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H A Dsunxi.ce1abfa437a2917834bcb8a9ee20c1e18bfc466f5 Sun Jun 14 09:55:28 UTC 2015 Hans de Goede <hdegoede@redhat.com> sunxi: musb: Do not fully reset the controler from sunxi_musb_disable

Fully resetting the controller is a too big hammer, and the musb_core will
then afterwards fail to communicate with any endpoints other then 0 as
too much state was cleared.

Instead report vbus low for 200ms which will effectively end the current
session without needing to do a full reset.

This fixes usb mass-storage devices no longer working after a "usb reset"

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Ian Campbell <ijc@hellion.org.uk>