| Message ID | 1519728877-9366-1-git-send-email-rogerq@ti.com |
|---|---|
| State | Accepted |
| Commit | daaecc6541d014dca073473ec8a4120c0babbeb4 |
| Headers | show |
| Series | usb: dwc3: prevent setting PRTCAP to OTG from debugfs | expand |
diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index e94bf91..df4569d 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -119,6 +119,9 @@ static void __dwc3_set_mode(struct work_struct *work) if (dwc->dr_mode != USB_DR_MODE_OTG) return; + if (dwc->desired_dr_role == DWC3_GCTL_PRTCAP_OTG) + return; + switch (dwc->current_dr_role) { case DWC3_GCTL_PRTCAP_HOST: dwc3_host_exit(dwc);
We don't support PRTCAP == OTG yet, so prevent user from setting it via debugfs. Fixes: 41ce1456e1db ("usb: dwc3: core: make dwc3_set_mode() work properly") Cc: <stable@vger.kernel.org> # v4.12+ Signed-off-by: Roger Quadros <rogerq@ti.com> --- drivers/usb/dwc3/core.c | 3 +++ 1 file changed, 3 insertions(+) -- cheers, -roger Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki