Currently we just disabled ohci interrupts when calling ohci_shutdown,
Which would not actually shutdown the ohci controller, for example it
may still written the increased HccaFrameNumber to Hcca buffer.
Perform a soft reset to ohci controller as the linux kernel ohci-hcd
driver does.
BUG=chrome-os-partner:60996
BRANCH=None
TEST=Checked on gru, no more "BUG: Bad page state" error in kernel.
Change-Id: I3f192aea627ba2fa69533bc0a4270466ca18f2a7
Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
Reviewed-on: https://chromium-review.googlesource.com/426338
Reviewed-by: Douglas Anderson <dianders@chromium.org>
4749fc82fd