From: Lars Poeschel <poeschel@lemonage.de>
To: Stephen Warren <swarren@wwwdotorg.org>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Lars Poeschel <larsi@wh2.tu-dresden.de>,
Grant Likely <grant.likely@linaro.org>,
"linux-gpio@vger.kernel.org" <linux-gpio@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ian.campbell@citrix.com>,
Kumar Gala <galak@codeaurora.org>,
Pawel Moll <pawel.moll@arm.com>,
Tomasz Figa <tomasz.figa@gmail.com>,
Javier Martinez Canillas <javier.martinez@collabora.co.uk>,
Enric Balletbo i Serra <eballetbo@gmail.com>,
Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>,
Santosh Shilimkar <santosh.shilimkar@ti.com>,
Kevin Hilman <khilman@linaro.org>, Balaji T K <balajitk@ti.com>,
Tony Lindgren <tony@atomide.com>,
Jon Hunter <jgchunter@gmail.com>
Subject: Re: [PATCH v3] gpio: interrupt consistency check for OF GPIO IRQs
Date: Wed, 04 Sep 2013 10:35:44 +0200 [thread overview]
Message-ID: <5584741.67AvVurcHF@lem-wkst-02> (raw)
In-Reply-To: <52261C8B.2030906@wwwdotorg.org>
On Wednesday 04 September 2013 11:29:47, Stephen Warren wrote:
> On 09/03/2013 06:35 AM, Linus Walleij wrote:
> > On Fri, Aug 30, 2013 at 9:53 PM, Stephen Warren <swarren@wwwdotorg.org>
wrote:
> >> I still haven't seen an answer to why we really care about this; how
> >> many times has code actually allocated the same GPIO/IRQ when it
> >> shouldn't, in a way that it wasn't detectable by some other mechanism,
> >> i.e. the feature just not working? Why are we even trying to solve this
> >> issue? I'm not totally convinced it even makes sense to try and solve it.
> >
> > We care about this because a number of OMAP boards are not
> > working properly when booted from device tree, and they have a hard
> > time figuring out a solution to the problem. Last try exploded. Now
> > they are looking to create a patch that will fix the actual problem.
>
> Is something missing from /proc/interrupts or /sys/kernel/debug/gpios?
> If so, let's just add it.
That would require procfs to be mounted to /proc and even CONFIG_PROC_FS to be
compiled in. Drivers have to work without that requirement.
That would require CONFIG_DEBUG_FS to be set, right? Drivers have to work
without that.
next prev parent reply other threads:[~2013-09-04 8:35 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-26 14:07 [PATCH v3] gpio: interrupt consistency check for OF GPIO IRQs Lars Poeschel
2013-08-27 20:17 ` Stephen Warren
2013-08-27 20:38 ` Santosh Shilimkar
2013-08-29 19:26 ` Linus Walleij
2013-08-30 0:24 ` Javier Martinez Canillas
2013-08-30 19:55 ` Stephen Warren
2013-09-02 9:25 ` Lars Poeschel
2013-09-03 17:27 ` Stephen Warren
2013-09-04 9:05 ` Lars Poeschel
2013-09-04 20:16 ` Stephen Warren
2013-09-09 16:19 ` Mark Brown
2013-09-10 8:47 ` Lars Poeschel
2013-09-10 13:56 ` Javier Martinez Canillas
2013-09-10 19:52 ` Stephen Warren
2013-09-10 21:23 ` Javier Martinez Canillas
2013-09-11 5:24 ` Joel Fernandes
2013-09-10 19:53 ` Stephen Warren
2013-09-10 21:37 ` Mark Brown
2013-09-10 22:34 ` Stephen Warren
2013-09-11 0:52 ` Javier Martinez Canillas
2013-09-11 19:43 ` Stephen Warren
[not found] ` <5230C7F6.3080803-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-09-16 16:03 ` Lars Poeschel
2013-09-16 17:09 ` Stephen Warren
[not found] ` <52373B34.4060709-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-09-22 17:01 ` Javier Martinez Canillas
2013-09-23 20:01 ` Linus Walleij
2013-09-23 20:21 ` Stephen Warren
2013-09-24 8:31 ` Linus Walleij
[not found] ` <CACRpkdZ7E7MGppbkTiObvTDHdmphnbysMKVc1OZjsPXKVuKttQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-24 16:59 ` Stephen Warren
[not found] ` <5241C4DB.9090200-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-11 8:16 ` Linus Walleij
2013-09-23 19:41 ` Linus Walleij
2013-09-23 19:53 ` Linus Walleij
2013-09-23 20:12 ` Stephen Warren
2013-09-24 8:26 ` Linus Walleij
[not found] ` <CACRpkdZKqW9veHzc1Rgj4oKsjGRATk+Sz8vJaP3EfT4de+bjQA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-24 16:56 ` Stephen Warren
[not found] ` <20130909161924.GT29403-GFdadSzt00ze9xe1eoZjHA@public.gmane.org>
2013-11-11 18:28 ` Gerlando Falauto
2013-11-11 18:53 ` Stephen Warren
[not found] ` <528127B2.80109-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-11-11 19:17 ` Gerlando Falauto
2013-11-11 19:33 ` Stephen Warren
2013-11-11 19:38 ` Tomasz Figa
2013-11-12 10:29 ` Linus Walleij
2013-09-03 12:43 ` Linus Walleij
2013-09-03 17:32 ` Stephen Warren
2013-08-30 19:53 ` Stephen Warren
2013-09-02 9:38 ` Lars Poeschel
2013-09-03 17:29 ` Stephen Warren
2013-09-04 9:21 ` Lars Poeschel
2013-09-04 20:18 ` Stephen Warren
2013-09-03 12:35 ` Linus Walleij
2013-09-03 17:29 ` Stephen Warren
2013-09-04 8:35 ` Lars Poeschel [this message]
2013-09-04 20:13 ` Stephen Warren
[not found] ` <CAK7N6vrEXVyLHpY-v+SJ668hC0wvHrWOgtviAQ+w5yis7p_E4Q@mail.gmail.com>
2013-09-03 17:22 ` Stephen Warren
2013-08-29 15:14 ` Strashko, Grygorii
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