Re: [PATCH] driver core: platform: Rename platform_get_irq_optional() to platform_get_irq_silent()
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- Subject: Re: [PATCH] driver core: platform: Rename platform_get_irq_optional() to platform_get_irq_silent()
- From: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
- Date: Wed, 19 Jan 2022 20:51:29 +0200
- Cc: Andrew Lunn <andrew@xxxxxxx>, Ulf Hansson <ulf.hansson@xxxxxxxxxx>, Vignesh Raghavendra <vigneshr@xxxxxx>, KVM list <kvm@xxxxxxxxxxxxxxx>, "Rafael J. Wysocki" <rafael@xxxxxxxxxx>, linux-iio@xxxxxxxxxxxxxxx, Linus Walleij <linus.walleij@xxxxxxxxxx>, Amit Kucheria <amitk@xxxxxxxxxx>, ALSA Development Mailing List <alsa-devel@xxxxxxxxxxxxxxxx>, Jaroslav Kysela <perex@xxxxxxxx>, Guenter Roeck <groeck@xxxxxxxxxxxx>, Thierry Reding <thierry.reding@xxxxxxxxx>, MTD Maling List <linux-mtd@xxxxxxxxxxxxxxxxxxx>, Linux I2C <linux-i2c@xxxxxxxxxxxxxxx>, "open list:GPIO SUBSYSTEM" <linux-gpio@xxxxxxxxxxxxxxx>, Miquel Raynal <miquel.raynal@xxxxxxxxxxx>, linux-phy@xxxxxxxxxxxxxxxxxxx, netdev@xxxxxxxxxxxxxxx, linux-spi <linux-spi@xxxxxxxxxxxxxxx>, Jiri Slaby <jirislaby@xxxxxxxxxx>, Khuong Dinh <khuong@xxxxxxxxxxxxxxxxxxxxxx>, Florian Fainelli <f.fainelli@xxxxxxxxx>, Matthias Schiffer <matthias.schiffer@xxxxxxxxxxxxxxx>, Kamal Dasu <kdasu.kdev@xxxxxxxxx>, Lee Jones <lee.jones@xxxxxxxxxx>, Bartosz Golaszewski <brgl@xxxxxxxx>, Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>, Kishon Vijay Abraham I <kishon@xxxxxx>, Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>, "open list:SERIAL DRIVERS" <linux-serial@xxxxxxxxxxxxxxx>, bcm-kernel-feedback-list <bcm-kernel-feedback-list@xxxxxxxxxxxx>, Zhang Rui <rui.zhang@xxxxxxxxx>, platform-driver-x86@xxxxxxxxxxxxxxx, Linux PWM List <linux-pwm@xxxxxxxxxxxxxxx>, Robert Richter <rric@xxxxxxxxxx>, Saravanan Sekar <sravanhome@xxxxxxxxx>, Corey Minyard <minyard@xxxxxxx>, Linux PM list <linux-pm@xxxxxxxxxxxxxxx>, Liam Girdwood <lgirdwood@xxxxxxxxx>, John Garry <john.garry@xxxxxxxxxx>, Takashi Iwai <tiwai@xxxxxxxx>, Peter Korsgaard <peter@xxxxxxxxxxxxx>, William Breathitt Gray <vilhelm.gray@xxxxxxxxx>, Mark Gross <markgross@xxxxxxxxxx>, Hans de Goede <hdegoede@xxxxxxxxxx>, Alex Williamson <alex.williamson@xxxxxxxxxx>, Mark Brown <broonie@xxxxxxxxxx>, Borislav Petkov <bp@xxxxxxxxx>, Jakub Kicinski <kuba@xxxxxxxxxx>, Matthias Brugger <matthias.bgg@xxxxxxxxx>, openipmi-developer@xxxxxxxxxxxxxxxxxxxxx, Mauro Carvalho Chehab <mchehab@xxxxxxxxxx>, Benson Leung <bleung@xxxxxxxxxxxx>, Pengutronix Kernel Team <kernel@xxxxxxxxxxxxxx>, Linux ARM <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, linux-edac@xxxxxxxxxxxxxxx, Tony Luck <tony.luck@xxxxxxxxx>, Richard Weinberger <richard@xxxxxx>, Mun Yew Tham <mun.yew.tham@xxxxxxxxx>, Eric Auger <eric.auger@xxxxxxxxxx>, Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>, Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx>, Cornelia Huck <cohuck@xxxxxxxxxx>, Linux MMC List <linux-mmc@xxxxxxxxxxxxxxx>, Joakim Zhang <qiangqing.zhang@xxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Linux-Renesas <linux-renesas-soc@xxxxxxxxxxxxxxx>, Sergey Shtylyov <s.shtylyov@xxxxxx>, Vinod Koul <vkoul@xxxxxxxxxx>, James Morse <james.morse@xxxxxxx>, Zha Qipeng <qipeng.zha@xxxxxxxxx>, Sebastian Reichel <sre@xxxxxxxxxx>, Niklas Söderlund <niklas.soderlund@xxxxxxxxxxxx>, linux-mediatek@xxxxxxxxxxxxxxxxxxx, Brian Norris <computersforpeace@xxxxxxxxx>, "David S. Miller" <davem@xxxxxxxxxxxxx>
- In-reply-to: <20220115154539.j3tsz5ioqexq2yuu@pengutronix.de>
- Organization: Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
- References: <CAMuHMdWK3RKVXRzMASN4HaYfLckdS7rBvSopafq+iPADtGEUzA@mail.gmail.com> <20220112085009.dbasceh3obfok5dc@pengutronix.de> <CAMuHMdWsMGPiQaPS0-PJ_+Mc5VQ37YdLfbHr_aS40kB+SfW-aw@mail.gmail.com> <20220112213121.5ruae5mxwj6t3qiy@pengutronix.de> <Yd9L9SZ+g13iyKab@sirena.org.uk> <20220113110831.wvwbm75hbfysbn2d@pengutronix.de> <YeA7CjOyJFkpuhz/@sirena.org.uk> <20220113194358.xnnbhsoyetihterb@pengutronix.de> <YeF05vBOzkN+xYCq@smile.fi.intel.com> <20220115154539.j3tsz5ioqexq2yuu@pengutronix.de>
On Sat, Jan 15, 2022 at 04:45:39PM +0100, Uwe Kleine-König wrote:
> On Fri, Jan 14, 2022 at 03:04:38PM +0200, Andy Shevchenko wrote:
> > On Thu, Jan 13, 2022 at 08:43:58PM +0100, Uwe Kleine-König wrote:
> > > > It'd certainly be good to name anything that doesn't correspond to one
> > > > of the existing semantics for the API (!) something different rather
> > > > than adding yet another potentially overloaded meaning.
> > >
> > > It seems we're (at least) three who agree about this. Here is a patch
> > > fixing the name.
> >
> > And similar number of people are on the other side.
>
> If someone already opposed to the renaming (and not only the name) I
> must have missed that.
>
> So you think it's a good idea to keep the name
> platform_get_irq_optional() despite the "not found" value returned by it
> isn't usable as if it were a normal irq number?
I meant that on the other side people who are in favour of Sergey's patch.
Since that I commented already that I opposed the renaming being a standalone
change.
Do you agree that we have several issues with platform_get_irq*() APIs?
1. The unfortunate naming
2. The vIRQ0 handling: a) WARN() followed by b) returned value 0
3. The specific cookie for "IRQ not found, while no error happened" case
--
With Best Regards,
Andy Shevchenko
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