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From: Jesse Barnes <jbarnes@virtuousgeek.org>
To: Alan Cox <alan@linux.intel.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Cc: Vincent Pelletier <plr.vincent@gmail.com>,
	Simon Guinot <simon.guinot@sequanux.org>,
	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>
Subject: Re: [PATCH] kernel/resource.c: fix muxed resource handling in __request_region()
Date: Mon, 22 Feb 2016 12:46:09 -0800	[thread overview]
Message-ID: <56CB7391.30203@virtuousgeek.org> (raw)
In-Reply-To: <1456148952.24303.273.camel@linux.intel.com>

On 02/22/2016 05:49 AM, Alan Cox wrote:
>> we have some good alternatives in the form of bus and platform
>> drivers that
>> can manage the appropriate serialization and keep things from
>> stomping
>> on one another.
> 
> It's not used much, especially nowdays. The use case is basically multi
> I/O chips on the ISA/LPC bus with magic shared config register ports.
> 
> We have sufficiently few of those we could give muxed the boot and
> special case them if preferred.

Ah that's right, now I remember the context.  So where should we go from here then?  Just leave the ugly fix in or hack on old stuff and hope not to break it?

Jesse


  reply	other threads:[~2016-02-22 20:53 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-08-20 18:03 gpio-f7188x: Fix concurrent GPIO accesses (and minor improvements) Vincent Pelletier
2015-08-20 18:03 ` [1/4] gpio: gpio-f7188x: Use mutex for access serialisation Vincent Pelletier
2015-08-20 18:03   ` [2/4] gpio: gpio-f7188x: GPIO bank 0 bit 0 is not available on f71869a Vincent Pelletier
2015-08-20 18:03   ` [3/4] gpio: gpio-f7188x: "get" should retrieve sensed level when available Vincent Pelletier
2015-08-20 18:03   ` [4/4] gpio: gpio-f7188x: Implement get_direction Vincent Pelletier
2015-08-21 17:52   ` [1/4] gpio: gpio-f7188x: Use mutex for access serialisation Simon Guinot
2015-08-21 20:48     ` Vincent Pelletier
2015-08-22 17:04       ` Vincent Pelletier
2015-09-03 18:05       ` Vincent Pelletier
2015-09-04  7:39         ` Simon Guinot
2015-09-09 22:01         ` 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
2016-02-20 22:15                     ` Jesse Barnes
2016-02-22 13:49                     ` Alan Cox
2016-02-22 20:46                       ` Jesse Barnes [this message]
2016-02-23 16:19                         ` Simon Guinot
2016-02-23 17:19                           ` Jesse Barnes
2016-02-23 21:38                             ` One Thousand Gnomes
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
2015-09-04 13:48       ` Vincent Donnefort
2015-09-05  7:43         ` Vincent Pelletier

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