regmap: Failed to create debugfs directory

From: Fabio Estevam
Date: Thu Mar 01 2018 - 13:19:58 EST


Hi,

Running linux-next 20180301 on a imx6q-sabresd the following
regmap-debugfs warnings are seen:

[ 0.067965] CPU identified as i.MX6Q, silicon rev 1.2
[ 0.083466] vdd1p1: supplied by regulator-dummy
[ 0.084768] vdd3p0: supplied by regulator-dummy
[ 0.085816] vdd2p5: supplied by regulator-dummy
[ 0.109831] (NULL device *): Failed to create debugfs directory
....

[ 2.961117] input: EETI eGalax Touch Screen as
/devices/soc0/soc/2100000.aips-bus/21a8000.i2c/i2c-2/2-0004/input/input0
[ 2.977027] (NULL device *): Failed to create debugfs directory
[ 2.983929] snvs_rtc 20cc000.snvs:snvs-rtc-lp: rtc core: registered
20cc000.snvs:snvs-rtc-lp as rtc0
[ 2.993457] i2c /dev entries driver
[ 3.002084] (NULL device *): Failed to create debugfs directory
[ 3.010452] imx2-wdt 20c0000.wdog: timeout 60 sec (nowayout=0)

I haven't started to debug this yet, but would like to know if anyone
has any ideas?

Thanks,

Fabio Estevam