From: Bernhard Walle <walle@corscience.de>
Date: Thu, 18 Nov 2010 20:27:33 +0000 (-0800)
Subject: Documentation/gpio.txt: explain poll/select usage
X-Git-Tag: v2.6.37-rc3~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebde7b062cd9e2ea968c93f23f73dd28c0a192d1;p=pandora-kernel.git

Documentation/gpio.txt: explain poll/select usage

Add a bit more information how to use poll(2) on GPIO value files
correctly. For me it was not clear that I need to poll(2) for
POLLPRI|POLLERR or select(2) for exceptfds.

Signed-off-by: Bernhard Walle <walle@corscience.de>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

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