payton/nt9856x
Template
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

1.调整usb驱动

Browse Source
This commit is contained in:
payton 2023-07-14 19:42:55 +08:00
parent 15045b439a
commit f73c4090e1
1 changed files with 29 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

29
BSP/linux-kernel/drivers/usb/serial/option.c
View File

@ -2070,6 +2070,35 @@ static int option_probe(struct usb_serial *serial,
&serial->interface->cur_altsetting->desc; &serial->interface->cur_altsetting->desc;
unsigned long device_flags = id->driver_info; unsigned long device_flags = id->driver_info;
#if 1 //Added by Quectel
//Quectel UC20's interface 4 can be used as USB Network device
if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9003)
&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
return -ENODEV;
//Quectel EC20(MDM9215)'s interface 4 can be used as USB Network device
if (serial->dev->descriptor.idVendor == cpu_to_le16(0x05C6) && serial->dev->descriptor.idProduct == cpu_to_le16(0x9215)
&& serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4)
return -ENODEV;
if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) {
__u16 idProduct = le16_to_cpu(serial->dev->descriptor.idProduct);
struct usb_interface_descriptor *intf = &serial->interface->cur_altsetting->desc;
if (intf->bInterfaceClass != 0xFF || intf->bInterfaceSubClass == 0x42) {
//ECM, RNDIS, NCM, MBIM, ACM, UAC, ADB
return -ENODEV;
}
if ((idProduct&0xF000) == 0x0000) {
//MDM interface 4 is QMI
if (intf->bInterfaceNumber == 4 && intf->bNumEndpoints == 3
&& intf->bInterfaceSubClass == 0xFF && intf->bInterfaceProtocol == 0xFF)
return -ENODEV;
}
}
#endif
/* Never bind to the CD-Rom emulation interface */ /* Never bind to the CD-Rom emulation interface */
if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE) if (iface_desc->bInterfaceClass == USB_CLASS_MASS_STORAGE)
return -ENODEV; return -ENODEV;