From: Taku Izumi <izumi.t...@jp.fujitsu.com> Date: Tue, 11 Oct 2016 17:55:20 +0900
> This patch implements debug mode for fjes driver. > You can get firmware activity information by enabling > debug mode. This is useful for debugging. > > To enable debug mode, write value of debugging mode to > debug_mode file in debugfs: > > # echo 1 > /sys/kernel/debug/fjes/fjes.0/debug_mode > > To disable debug mode, write 0 to debug_mode file in debugfs: > > # echo 0 > /sys/kernel/debug/fjes/fjes.0/debug_mode > > Firmware activity information can be retrieved via > /sys/kernel/debug/fjes/fjes.0/debug_data file. > > Signed-off-by: Taku Izumi <izumi.t...@jp.fujitsu.com> There is no reason to use debugfs for this, we have facilities such as ETHTOOL_SET_DUMP et al. that you can use to implement this.
