#3198 closed enhancement (fixed)

Add lazy update of line control and baud divisor to NS16550 serial driver

Reported by: Sebastian Huber Owned by: Sebastian Huber
Priority: normal Milestone: 5.1
Component: dev/serial Version:
Severity: normal Keywords:
Cc: Blocked By:
Blocking:

Description

Updates of the line control and baud divisor while transfers are in progress may lead to unpredictable behaviour on some chips. Perform the updates only if necessary.

Change History (2)

comment:1 Changed on Oct 18, 2017 at 6:52:56 AM by Sebastian Huber <sebastian.huber@…>

Resolution: fixed
Status: assignedclosed

In 67015b6/rtems:

dev/serial: Lazy update of NS16550 settings

Updates of the line control and baud divisor while transfers are in
progress may lead to unpredictable behaviour on some chips. Perform the
updates only if necessary.

Close #3198.

comment:2 Changed on Nov 9, 2017 at 6:27:14 AM by Sebastian Huber

Milestone: 4.12.05.1

Milestone renamed

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