From: Haavard Skinnemoen <hskinnemoen@atmel.com>
To: Florian Fainelli <florian.fainelli@telecomint.eu>
Cc: Marc Pignat <marc.pignat@hevs.ch>, linux-kernel@vger.kernel.org
Subject: Re: [RFC, PATCH, take 2] watchdog on generic gpio
Date: Mon, 14 Jan 2008 16:57:54 +0100 [thread overview]
Message-ID: <20080114165754.46e187f3@siona> (raw)
In-Reply-To: <200801141503.15359.florian.fainelli@telecomint.eu>
On Mon, 14 Jan 2008 15:03:14 +0100
Florian Fainelli <florian.fainelli@telecomint.eu> wrote:
> Le lundi 14 janvier 2008, Marc Pignat a écrit :
> > Hi Florian!
> > I understand your wish, but...
> > You told me that your plaform doesn't implement the generic gpio
> > interface (yet?), so this driver can't work for you.
>
> You understood me wrong, I told you that not all platforms, actually
> only AVR32 and ARM seem to make use of David Brownell's gpiolib, but
> the MIPS board I am working with supports the "old" generic GPIO API
> which required you to define your own wrappers for gpio_set/get_value
> and such. For both implementations the config symbol is GENERIC_GPIO,
> which can somehow be confusing.
GENERIC_GPIO means that some implementation of the generic GPIO API is
present. Gpiolib is a specific implementation of that API which
architectures may choose to utilize -- it doesn't change anything that
drivers should care about.
Haavard
prev parent reply other threads:[~2008-01-14 15:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-14 10:03 [RFC, PATCH, take 2] watchdog on generic gpio Marc Pignat
2008-01-14 11:06 ` Florian Fainelli
2008-01-14 13:01 ` Marc Pignat
2008-01-14 14:03 ` Florian Fainelli
2008-01-14 14:59 ` Marc Pignat
2008-01-14 15:57 ` Haavard Skinnemoen [this message]
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