Re: [PATCH v2] drivers: base: add support to skip power management in device/driver model

[Eugeniu Rosca]

Hello Sudeep,

I appreciate your efforts. Currently, this patch generates below
warnings during s2ram on R-Car H3-Salvator-X:

[ 46.874214] PM: suspend entry (deep)
[ 46.878211] PM: Syncing filesystems ... done.
[ 46.989148] Freezing user space processes ... (elapsed 0.004 seconds) done.
[ 47.000428] OOM killer disabled.
[ 47.003895] Freezing remaining freezable tasks ... (elapsed 0.003 seconds) done.
[ 47.226363] PM: suspend devices took 0.210 seconds
[ 47.280553] Disabling non-boot CPUs ...
[ 47.289157] ------------[ cut here ]------------
[ 47.294524] sysfs group 'power' not found for kobject 'index0'
[ 47.300622] WARNING: CPU: 1 PID: 14 at fs/sysfs/group.c:256 sysfs_remove_group+0x78/0xc4
---snip---
[ 47.550425] sysfs group 'power' not found for kobject 'index1'
---snip---
[ 47.807005] sysfs group 'power' not found for kobject 'index2'
---snip---
[ 48.063703] sysfs group 'power' not found for kobject 'cache'
---snip---

Complete log and .config are shared in
https://gist.github.com/erosca/da9ea551033a503121de61049d77b834

Thank you,
Eugeniu.