tree ebaf1babd3624fc767a1c1eb4b36a6219e5afdb8
parent 4d79e042ed8b45e01bcec90de6b0c79c6c29d2b5
author Chunfeng Yun <chunfeng.yun@mediatek.com> 1507885844 +0800
committer Felipe Balbi <felipe.balbi@linux.intel.com> 1508398692 +0300

usb: mtu3: get optional vbus for host only mode

When dr_mode is set as USB_DR_MODE_HOST, it's better to try to
get optional vbus, this can increase flexibility, although we
can set vbus as always on for regulator or put it in host driver
to turn it on.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>