Hello, I made a usb device driver based on usb-skeleton.c from Greg Kroah-Hartman in an ARM linux system. After installing this module, I can see it by lsmod command, I also made the device in /dev/mx0 (it is the only usb device driver in my system). But when I start an application to call fd = open("dev/mx0", O_RDWR), it return an error of "No such device". I have many other device drivers all work fine in the system. What could I be missing and how to resolve this problem?
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