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Hugo Villeneuve
af071d9e07
It's strongly recommended for GPIO drivers to always implement the
.get_direction() callback - even when the direction is tracked in
software. The GPIO core emits a warning when the callback is missing
and a user reads the direction of a line, e.g. via
/sys/kernel/debug/gpio.
Fixes: dfeae619d7 ("serial: sc16is7xx")
Cc: stable <[email protected]>
Signed-off-by: Hugo Villeneuve <[email protected]>
Acked-by: Bartosz Golaszewski <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>