default or selected kernelversion does not have config value CONFIG_MTD_UBI_DEBUG_MSG_WL.
Result is shown for kernelversion 5.4.69
Wear-leveling unit messages
configname: CONFIG_MTD_UBI_DEBUG_MSG_WL
Linux Kernel Configuration
└─>Device Drivers
└─>Memory Technology Device (MTD) support
└─>Enable UBI - Unsorted block images
└─>Wear-leveling unit messages
In linux kernel since version 2.6.24 (release Date: 2008-01-24)
This option enables debugging messages from the UBI wear-leveling
unit.
unit.