Commits
Li Jun committed a0d2a296bb0
MLK-11132 usb: chipidea: otg: delay suspend for a_wait_vfall While A device as peripheral ends session by a_bus_drop, it will go back to host role by transition to a_wait_vfall state, then ehci host driver may access portsc status after controller enters suspend , this will result in system hang since its clock is gated off. This patch use existing autosuspend to delay the controller suspend if it comes to a_wait_vfall state. Signed-off-by: Li Jun <jun.li@freescale.com> (cherry picked from commit b140fa6803ef6ececec17e435212a960a3169cc2)