usb_kbd: use async polling instead of regular polling
This fixes the overpolling of USB keyboard which
causes slowdown of entier barebox by using periodic
polling occuting once per some milliseconds.

Signed-off-by: Aleksey Kuleshov <rndfax@yandex.ru>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 9505b28 commit b73e1479d62bed0d4de1b26fef069dbc9190a129
@Aleksey Kuleshov Aleksey Kuleshov authored on 9 Mar 2016
Sascha Hauer committed on 10 Mar 2016
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drivers/input/usb_kbd.c