diff options
Diffstat (limited to 'drivers/usb/dwc3/gadget.c')
| -rw-r--r-- | drivers/usb/dwc3/gadget.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 0aa89e704a55..9acf515f6a67 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -2064,9 +2064,14 @@ static void __dwc3_gadget_set_ssp_rate(struct dwc3 *dwc) static void __dwc3_gadget_set_speed(struct dwc3 *dwc) { + enum usb_device_speed speed; u32 reg; - if (dwc->gadget_max_speed == USB_SPEED_SUPER_PLUS && + speed = dwc->gadget_max_speed; + if (speed > dwc->maximum_speed) + speed = dwc->maximum_speed; + + if (speed == USB_SPEED_SUPER_PLUS && DWC3_IP_IS(DWC32)) { __dwc3_gadget_set_ssp_rate(dwc); return; @@ -2092,7 +2097,7 @@ static void __dwc3_gadget_set_speed(struct dwc3 *dwc) !dwc->dis_metastability_quirk) { reg |= DWC3_DCFG_SUPERSPEED; } else { - switch (dwc->gadget_max_speed) { + switch (speed) { case USB_SPEED_LOW: reg |= DWC3_DCFG_LOWSPEED; break; @@ -2112,7 +2117,7 @@ static void __dwc3_gadget_set_speed(struct dwc3 *dwc) reg |= DWC3_DCFG_SUPERSPEED_PLUS; break; default: - dev_err(dwc->dev, "invalid speed (%d)\n", dwc->gadget_max_speed); + dev_err(dwc->dev, "invalid speed (%d)\n", speed); if (DWC3_IP_IS(DWC3)) reg |= DWC3_DCFG_SUPERSPEED; @@ -2122,8 +2127,8 @@ static void __dwc3_gadget_set_speed(struct dwc3 *dwc) } if (DWC3_IP_IS(DWC32) && - dwc->gadget_max_speed > USB_SPEED_UNKNOWN && - dwc->gadget_max_speed < USB_SPEED_SUPER_PLUS) + speed > USB_SPEED_UNKNOWN && + speed < USB_SPEED_SUPER_PLUS) reg &= ~DWC3_DCFG_NUMLANES(~0); dwc3_writel(dwc->regs, DWC3_DCFG, reg); |