From: Andrew Morton <akpm@linux-foundation.org>
To: David Brownell <david-b@pacbell.net>
Cc: linux-kernel@vger.kernel.org, cbouatmailru@gmail.com,
avorontsov@ru.mvista.com, florian.fainelli@telecomint.eu
Subject: Re: [patch 2.6.25-rc2-git] gpio: <linux/gpio.h> and "no GPIO support here" stubs
Date: Wed, 27 Feb 2008 15:48:54 -0800 [thread overview]
Message-ID: <20080227154854.6ee9432c.akpm@linux-foundation.org> (raw)
In-Reply-To: <200802221712.17815.david-b@pacbell.net>
On Fri, 22 Feb 2008 17:12:17 -0800
David Brownell <david-b@pacbell.net> wrote:
> Add a <linux/gpio.h> defining fail/warn stubs for GPIO calls on platforms
> that don't support the GPIO programming interface. That includes the
> arch-specific implementation glue otherwise.
>
> This facilitates a new model for GPIO usage: drivers that can use GPIOs
> if they're available, but don't require them. One example of such a
> driver is NAND driver for various FreeScale chips. On platforms update
> with GPIO support, they can be used instead of a worst-case delay to
> verify that the BUSY signal is off.
>
> (Also includes a couple minor unrelated doc updates.)
>
Looks sane.
> Please include before 2.6.25-final ...
For what reason?
next prev parent reply other threads:[~2008-02-27 23:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-02-23 1:12 David Brownell
2008-02-27 23:48 ` Andrew Morton [this message]
2008-02-28 0:42 ` David Brownell
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