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| author | Bernhard Walle <walle@corscience.de> | 2010-11-18 12:27:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-11-18 15:00:46 -0800 |
| commit | ebde7b062cd9e2ea968c93f23f73dd28c0a192d1 (patch) | |
| tree | 143d247e7d9c3e505961d769494bd267c14c5078 /Documentation/DocBook/uio-howto.tmpl | |
| parent | 09c9feb94672bdb3ca6d424a292ffc26eff8ca0b (diff) | |
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>
Diffstat (limited to 'Documentation/DocBook/uio-howto.tmpl')
0 files changed, 0 insertions, 0 deletions