K 10
svn:author
V 3
kan
K 8
svn:date
V 27
2016-12-28T19:40:59.458033Z
K 7
svn:log
V 140
Do not use read-modify-write on MSC control register.

The register is write-only, so just write only bits we want.

Submitted by:	jmcneill

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