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 X-Spam-Level: X-Spam-Status: No, score=-8.8 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 73E81C07E96 for ; Thu, 8 Jul 2021 12:46:54 +0000 (UTC) Received: from lists.ozlabs.org (lists.ozlabs.org [112.213.38.117]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D867061584 for ; Thu, 8 Jul 2021 12:46:53 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D867061584 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4GLGJX2DTxz3btT for ; Thu, 8 Jul 2021 22:46:52 +1000 (AEST) Authentication-Results: lists.ozlabs.org; dkim=fail reason="signature verification failed" (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=VetX2Cfr; dkim-atps=neutral Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=linaro.org (client-ip=2607:f8b0:4864:20::e33; helo=mail-vs1-xe33.google.com; envelope-from=ulf.hansson@linaro.org; receiver=) Authentication-Results: lists.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=linaro.org header.i=@linaro.org header.a=rsa-sha256 header.s=google header.b=VetX2Cfr; dkim-atps=neutral Received: from mail-vs1-xe33.google.com (mail-vs1-xe33.google.com [IPv6:2607:f8b0:4864:20::e33]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4GLGBf2S5Bz2ymb for ; Thu, 8 Jul 2021 22:41:43 +1000 (AEST) Received: by mail-vs1-xe33.google.com with SMTP id az11so3512712vsb.1 for ; Thu, 08 Jul 2021 05:41:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=hP9H7HVTE7TFrRNTl1vyqWVVeZcuqXBCZg0bGqclL/A=; b=VetX2Cfr8bdRNaZiWLEm04u6bqZW3l6DI4CAN74JIY7k4z1gUX2WPAhVDnzm350lf2 zN9Z12JQmbzlk/BWNUXvjVAbpB66ZXuvK3SPb444QQ5diXQOytBY51L2/oTaoUD9VeXU uFurAnxdtCpnicZBLB0yD9ojUwv6W/qtm1PvBS9AFUFJNPr3tKxeC4wQWDvFkNeWRoRf 7SjXn45LyDiaoeLgbbyRwVPp/zZWqO3qYud0+Xn/514eUefuiFS0gjROioJ7tCP2C/ZN ZUSLS7lmtDXFsaxdqMahs7f08oqXmzo9A5DfBGmAWg3PByPV9/9CFdzFbNZ8GtPMsFJE z42g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=hP9H7HVTE7TFrRNTl1vyqWVVeZcuqXBCZg0bGqclL/A=; b=G2C9V0GCVtF9jqxPgI8W2XyPv7CeT6CGdwaXvcZhW+rZHXalNgSlnNMmqttQLJAm1Z Mx//7vKDqv9na0uMKDh0a1a9EgHxdMAhAL7WS7ERFrG523AQZ5nuODARVZffvyYavi8p I2BkGfnnaloJZwj37US4PS9KmpfIhDmjq1Jue0RHbmNjHCbnrPHgzMC4NjTe2My4jzwR KDhqu69v4iKTFFMaRba96f5sQtOl3b0JQOozjRzaCw2K/j8xObqrcGMXa5LJFvt5T+so tUiAWqe5NRmoUpfJr1sGukhQBroeuhvUPOdyXX4LuVSD53EXnTUwmMc4tzl5YDOgBmvO WOUw== X-Gm-Message-State: AOAM531smrJyZKozdfmoHmWy5M+I6zwP9bJ1QmOznPCAKFy4UEHz/U/L o8j69iPqQcKIYpToZ7bAkpvtNdUchibPksE4JcNF7A== X-Google-Smtp-Source: ABdhPJywz4fR2V+V+6/E9OWxEVi9/b58VFa4IZ2LlJTPpT0B9SRAdSG9PM7u1rPMHG2ZlSabjmUDzfVjnsqdUEe3bFI= X-Received: by 2002:a67:8783:: with SMTP id j125mr27888650vsd.42.1625748098931; Thu, 08 Jul 2021 05:41:38 -0700 (PDT) MIME-Version: 1.0 References: <20210706154803.1631813-1-u.kleine-koenig@pengutronix.de> <20210706154803.1631813-5-u.kleine-koenig@pengutronix.de> In-Reply-To: <20210706154803.1631813-5-u.kleine-koenig@pengutronix.de> From: Ulf Hansson Date: Thu, 8 Jul 2021 14:41:02 +0200 Message-ID: Subject: Re: [PATCH v2 4/4] bus: Make remove callback return void To: =?UTF-8?Q?Uwe_Kleine=2DK=C3=B6nig?= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Mailman-Approved-At: Thu, 08 Jul 2021 22:46:26 +1000 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: nvdimm@lists.linux.dev, Alexey Kardashevskiy , Samuel Iglesias Gonsalvez , Jens Taprogge , Jaroslav Kysela , linux-fpga@vger.kernel.org, Benjamin Tissoires , Paul Mackerras , Srinivas Pandruvada , "K. Y. Srinivasan" , Mike Christie , Wei Liu , Maxim Levitsky , Samuel Holland , linux-acpi@vger.kernel.org, linux-pci@vger.kernel.org, xen-devel@lists.xenproject.org, Tomas Winkler , Julien Grall , Ohad Ben-Cohen , Alex Williamson , Alex Elder , linux-parisc@vger.kernel.org, Geoff Levand , Greg Kroah-Hartman , linux-usb@vger.kernel.org, "Rafael J. Wysocki" , Linux Kernel Mailing List , linux-spi@vger.kernel.org, Thorsten Scherer , Sascha Hauer , Jon Mason , linux-ntb@googlegroups.com, Wu Hao , David Woodhouse , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Alexandre Belloni , Manohar Vanga , linux-wireless@vger.kernel.org, Dominik Brodowski , virtualization@lists.linux-foundation.org, "James E.J. Bottomley" , target-devel@vger.kernel.org, Srinivas Kandagatla , linux-i2c@vger.kernel.org, Kai-Heng Feng , Stefano Stabellini , Stephen Hemminger , Ira Weiny , Helge Deller , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , industrypack-devel@lists.sourceforge.net, linux-mips@vger.kernel.org, Len Brown , alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-media@vger.kernel.org, Maxime Ripard , Johan Hovold , greybus-dev@lists.linaro.org, Bjorn Helgaas , Dave Jiang , Boris Ostrovsky , Mika Westerberg , linux-arm-kernel@lists.infradead.org, Johannes Thumshirn , Mathieu Poirier , Stephen Boyd , Cornelia Huck , Wolfram Sang , Joey Pabalan , Yehezkel Bernat , =?UTF-8?Q?Pali_Roh=C3=A1r?= , Bodo Stroesser , Alison Schofield , Heikki Krogerus , Tyrel Datwyler , Alexander Shishkin , Tom Rix , Jason Wang , SeongJae Park , linux-hyperv@vger.kernel.org, platform-driver-x86@vger.kernel.org, Frank Li , netdev@vger.kernel.org, Qinglang Miao , Jiri Slaby , Rob Herring , Lorenzo Pieralisi , Mark Gross , linux-staging@lists.linux.dev, Dexuan Cui , Jernej Skrabec , Kishon Vijay Abraham I , Chen-Yu Tsai , linux-input@vger.kernel.org, Allen Hubbe , Alex Dubov , Haiyang Zhang , Jiri Kosina , Vladimir Zapolskiy , Russell King , Ben Widawsky , Moritz Fischer , linux-cxl@vger.kernel.org, Michael Buesch , Dan Williams , Mauro Carvalho Chehab , Cristian Marussi , Thomas Bogendoerfer , "Martin K. Petersen" , Martyn Welch , Dmitry Torokhov , linux-mmc@vger.kernel.org, linux-sunxi@lists.linux.dev, Stefan Richter , Sudeep Holla , "David S. Miller" , Sven Van Asbroeck , kvm@vger.kernel.org, "Michael S. Tsirkin" , linux-remoteproc@vger.kernel.org, Bjorn Andersson , Kirti Wankhede , Andreas Noever , linux-i3c@lists.infradead.org, linux1394-devel@lists.sourceforge.net, Lee Jones , Arnd Bergmann , linux-scsi@vger.kernel.org, Vishal Verma , Russell King , Andy Gross , linux-serial@vger.kernel.org, Jakub Kicinski , Michael Jamet , William Breathitt Gray , Hans de Goede , Hannes Reinecke , Adrian Hunter , Juergen Gross , linuxppc-dev@lists.ozlabs.org, Takashi Iwai , Alexandre Bounine , Vinod Koul , Mark Brown , Marc Zyngier , dmaengine@vger.kernel.org, Johannes Berg , Johannes Thumshirn , Maximilian Luz Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" On Tue, 6 Jul 2021 at 17:53, Uwe Kleine-K=C3=B6nig wrote: > > The driver core ignores the return value of this callback because there > is only little it can do when a device disappears. > > This is the final bit of a long lasting cleanup quest where several > buses were converted to also return void from their remove callback. > Additionally some resource leaks were fixed that were caused by drivers > returning an error code in the expectation that the driver won't go > away. > > With struct bus_type::remove returning void it's prevented that newly > implemented buses return an ignored error code and so don't anticipate > wrong expectations for driver authors. > > Acked-by: Russell King (Oracle) (For ARM, Am= ba and related parts) > Acked-by: Mark Brown > Acked-by: Chen-Yu Tsai (for drivers/bus/sunxi-rsb.c) > Acked-by: Pali Roh=C3=A1r > Acked-by: Mauro Carvalho Chehab (for drivers/media) > Acked-by: Hans de Goede (For drivers/platform) > Acked-by: Alexandre Belloni > Acked-By: Vinod Koul > Acked-by: Juergen Gross (For Xen) > Acked-by: Lee Jones (For drivers/mfd) > Acked-by: Johannes Thumshirn (For drivers/mcb) > Acked-by: Johan Hovold > Acked-by: Srinivas Kandagatla (For drive= rs/slimbus) > Acked-by: Kirti Wankhede (For drivers/vfio) > Acked-by: Maximilian Luz > Acked-by: Heikki Krogerus (For ulpi and= typec) > Acked-by: Samuel Iglesias Gons=C3=A1lvez (For ipac= k) > Reviewed-by: Tom Rix (For fpga) > Acked-by: Geoff Levand (For ps3) > Signed-off-by: Uwe Kleine-K=C3=B6nig Acked-by: Ulf Hansson # For MMC [...] Kind regards Uffe