FWIW the "cache: parent cpuN should not be sleeping" warnings no longer appear during s2ram procedure on R-Car H3-ES20 Salvator-X with this patch. The kernel version is v5.0-rc3-241-g7c2614bf7a1f. The test procedure is:
root@salvator-x:~# modprobe i2c-dev root@salvator-x:~# i2cset -f -y 7 0x30 0x20 0x0F root@salvator-x:~# echo deep > /sys/power/mem_sleep root@salvator-x:~# echo mem > /sys/power/state Tested-by: Eugeniu Rosca <[email protected]>
