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From: David Brownell <david-b@pacbell.net>
To: Jani Nikula <ext-jani.1.nikula@nokia.com>
Subject: Re: [PATCH v2] gpiolib: allow poll(2) on gpio value
Date: Thu, 2 Jul 2009 11:57:33 -0700
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Cc: Daniel =?iso-8859-1?q?Gl=F6ckner?= <dg@emlix.com>,
       Ben Nizette <bn@niasdigital.com>, linux-kernel@vger.kernel.org
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On Thursday 02 July 2009, Jani Nikula wrote:
> > Looks pretty clean. ?Comments from anyone else?
> 
> I'd appreciate a kernel side interface to gpio_setup_irq functionality
> as well; now gpio_export from kernel won't setup support for poll(2)
> nor is there any possibility to do so.

I don't understand what you mean by this... there's no
file descriptor open at that time, so there's no poll()
that could be done.

And kernel-side functionality can just use existing
interfaces to do whatever it likes...

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