K 10
svn:author
V 5
kibab
K 8
svn:date
V 27
2018-06-19T11:28:50.864414Z
K 7
svn:log
V 258
Don't try to turn power down MMC bus if it is already down

Regulator framework doens't like turning off already turned off
regulators, so we get panic on AllWinner boards.

Approved by:	imp (mentor)
Differential Revision:	https://reviews.freebsd.org/D15890

END