From: Bin Liu b-liu@ti.com
commit 09ed259fac621634d51cd986aa8d65f035662658 upstream.
VBUS should be turned off when leaving the host mode. Set GCTL_PRTCAP to device mode in teardown to de-assert DRVVBUS pin to turn off VBUS power.
Fixes: 5f94adfeed97 ("usb: dwc3: core: refactor mode initialization to its own function") Cc: stable@vger.kernel.org Signed-off-by: Bin Liu b-liu@ti.com Signed-off-by: Felipe Balbi balbi@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org
--- drivers/usb/dwc3/core.c | 3 +++ 1 file changed, 3 insertions(+)
--- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1246,6 +1246,9 @@ static void dwc3_core_exit_mode(struct d /* do nothing */ break; } + + /* de-assert DRVVBUS for HOST and OTG mode */ + dwc3_set_prtcap(dwc, DWC3_GCTL_PRTCAP_DEVICE); }
static void dwc3_get_properties(struct dwc3 *dwc)