From: Alessandro Zummo <azummo-lists@towertech.it>
To: David Brownell <david-b@pacbell.net>
Cc: jordan@cosmicpenguin.net, linux-geode@lists.infradead.org,
dilinger@queued.net, dsaxena@laptop.org,
"Martin-Éric Racine" <q-funk@iki.fi>,
lkml <linux-kernel@vger.kernel.org>,
rpurdie@rpsys.net, "Ingo Molnar" <mingo@elte.hu>,
"Thomas Gleixner" <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH] AMD Geode CS5535/5536 GPIO driver
Date: Fri, 6 Feb 2009 10:16:18 +0100 [thread overview]
Message-ID: <20090206101618.7102e46b@i1501.lan.towertech.it> (raw)
In-Reply-To: <200902051612.20475.david-b@pacbell.net>
On Thu, 5 Feb 2009 16:12:20 -0800
David Brownell <david-b@pacbell.net> wrote:
> Unless this hardware misbehaves when both output and input
> modes are enabled (e.g. in the window between those two calls),
> I'd suggest just not clearing INPUT_ENABLE. It's legit to
> ask for the *actual* value of an output line, e.g. for when
> it uses open drain mode. (And didn't this hardware have an
> option for open drain GPIO signaling?)
seems reasonable,
I'll let the Geode people decide what to do here...
--
Best regards,
Alessandro Zummo,
Tower Technologies - Torino, Italy
http://www.towertech.it
next prev parent reply other threads:[~2009-02-06 9:16 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-05 15:10 [PATCH] AMD Geode CS5535/5536 GPIO driver Alessandro Zummo
2009-02-06 0:12 ` David Brownell
2009-02-06 9:16 ` Alessandro Zummo [this message]
2009-02-15 22:47 ` Jordan Crouse
2009-02-14 20:27 ` Andres Salomon
2009-02-14 22:02 ` Alessandro Zummo
2009-02-14 22:38 ` Andres Salomon
2009-02-14 22:54 ` Alessandro Zummo
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