How to adjust the log level?

Technical Support General
1

Do you know why I have this kind of message in the dmesg? And how to adjust this log level.

buffer_size=(0x8000), smp_number_max=(4096)
[ 1722.583658] RTW: nolinked power save leave
[ 1722.687458] RTW: ERROR Free disconnecting network of scanned_queue failed due to pwlan == NULL

[ 1722.735853] IPv6: ADDRCONF(NETDEV_UP): wlan0: link is not ready
[ 1730.723522] RTW: nolinked power save enter
[ 1730.822613] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1731.501119] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1731.529201] RTW: nolinked power save leave
[ 1747.883041] RTW: nolinked power save enter
[ 1748.739518] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1749.406816] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1749.436706] RTW: nolinked power save leave
[ 1755.459814] RTW: nolinked power save enter
[ 1761.783492] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1762.512412] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1762.545306] RTW: nolinked power save leave
[ 1772.595564] RTW: nolinked power save enter
[ 1780.746911] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1781.491606] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1781.521374] RTW: nolinked power save leave
[ 1791.564142] RTW: nolinked power save enter
[ 1808.757523] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1809.383532] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1809.417697] RTW: nolinked power save leave
[ 1819.472440] RTW: nolinked power save enter
[ 1851.766382] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1852.356847] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
[ 1852.381652] RTW: nolinked power save leave
[ 1860.378859] RTW: nolinked power save enter
[ 1915.819752] RTW: WARN [HALMAC][WARN]the H2C ver. does not match halmac
[ 1916.731691] start_addr=(0x8000), end_addr=(0x10000), buffer_size=(0x8000), smp_number_max=(4096)
2

This is the debug log, it can be disabled by command echo 0 > /proc/net/rtl8821cs/log_level