From: Bin Liu Date: Wed, 11 Dec 2019 16:10:03 +0000 (-0600) Subject: usb: dwc3: turn off VBUS when leaving host mode X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=e1b4f5461f8b7f11d3882e2725f0fed2632ef02e;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git usb: dwc3: turn off VBUS when leaving host mode 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 Signed-off-by: Felipe Balbi Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index a497b878c3e2..021899c58028 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1031,6 +1031,9 @@ static void dwc3_core_exit_mode(struct dwc3 *dwc) /* 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)