tree 62111278b4bf452e1c481a2e662b910758b8d123
parent 1dce0e30471ac863fd141d137c98e3644817975e
author Michael Ellerman <michael@ellerman.id.au> 1151050563 +1000
committer Paul Mackerras <paulus@samba.org> 1151459986 +1000

[POWERPC] Export flat device tree via debugfs for debugging

If DEBUG is turned on in prom.c, export the flat device tree via debugfs.
This has been handy on several occasions.

To look at it:
 # mount -t debugfs none /sys/kernel/debug
 # od -a /sys/kernel/debug/powerpc/flat-device-tree
 and/or
 # dtc -fI dtb /sys/kernel/debug/powerpc/flat-device-tree -O dts

Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>