From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vs1-f45.google.com (mail-vs1-f45.google.com [209.85.217.45]) (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 7C023173 for ; Thu, 8 Jul 2021 12:41:40 +0000 (UTC) Received: by mail-vs1-f45.google.com with SMTP id j2so998001vsi.6 for ; Thu, 08 Jul 2021 05:41:40 -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=ma5P522D1HUWoHDeyfc9sxlMK2jAUQvhPf1qhDs8grkAfqJJGZWhd+OJMjUFp17dc/ ErjcEayTOd7nISMURLWhzQLseMXVF+dOVPUzCdCM8AWJUdfS8PRltRCLKwv5RmjwTp1L OePeibiqxYdzAgvL3VAiRrqCuGYIKeUbMGd7STKKWybfmZ2HNNC53tdDXrFRjV8VnoPc MqnOWUBdwU1pXdwLadj8s/RZrGTbU8Ya7z3ZxM3CvzfQ0X3P0I4QVP8rVgV1DKwLMX9A qRbc5I3XrzE5CSHf3HMLyv3VkIFNTot5DEKDBfnwrqLg2FwUTlCFi8wm77cPVVmhGkzg RJZw== X-Gm-Message-State: AOAM530SUCqjHxhF37EN4dwYaJrBCoSnsua+Kd2+YGS9FXzGiAHCUs78 /K6L/f8ZLArG0P0AEDCHg03JKubkFpEgoyBEW+SIng== 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) Precedence: bulk X-Mailing-List: nvdimm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: 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?= Cc: Greg Kroah-Hartman , Sascha Hauer , Cornelia Huck , Linux Kernel Mailing List , Russell King , Thomas Bogendoerfer , "James E.J. Bottomley" , Helge Deller , Geoff Levand , Michael Ellerman , Benjamin Herrenschmidt , Paul Mackerras , "Rafael J. Wysocki" , Len Brown , William Breathitt Gray , =?UTF-8?B?UmFmYcWCIE1pxYJlY2tp?= , Maxime Ripard , Chen-Yu Tsai , Jernej Skrabec , Alison Schofield , Vishal Verma , Ira Weiny , Ben Widawsky , Dan Williams , Dave Jiang , Vinod Koul , Stefan Richter , Sudeep Holla , Cristian Marussi , Wu Hao , Tom Rix , Moritz Fischer , Jiri Kosina , Benjamin Tissoires , Srinivas Pandruvada , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , Dexuan Cui , Alexander Shishkin , Wolfram Sang , Alexandre Belloni , Dmitry Torokhov , Samuel Iglesias Gonsalvez , Jens Taprogge , Johannes Thumshirn , Mauro Carvalho Chehab , Maxim Levitsky , Alex Dubov , Lee Jones , Tomas Winkler , Arnd Bergmann , Jakub Kicinski , "David S. Miller" , Jon Mason , Allen Hubbe , Kishon Vijay Abraham I , Lorenzo Pieralisi , =?UTF-8?Q?Krzysztof_Wilczy=C5=84ski?= , Bjorn Helgaas , Dominik Brodowski , Maximilian Luz , Hans de Goede , Mark Gross , Matt Porter , Alexandre Bounine , Ohad Ben-Cohen , Bjorn Andersson , Mathieu Poirier , "Martin K. Petersen" , Thorsten Scherer , Srinivas Kandagatla , Andy Gross , Mark Brown , Stephen Boyd , Michael Buesch , Sven Van Asbroeck , Johan Hovold , Alex Elder , Andreas Noever , Michael Jamet , Mika Westerberg , Yehezkel Bernat , Rob Herring , Jiri Slaby , Heikki Krogerus , "Michael S. Tsirkin" , Jason Wang , Kirti Wankhede , Alex Williamson , Martyn Welch , Manohar Vanga , Boris Ostrovsky , Juergen Gross , Stefano Stabellini , Johannes Berg , Jaroslav Kysela , Takashi Iwai , Marc Zyngier , Tyrel Datwyler , Vladimir Zapolskiy , Samuel Holland , Qinglang Miao , Alexey Kardashevskiy , Kai-Heng Feng , Joey Pabalan , =?UTF-8?Q?Pali_Roh=C3=A1r?= , Adrian Hunter , Frank Li , Mike Christie , Bodo Stroesser , Hannes Reinecke , David Woodhouse , SeongJae Park , Julien Grall , linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org, linux-parisc@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-acpi@vger.kernel.org, linux-wireless@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-cxl@vger.kernel.org, nvdimm@lists.linux.dev, dmaengine@vger.kernel.org, linux1394-devel@lists.sourceforge.net, linux-fpga@vger.kernel.org, linux-input@vger.kernel.org, linux-hyperv@vger.kernel.org, linux-i2c@vger.kernel.org, linux-i3c@lists.infradead.org, industrypack-devel@lists.sourceforge.net, linux-media@vger.kernel.org, linux-mmc@vger.kernel.org, netdev@vger.kernel.org, linux-ntb@googlegroups.com, linux-pci@vger.kernel.org, platform-driver-x86@vger.kernel.org, linux-remoteproc@vger.kernel.org, linux-scsi@vger.kernel.org, alsa-devel@alsa-project.org, linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org, linux-staging@lists.linux.dev, greybus-dev@lists.linaro.org, target-devel@vger.kernel.org, linux-usb@vger.kernel.org, linux-serial@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, xen-devel@lists.xenproject.org, Russell King , Johannes Thumshirn Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable 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