Enable SuperSpeedPlus by programming the DCFG.speed and after enumerating, set gadget->speed appropriately.
Signed-off-by: John Youn <johny...@synopsys.com> --- drivers/usb/dwc3/gadget.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 1ba4c2e..b4baccc 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -1629,8 +1629,13 @@ static int dwc3_gadget_start(struct usb_gadget *g, case USB_SPEED_HIGH: reg |= DWC3_DSTS_HIGHSPEED; break; - case USB_SPEED_SUPER: /* FALLTHROUGH */ - case USB_SPEED_UNKNOWN: /* FALTHROUGH */ + case USB_SPEED_SUPER: + reg |= DWC3_DSTS_SUPERSPEED; + break; + case USB_SPEED_SUPER_PLUS: + reg |= DWC3_DSTS_SUPERSPEED_PLUS; + break; + case USB_SPEED_UNKNOWN: default: reg |= DWC3_DSTS_SUPERSPEED; } @@ -2337,6 +2342,11 @@ static void dwc3_gadget_conndone_interrupt(struct dwc3 *dwc) dwc3_update_ram_clk_sel(dwc, speed); switch (speed) { + case DWC3_DCFG_SUPERSPEED_PLUS: + dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512); + dwc->gadget.ep0->maxpacket = 512; + dwc->gadget.speed = USB_SPEED_SUPER_PLUS; + break; case DWC3_DCFG_SUPERSPEED: /* * WORKAROUND: DWC3 revisions <1.90a have an issue which -- 2.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html