linux-kernel - Re: [PATCH] Give gpiolib an implementation of gpio_is

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Date:	Sat, 26 Apr 2008 09:12:39 -0700
From:	David Brownell <david-b@...bell.net>
To:	Ben Nizette <bn@...sdigital.com>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] Give gpiolib an implementation of gpio_is_valid()

On Saturday 26 April 2008, Ben Nizette wrote:
> Platforms which use generic (NOP) gpio routines get an implementation of
> gpio_is_valid() (in linux/gpio.h) but the people who actually use gpio
> don't get one.  Roll an implementation for gpiolib based on
> gpio_request(); this ought to do for most people.

There's already a gpio_is_valid() patch in the MM merge queue;
it comes with the documentation, and covers implementations which
include the <asm-generic/gpio.h> header (for cansleep stubs) but
don't use gpiolib.

So, please wait till RC1, by which time I expect Andrew's queue
will be relatively depleted.  :)

- Dave
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