Beagle Board Linux kernel configuration

Hi

I am new user to beagle board and linux kernel. Please let me know how
can i get linux kernel patch for beagleboard-xm Rev C. Please help me.

xM C: already went mainline as of:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=5fe8b4c19dc24e3bb873daf9e96a2439a83bbd79

If your usb still isn't working, double check your bootloader actually
knows about the "xM C" and isn't just defaulting to a random board..

Regards,