From: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Date: Wed, 26 May 2010 21:42:18 +0000 (-0700)
Subject: gpiolib: document that names can contain printk format specifiers
X-Git-Tag: v2.6.35-rc1~219
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=7839ec78214ecf477cc9e2862233b8d9fcf4ec58;p=platform%2Fupstream%2Fkernel-adaptation-pc.git

gpiolib: document that names can contain printk format specifiers

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index bc0c14d..fb1ecf8 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -60,7 +60,9 @@ struct module;
  * @names: if set, must be an array of strings to use as alternative
  *      names for the GPIOs in this chip. Any entry in the array
  *      may be NULL if there is no alias for the GPIO, however the
- *      array must be @ngpio entries long.
+ *      array must be @ngpio entries long.  A name can include a single printk
+ *      format specifier for an unsigned int.  It is substituted by the actual
+ *      number of the gpio.
  *
  * A gpio_chip can help platforms abstract various sources of GPIOs so
  * they can all be accessed through a common programing interface.