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From: David Brownell <david-b@pacbell.net>
To: Mike Frysinger <vapier.adi@gmail.com>
Subject: Re: [PATCH] gpio sysfs: add a "toggle" value
Date: Thu, 4 Jun 2009 02:15:48 -0700
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Cc: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
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On Thursday 04 June 2009, Mike Frysinger wrote:
> the point was to lower the number of user<->kernel transitions. ?yes,
> all of this stuff can of course be done in the shell, but it's hard to
> push limits when the interface is tying your hands and sitting on your
> back.

So what's the application that needs to do all this in
userspace yet which can't hook up a quick kernel driver?

I don't like the idea of embedding any kind of interpreter
in the sysfs interface, but that's the direction you seem
to be heading ...


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