From: One Thousand Gnomes <gnomes@lxorguk.ukuu.org.uk>
To: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: Simon Guinot <simon.guinot@sequanux.org>,
Alan Cox <alan@linux.intel.com>,
Linus Torvalds <torvalds@linux-foundation.org>,
Vincent Pelletier <plr.vincent@gmail.com>,
Giel van Schijndel <me@mortis.eu>,
linux-gpio@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Vincent Donnefort <vdonnefort@gmail.com>,
Yoann Sculo <yoann@sculo.fr>,
Linus Walleij <linus.walleij@linaro.org>
Subject: Re: [PATCH] kernel/resource.c: fix muxed resource handling in __request_region()
Date: Tue, 23 Feb 2016 21:38:35 +0000 [thread overview]
Message-ID: <20160223213835.50e42ca5@lxorguk.ukuu.org.uk> (raw)
In-Reply-To: <56CC9489.7060706@virtuousgeek.org>
> > IORESOURCE_MUXED is a convenient way to deal with that. For some code
> > examples you can look at the superio_* functions in the IT87 drivers:
> > gpio/gpio-it87.c, hwmon/it87.c and watchdog/it87_wdt.c.
> >
> > I am not aware of any other users for IORESOURCE_MUXED.
> >
> > Let me know how you want to go and if you need my help.
>
> I'd be happy if you proposed a patch. It would also be nice if we could
> somehow more formally limit the MUXED usage to these super I/O devices,
> just so other users don't get into trouble thinking it's more general
> than it is.
Today I think the problem wouldn't exist. We'd tell the authors of the
drivers to create an mfd or similar to manage the resources and load the
appropriate extra goodies.
Alan
next prev parent reply other threads:[~2016-02-23 21:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1440093809-18234-1-git-send-email-plr.vincent@gmail.com>
[not found] ` <7d1a2156ddabe0b72964e88734adba307a472067.1440093298.git.plr.vincent@gmail.com>
[not found] ` <20150821175216.GE1729@kw.sim.vm.gnt>
[not found] ` <20150821224824.3406caa0@x2>
[not found] ` <20150903200540.399a96b8@x2>
2015-09-09 22:01 ` [1/4] gpio: gpio-f7188x: Use mutex for access serialisation Simon Guinot
2015-09-09 22:15 ` [PATCH] kernel/resource.c: fix muxed resource handling in __request_region() Simon Guinot
2016-02-19 21:10 ` Vincent Pelletier
2016-02-19 23:25 ` Jesse Barnes
2016-02-20 17:11 ` Linus Torvalds
2016-02-20 22:15 ` Jesse Barnes
2016-02-22 13:49 ` Alan Cox
2016-02-22 20:46 ` Jesse Barnes
2016-02-23 16:19 ` Simon Guinot
2016-02-23 17:19 ` Jesse Barnes
2016-02-23 21:38 ` One Thousand Gnomes [this message]
2016-02-24 14:25 ` [PATCH] kernel/resource.c: ensure parent is not freed " Simon Guinot
2016-02-23 8:00 ` [PATCH] kernel/resource.c: fix muxed resource handling " Vincent Pelletier
2015-09-12 13:26 ` [1/4] gpio: gpio-f7188x: Use mutex for access serialisation Vincent Pelletier
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