usb: dwc2: gadget: exit hibernation before power down

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When disconnecting cable, controller will detect a suspend condition
and enter partial power down. If vbus_session is called by the phy
driver during hibernation, make sure controller exit hibernation
before it is accessed.

Signed-off-by: Jianqiang Tang <jianqiang.tang@intel.com>
Signed-off-by: Gregory Herrero <gregory.herrero@intel.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Tested-by: Robert Baldyga <r.baldyga@samsung.com>
Tested-by: Dinh Nguyen <dinguyen@opensource.altera.com>
Tested-by: John Youn <johnyoun@synopsys.com>
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

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Gregory Herrero 2015-09-29 12:08:28 +02:00 • committed by Felipe Balbi

parent 1ee6903b8f

commit 61f7223bf1

1 changed files with 7 additions and 6 deletions

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drivers/usb/dwc2/gadget.c

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