Re: [PATCH 1/2] platform: make platform_get_irq_optional() optional (summary) - Greg Kroah-Hartman

From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: "Andrew Lunn" <andrew@lunn.ch>,
	"Ulf Hansson" <ulf.hansson@linaro.org>,
	"Vignesh Raghavendra" <vigneshr@ti.com>,
	kvm@vger.kernel.org, "Rafael J. Wysocki" <rafael@kernel.org>,
	linux-iio@vger.kernel.org,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Amit Kucheria" <amitk@kernel.org>,
	alsa-devel@alsa-project.org,
	"Liam Girdwood" <lgirdwood@gmail.com>,
	"Guenter Roeck" <groeck@chromium.org>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	linux-mtd@lists.infradead.org, linux-i2c@vger.kernel.org,
	"Miquel Raynal" <miquel.raynal@bootlin.com>,
	linux-phy@lists.infradead.org, "Lee Jones" <lee.jones@linaro.org>,
	"Khuong Dinh" <khuong@os.amperecomputing.com>,
	"Florian Fainelli" <f.fainelli@gmail.com>,
	"Matthias Schiffer" <matthias.schiffer@ew.tq-group.com>,
	"Joakim Zhang" <qiangqing.zhang@nxp.com>,
	"Kamal Dasu" <kdasu.kdev@gmail.com>,
	"Jiri Slaby" <jirislaby@kernel.org>,
	"Bartosz Golaszewski" <brgl@bgdev.pl>,
	"Daniel Lezcano" <daniel.lezcano@linaro.org>,
	"Tony Luck" <tony.luck@intel.com>,
	"Kishon Vijay Abraham I" <kishon@ti.com>,
	bcm-kernel-feedback-list@broadcom.com,
	linux-serial@vger.kernel.org, "Jakub Kicinski" <kuba@kernel.org>,
	"Zhang Rui" <rui.zhang@intel.com>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	platform-driver-x86@vger.kernel.org, linux-pwm@vger.kernel.org,
	"Robert Richter" <rric@kernel.org>,
	"Saravanan Sekar" <sravanhome@gmail.com>,
	"Corey Minyard" <minyard@acm.org>,
	linux-pm@vger.kernel.org,
	"Mauro Carvalho Chehab" <mchehab@kernel.org>,
	"John Garry" <john.garry@huawei.com>,
	"Peter Korsgaard" <peter@korsgaard.com>,
	"William Breathitt Gray" <vilhelm.gray@gmail.com>,
	"Mark Gross" <markgross@kernel.org>,
	linux-gpio@vger.kernel.org,
	"Alex Williamson" <alex.williamson@redhat.com>,
	"Mark Brown" <broonie@kernel.org>,
	"Borislav Petkov" <bp@alien8.de>,
	"Eric Auger" <eric.auger@redhat.com>,
	"Takashi Iwai" <tiwai@suse.com>,
	"Jaroslav Kysela" <perex@perex.cz>,
	openipmi-developer@lists.sourceforge.net,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Benson Leung" <bleung@chromium.org>,
	"Pengutronix Kernel Team" <kernel@pengutronix.de>,
	linux-arm-kernel@lists.infradead.org, linux-edac@vger.kernel.org,
	"Sergey Shtylyov" <s.shtylyov@omp.ru>,
	"Richard Weinberger" <richard@nod.at>,
	"Mun Yew Tham" <mun.yew.tham@intel.com>,
	"Hans de Goede" <hdegoede@redhat.com>,
	netdev@vger.kernel.org,
	"Yoshihiro Shimoda" <yoshihiro.shimoda.uh@renesas.com>,
	"Cornelia Huck" <cohuck@redhat.com>,
	linux-mmc@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-spi@vger.kernel.org, linux-renesas-soc@vger.kernel.org,
	"Vinod Koul" <vkoul@kernel.org>,
	"James Morse" <james.morse@arm.com>,
	"Zha Qipeng" <qipeng.zha@intel.com>,
	"Sebastian Reichel" <sre@kernel.org>,
	"Niklas Söderlund" <niklas.soderlund@ragnatech.se>,
	linux-mediatek@lists.infradead.org,
	"Brian Norris" <computersforpeace@gmail.com>,
	"David S. Miller" <davem@davemloft.net>
Subject: Re: [PATCH 1/2] platform: make platform_get_irq_optional() optional (summary)
Date: Tue, 18 Jan 2022 10:32:50 +0100	[thread overview]
Message-ID: <YeaJQnzxTqdarQ6T@kroah.com> (raw)
In-Reply-To: <20220118091819.zzxpffrxbckoxiys@pengutronix.de>

On Tue, Jan 18, 2022 at 10:18:19AM +0100, Uwe Kleine-König wrote:
> On Sun, Jan 16, 2022 at 03:19:06PM +0100, Greg Kroah-Hartman wrote:
> > On Sat, Jan 15, 2022 at 07:36:43PM +0100, Uwe Kleine-König wrote:
> > > A possible compromise: We can have both. We rename
> > > platform_get_irq_optional() to platform_get_irq_silent() (or
> > > platform_get_irq_silently() if this is preferred) and once all users are
> > > are changed (which can be done mechanically), we reintroduce a
> > > platform_get_irq_optional() with Sergey's suggested semantic (i.e.
> > > return 0 on not-found, no error message printking).
> > 
> > Please do not do that as anyone trying to forward-port an old driver
> > will miss the abi change of functionality and get confused.  Make
> > build-breaking changes, if the way a function currently works is
> > changed in order to give people a chance.
> 
> Fine for me. I assume this is a Nack for Sergey's patch?

This set of patches is going nowhere as-is, sorry.  The thread is too
confusing and people are not agreeing at all.

greg k-h