K 10
svn:author
V 3
imp
K 8
svn:date
V 27
2014-03-02T23:09:36.372511Z
K 7
svn:log
V 243
MRC: r260886

Merge only the uart_dev_at91usart.c part of this revision,
since it has nothing to do with the commit log and was included
by mistake there.

This connects the new grab/ungrab upcalls that were revised
in uart to fix mountroot>.

END