRqRNO/EeFJL+ H/CZgEis=; b=X1B7IwH9Z7pNYWjuJbsmT5j8TdwAG9mA2BJRnYuid3E3JnOKs6J y2U/xjtMaJQxhGS+WzfMfAwXxdc0gNIG/hi/dG0hgZBbrBl3KfRUzj54I71LKyzd qOWjjZLMJBJ5HXOguPKLyQkJGZuenrziik2wMu5d3j91a/jD6JqNfrPa0+6T9W17 +jOsR45x4LQijVqSpScShEV6MrhUuFFMiSvsxpt4JiErB68eCAIRRj9DIkXwQVdC cBRp4vehqzynqVFfXs4qBwcsiDuMlkaH4NODEz/CKL/gqJH9dr5PCGlSPtcco96n /N/zxrMMLV+0wuqz75zbclHAP+1NzQkGOwA== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:content-type:date:date:feedback-id:feedback-id :from:from:in-reply-to:in-reply-to:message-id:mime-version :references:reply-to:sender:subject:subject:to:to:x-me-proxy :x-me-proxy:x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t= 1695691918; x=1695778318; bh=w4gsiSlns8NKzCbLupKqwoRRqRNO/EeFJL+ H/CZgEis=; b=fnJN54T9+SnjIHbVcow95ohxasTi4HnBQZIUWXwVuY51vwyy0iC 9O+ceWsOPtw68oRgguX5Hb7lRF8yvJ1SBV+pfC5jHIpib+gAOv47OwS3yaPfSg4f CcvmrN1ItYfxiv/GUadeoX5lnMR4+SS7GOv2h2I/Al/Nd1DTyDb6HEMkWUvF+1bX 65q32K9lA57rp/Dd+evlTPSR8EE8SE/FrkZG/q7NIhdVWNMP18eFiPyRURGEt0ts LiN9PBaP8aOitbtuOe+Ec8EZjEiaqCWLwzJgvZgrI0581gioT2mKMXP47rGAoPK3 HfUT+4xm6spA/Ht5pDARwaGECO7P3umBjvA== X-ME-Sender: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedviedrudelhedggeejucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucesvcftvggtihhpihgvnhhtshculddquddttddmne cujfgurhepofgfggfkjghffffhvfevufgtgfesthhqredtreerjeenucfhrhhomhepfdet nhgurhgvficulfgvfhhfvghrhidfuceorghnughrvgifsegrjhdrihgurdgruheqnecugg ftrfgrthhtvghrnhepgfeiieettdelkeehffevieetgeejgeffveefhfffkedvudefuddv veejgeehheevnecuvehluhhsthgvrhfuihiivgeptdenucfrrghrrghmpehmrghilhhfrh homheprghnughrvgifsegrjhdrihgurdgruh X-ME-Proxy: Feedback-ID: idfb84289:Fastmail Received: by mailuser.nyi.internal (Postfix, from userid 501) id 99F091700089; Mon, 25 Sep 2023 21:31:57 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface User-Agent: Cyrus-JMAP/3.9.0-alpha0-957-ga1ccdb4cff-fm-20230919.001-ga1ccdb4c MIME-Version: 1.0 Message-Id: <066ea199-30fe-44e8-a3ef-aca3ca92605c@app.fastmail.com> In-Reply-To: <20230925095532.1984344-5-u.kleine-koenig@pengutronix.de> References: <20230925095532.1984344-1-u.kleine-koenig@pengutronix.de> <20230925095532.1984344-5-u.kleine-koenig@pengutronix.de> Date: Tue, 26 Sep 2023 11:01:37 +0930 From: "Andrew Jeffery" To: =?UTF-8?Q?Uwe_Kleine-K=C3=B6nig?= , "Joel Stanley" Cc: "Arnd Bergmann" , "Rob Herring" , "Zev Weiss" , linux-arm-kernel@lists.infradead.org, linux-aspeed@lists.ozlabs.org, linux-kernel@vger.kernel.org, "Pengutronix Kernel Team" Subject: Re: [PATCH 04/40] soc/aspeed: aspeed-uart-routing: Convert to platform remove callback returning void Content-Type: text/plain;charset=utf-8 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 25 Sep 2023, at 19:24, Uwe Kleine-K=C3=B6nig wrote: > The .remove() callback for a platform driver returns an int which makes > many driver authors wrongly assume it's possible to do error handling = by > returning an error code. However the value returned is ignored (apart > from emitting a warning) and this typically results in resource leaks. > To improve here there is a quest to make the remove callback return > void. In the first step of this quest all drivers are converted to > .remove_new() which already returns void. Eventually after all drivers > are converted, .remove_new() will be renamed to .remove(). > > Trivially convert this driver from always returning zero in the remove > callback to the void returning variant. > > Signed-off-by: Uwe Kleine-K=C3=B6nig Reviewed-by: Andrew Jeffery