usb: dwc3: prevent setting PRTCAP to OTG from debugfs
We don't support PRTCAP == OTG yet, so prevent user from
setting it via debugfs.
Fixes: 41ce1456e1
("usb: dwc3: core: make dwc3_set_mode() work properly")
Cc: <stable@vger.kernel.org> # v4.12+
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
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@ -119,6 +119,9 @@ static void __dwc3_set_mode(struct work_struct *work)
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if (dwc->dr_mode != USB_DR_MODE_OTG)
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return;
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if (dwc->desired_dr_role == DWC3_GCTL_PRTCAP_OTG)
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return;
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switch (dwc->current_dr_role) {
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case DWC3_GCTL_PRTCAP_HOST:
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dwc3_host_exit(dwc);
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