Message-ID: <87eecbjx34.fsf@ashishki-desk.ger.corp.intel.com>
Date:   Tue, 06 Jul 2021 18:11:59 +0300
From:   Alexander Shishkin <alexander.shishkin@...ux.intel.com>
To:     Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     kernel@...gutronix.de, linux-kernel@...r.kernel.org,
        Russell King <linux@...linux.org.uk>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        "James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
        Helge Deller <deller@....de>,
        Geoff Levand <geoff@...radead.org>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        William Breathitt Gray <vilhelm.gray@...il.com>,
        Rafał Miłecki 
        <zajec5@...il.com>, Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Alison Schofield <alison.schofield@...el.com>,
        Vishal Verma <vishal.l.verma@...el.com>,
        Ira Weiny <ira.weiny@...el.com>,
        Ben Widawsky <ben.widawsky@...el.com>,
        Dan Williams <dan.j.williams@...el.com>,
        Dave Jiang <dave.jiang@...el.com>,
        Vinod Koul <vkoul@...nel.org>,
        Stefan Richter <stefanr@...6.in-berlin.de>,
        Sudeep Holla <sudeep.holla@....com>,
        Cristian Marussi <cristian.marussi@....com>,
        Wu Hao <hao.wu@...el.com>, Tom Rix <trix@...hat.com>,
        Moritz Fischer <mdf@...nel.org>,
        Jiri Kosina <jikos@...nel.org>,
        Benjamin Tissoires <benjamin.tissoires@...hat.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        "K. Y. Srinivasan" <kys@...rosoft.com>,
        Haiyang Zhang <haiyangz@...rosoft.com>,
        Stephen Hemminger <sthemmin@...rosoft.com>,
        Wei Liu <wei.liu@...nel.org>, Dexuan Cui <decui@...rosoft.com>,
        Wolfram Sang <wsa@...nel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Samuel Iglesias Gonsalvez <siglesias@...lia.com>,
        Jens Taprogge <jens.taprogge@...rogge.org>,
        Johannes Thumshirn <morbidrsa@...il.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxim Levitsky <maximlevitsky@...il.com>,
        Alex Dubov <oakad@...oo.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Lee Jones <lee.jones@...aro.org>,
        Tomas Winkler <tomas.winkler@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        Jon Mason <jdmason@...zu.us>, Allen Hubbe <allenbh@...il.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        Krzysztof Wilczyński 
        <kw@...ux.com>, Bjorn Helgaas <bhelgaas@...gle.com>,
        Dominik Brodowski <linux@...inikbrodowski.net>,
        Maximilian Luz <luzmaximilian@...il.com>,
        Hans de Goede <hdegoede@...hat.com>,
        Mark Gross <mgross@...ux.intel.com>,
        Matt Porter <mporter@...nel.crashing.org>,
        Alexandre Bounine <alex.bou9@...il.com>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Thorsten Scherer <t.scherer@...elmann.de>,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Mark Brown <broonie@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>, Michael Buesch <m@...s.ch>,
        Sven Van Asbroeck <TheSven73@...il.com>,
        Johan Hovold <johan@...nel.org>, Alex Elder <elder@...nel.org>,
        Andreas Noever <andreas.noever@...il.com>,
        Michael Jamet <michael.jamet@...el.com>,
        Mika Westerberg <mika.westerberg@...ux.intel.com>,
        Yehezkel Bernat <YehezkelShB@...il.com>,
        Rob Herring <robh@...nel.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Jason Wang <jasowang@...hat.com>,
        Kirti Wankhede <kwankhede@...dia.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Cornelia Huck <cohuck@...hat.com>,
        Martyn Welch <martyn@...chs.me.uk>,
        Manohar Vanga <manohar.vanga@...il.com>,
        Boris Ostrovsky <boris.ostrovsky@...cle.com>,
        Juergen Gross <jgross@...e.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Johannes Berg <johannes@...solutions.net>,
        Jaroslav Kysela <perex@...ex.cz>,
        Takashi Iwai <tiwai@...e.com>, Marc Zyngier <maz@...nel.org>,
        Tyrel Datwyler <tyreld@...ux.ibm.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        Samuel Holland <samuel@...lland.org>,
        Qinglang Miao <miaoqinglang@...wei.com>,
        Alexey Kardashevskiy <aik@...abs.ru>,
        Kai-Heng Feng <kai.heng.feng@...onical.com>,
        Joey Pabalan <jpabalanb@...il.com>,
        Pali Rohár <pali@...nel.org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        Frank Li <lznuaa@...il.com>,
        Mike Christie <michael.christie@...cle.com>,
        Bodo Stroesser <bostroesser@...il.com>,
        Hannes Reinecke <hare@...e.de>,
        David Woodhouse <dwmw@...zon.co.uk>,
        SeongJae Park <sjpark@...zon.de>,
        Julien Grall <jgrall@...zon.com>,
        linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org,
        linux-parisc@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-acpi@...r.kernel.org, linux-wireless@...r.kernel.org,
        linux-sunxi@...ts.linux.dev, linux-cxl@...r.kernel.org,
        nvdimm@...ts.linux.dev, dmaengine@...r.kernel.org,
        linux1394-devel@...ts.sourceforge.net, linux-fpga@...r.kernel.org,
        linux-input@...r.kernel.org, linux-hyperv@...r.kernel.org,
        linux-i2c@...r.kernel.org, linux-i3c@...ts.infradead.org,
        industrypack-devel@...ts.sourceforge.net,
        linux-media@...r.kernel.org, linux-mmc@...r.kernel.org,
        netdev@...r.kernel.org, linux-ntb@...glegroups.com,
        linux-pci@...r.kernel.org, platform-driver-x86@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, linux-scsi@...r.kernel.org,
        alsa-devel@...a-project.org, linux-arm-msm@...r.kernel.org,
        linux-spi@...r.kernel.org, linux-staging@...ts.linux.dev,
        greybus-dev@...ts.linaro.org, target-devel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-serial@...r.kernel.org,
        virtualization@...ts.linux-foundation.org, kvm@...r.kernel.org,
        xen-devel@...ts.xenproject.org, alexander.shishkin@...ux.intel.com
Subject: Re: [PATCH] bus: Make remove callback return void

Uwe Kleine-König <u.kleine-koenig@...gutronix.de> writes:

> 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.
>
> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@...gutronix.de>

FWIW, the intel_th bit is

Acked-by: Alexander Shishkin <alexander.shishkin@...ux.intel.com>

Powered by blists - more mailing lists