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Tapani Utriainen a6f2464bb1 uart: add a function to query current UART settings
This patch adds a function to query UART settings in an unintrusive way.
It can be used using a uart index or a devpath and it strives to just
read out the settings without affecting the state of the UART.

Signed-off-by: Tapani Utriainen <tapani@technexion.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
2017-05-28 08:11:21 +02:00
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