From: Stephen Warren <swarren@wwwdotorg.org>
To: Javier Martinez Canillas <javier.martinez@collabora.co.uk>
Cc: Linus Walleij <linus.walleij@linaro.org>,
Lars Poeschel <larsi@wh2.tu-dresden.de>,
Lars Poeschel <poeschel@lemonage.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>,
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: Fri, 30 Aug 2013 13:55:26 -0600 [thread overview]
Message-ID: <5220F8AE.2080300@wwwdotorg.org> (raw)
In-Reply-To: <521FE637.3010805@collabora.co.uk>
On 08/29/2013 06:24 PM, Javier Martinez Canillas wrote:
...
> We have been trying to solve this issue for a few months by now and Linus'
> approach seems to be the most sensible solution to me.
>
> Drivers that request an IRQ and assume that platform code will request and setup
> the GPIO have been broken since the boards using these drivers were migrated to
> DT (e.g: smsc911x on OMAP2+ boards).
That's only true if the driver for the GPIO controller is buggy.
Whatever request_irq() maps down to in the GPIO/IRQ controller driver
simply needs to set up the pin as an interrupt input, then it doesn't
matter which order the driver does things.
next prev parent reply other threads:[~2013-08-30 19:55 UTC|newest]
Thread overview: 69+ 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
2013-08-27 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 [this message]
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
2013-09-11 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 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
2013-09-22 17:01 ` Javier Martinez Canillas
2013-09-23 20:01 ` Linus Walleij
2013-09-23 20:01 ` Linus Walleij
2013-09-23 20:21 ` Stephen Warren
2013-09-23 20:21 ` Stephen Warren
2013-09-24 8:31 ` Linus Walleij
2013-09-24 8:31 ` Linus Walleij
[not found] ` <CACRpkdZ7E7MGppbkTiObvTDHdmphnbysMKVc1OZjsPXKVuKttQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-09-24 16:59 ` Stephen Warren
2013-09-24 16:59 ` Stephen Warren
[not found] ` <5241C4DB.9090200-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2013-10-11 8:16 ` Linus Walleij
2013-10-11 8:16 ` Linus Walleij
2013-09-23 19:41 ` 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
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 18:28 ` 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 19:17 ` Gerlando Falauto
2013-11-11 19:33 ` Stephen Warren
2013-11-11 19:33 ` Stephen Warren
2013-11-11 19:38 ` Tomasz Figa
2013-11-11 19:38 ` Tomasz Figa
2013-11-12 10:29 ` Linus Walleij
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
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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