Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) Clearing WARN_ONCE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) ------------------
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) WARN_ONCE / WARN_ON_ONCE / printk_once only emit a message once.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) echo 1 > /sys/kernel/debug/clear_warn_once
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) clears the state and allows the warnings to print once again.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) This can be useful after test suite runs to reproduce problems.