serial: 8250: Use hrtimers for rs485 delays

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Previously the timers where based on the classic timers, giving a too
coarse resolution on systems with configs of less than 1000 HZ.

This patch changes the rs485 timers to hrtimers.

Signed-off-by: Rafael Gago Castano <rgc@hms.se>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Rafael Gago 2017-07-31 10:46:43 +02:00 • committed by Greg Kroah-Hartman

parent a6845e1e1b

commit 6e0a5de213

2 changed files with 44 additions and 26 deletions

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include/linux/serial_8250.h

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