Le 05/28/15 18:42, Mathieu Olivari a écrit :

All switch registers can now be dumped using regmap/debugfs.

\# cat /sys/kernel/debug/regmap/<mdiobus>/registers
0000: 00001302
0004: ...
...

ethtool has a register dump command, which should already be supported
by the current code in net/dsa/slave.c, is there a particular reason why
you use debugfs here instead?
-- 
Florian