Hi,
I'm working on an Linux embedded application with
the following questions regarding a new USB device
driver:
1. How to add an item (e.g. xyz) of new device driver
for configuration with "make xconfig"?
Currently, I used linux-2.4.18.tar.gz and related patches,
after installation on /root/linux and "make mrproper",
I use the following procedure to create a new kernel:
make xconfig
make dep
make bzImage
2. How to assign the major number for a new device driver?
I found USB_MAJOR = 180 (from usb.h)
ACM_TTY_MAJOR = 166 (from usb/acm.c)
BLUETOOTH_TTY_MAJOR = 216 (from usb/bluetooth.c)
Any criteria for major number assignment? How to avoid
major numbers conflict?
3. Any Test/Debug Tools available for new USB device driver?
Any suggestions for test/debug phase based on your
experience?
Thanks!
Jiahan
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