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| cd ~/asuswrt/release/src-rt-5.02p1axhnd.675x/kernel/linux-4.1/
patch -p1 < ~/prebuilt/0001-Add-Quectel-RM500Q-USB-Serial-Driver-Support.patch
#### 补丁文件：~/0001-Add-Quectel-RM500Q-USB-Serial-Driver-Support.patch ####
diff -Nur a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
@@ -687,6 +687,7 @@
};
static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE(0x2C7C, 0x0800) }, /* Quectel RG500Q/RM500Q/RG510Q/RM510Q */
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_COLT) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA) },
{ USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_RICOLA_LIGHT) },
@@ -2086,6 +2087,7 @@
#ifdef CONFIG_PM
.suspend = usb_wwan_suspend,
.resume = usb_wwan_resume,
+ .reset_resume = usb_wwan_resume, // Added by Quectel
#endif
};
@@ -2129,6 +2131,18 @@
iface_desc->bInterfaceClass != USB_CLASS_CDC_DATA)
return -ENODEV;
+ //Quectel modules’s interface 4 can be used as USB network device
+ if (serial->dev->descriptor.idVendor == cpu_to_le16(0x2C7C)) {
+ //some interfaces can be used as USB Network device (ecm, rndis, mbim)
+ if (serial->interface->cur_altsetting->desc.bInterfaceClass != 0xFF) {
+ return -ENODEV;
+ }
+ //interface 4 can be used as USB Network device (qmi)
+ else if (serial->interface->cur_altsetting->desc.bInterfaceNumber >= 4) {
+ return -ENODEV;
+ }
+ }
+
/* Store the blacklist info so we can use it during attach. */
usb_set_serial_data(serial, (void *)blacklist);
diff -Nur a/drivers/usb/serial/usb_wwan.c b/drivers/usb/serial/usb_wwan.c
@@ -471,6 +471,14 @@
usb_sndbulkpipe(serial->dev, endpoint) | dir,
buf, len, callback, ctx);
+ // Added by Quectel for zero packet
+ if (dir == USB_DIR_OUT) {
+ struct usb_device_descriptor *desc = &serial->dev->descriptor;
+
+ if (desc->idVendor == cpu_to_le16(0x2C7C))
+ urb->transfer_flags |= URB_ZERO_PACKET;
+ }
+
return urb;
}
|