When I compiled the 4G module in the EG-25 device, it has a error: error:‘usb_serial_generic_device’ undeclared(first use in this function)
How can I fix it?
When I compiled the 4G module in the EG-25 device, it has a error: error:‘usb_serial_generic_device’ undeclared(first use in this function)
How can I fix it?
option driver is depend on the usbserial.
I guess you haven’t built or install the usbserial yet.