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2019-02-20Documentation: gpio: legacy: Don't use POLLERR for poll(2)Uwe Kleine-König1-5/+4
According to the manpage of poll(2) and also looking at the respective syscall providing POLLERR in .events is a no-op. So don't recommend using it. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2018-03-23Documentation: gpio: Move legacy documentation to driver-apiJonathan Neuschäfer1-0/+770
Move gpio/gpio-legacy.txt to driver-api/gpio/legacy.rst and make sure it builds cleanly as ReST. Also move the legacy API reference from index.rst to legacy.rst. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>