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Commit ca1c1189 authored by Simon Appleby's avatar Simon Appleby Committed by Felipe Balbi
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usb: gadget: net2280: fix endpoint max packet for super speed connections 



This patch fixes the register offset used for super-speed connection's
max packet size. Without it using the 338x series of devices in enhanced
mode will only allow full or high speed operation to function correctly.

Signed-off-by: default avatarSimon Appleby <simon.appleby@pickeringtest.com>
Signed-off-by: default avatarFelipe Balbi <balbi@kernel.org>
parent 7b0a271d

drivers/usb/gadget/udc/net2280.h

+13 −2
Original line number Diff line number Diff line
@@ -369,9 +369,20 @@ static inline void set_max_speed(struct net2280_ep *ep, u32 max) 
	static const u32 ep_enhanced[9] = { 0x10, 0x60, 0x30, 0x80,

					  0x50, 0x20, 0x70, 0x40, 0x90 };



	if (ep->dev->enhanced_mode)

	if (ep->dev->enhanced_mode) {

		reg = ep_enhanced[ep->num];

	else{

		switch (ep->dev->gadget.speed) {

		case USB_SPEED_SUPER:

			reg += 2;

			break;

		case USB_SPEED_FULL:

			reg += 1;

			break;

		case USB_SPEED_HIGH:

		default:

			break;

		}

	} else {

		reg = (ep->num + 1) * 0x10;

		if (ep->dev->gadget.speed != USB_SPEED_HIGH)

			reg += 1;