| commit | ebde7b062cd9e2ea968c93f23f73dd28c0a192d1 | [log] [tgz] |
|---|---|---|
| author | Bernhard Walle <walle@corscience.de> | Thu Nov 18 12:27:33 2010 -0800 |
| committer | Linus Torvalds <torvalds@linux-foundation.org> | Thu Nov 18 15:00:46 2010 -0800 |
| tree | 143d247e7d9c3e505961d769494bd267c14c5078 | |
| 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>