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[Mod] Linux USB Gadget 支持WinUSB免驱

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[详细说明]
1. 新增 调试宏：CONFIG_GAOYANG；
2. 开启 调试宏：DEBUG，打印USB控制器寄存器信息
This commit is contained in:
gaoyang3513
2024-12-24 22:24:15 +08:00
parent 5721f88ac8
commit 12dbf26ada
3 changed files with 9 additions and 2 deletions
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7
linux_5.10/drivers/usb/gadget/composite.c
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@ -1685,7 +1685,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
if (gadget->lpm_capable)
cdev->desc.bcdUSB = cpu_to_le16(0x0201);
else
cdev->desc.bcdUSB = cpu_to_le16(0x0200);
cdev->desc.bcdUSB = cpu_to_le16(0x0201);
}
value = min(w_length, (u16) sizeof cdev->desc);
@ -1716,11 +1716,16 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl)
value = min(w_length, (u16) value);
break;
case USB_DT_BOS:
#if !defined (CONFIG_GAOYANG)
if (gadget_is_superspeed(gadget) ||
gadget->lpm_capable) {
value = bos_desc(cdev);
value = min(w_length, (u16) value);
}
#else
value = bos_desc(cdev);
value = min(w_length, (u16) value);
#endif // defined (CONFIG_GAOYANG)
break;
case USB_DT_OTG:
if (gadget_is_otg(gadget)) {