diff options
| author | Bin Liu <b-liu@ti.com> | 2019-12-11 10:10:03 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-01-15 10:39:22 +0100 |
| commit | 09ed259fac621634d51cd986aa8d65f035662658 (patch) | |
| tree | 6eee39cbe678b575e5ebfcbf5f1777ddcf5b57a0 /drivers/usb/dwc3/core.c | |
| parent | 54c4c69f0baa433233a0c33b4ed26bf0659bc5a5 (diff) | |
usb: dwc3: turn off VBUS when leaving host mode
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>
Diffstat (limited to 'drivers/usb/dwc3/core.c')
| -rw-r--r-- | drivers/usb/dwc3/core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index f561c6c9e8a9..1d85c42b9c67 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -1246,6 +1246,9 @@ 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) |