Как отключить лог в UARTе

[wallera]

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root@OpenWrt:~# ls /sys/bus/platform/drivers/ar933x-uart/
ar933x-uart bind uevent unbind
root@OpenWrt:~# ls /sys/bus/platform/drivers/serial8250/
bind serial8250 uevent unbind
root@OpenWrt:~#



root@OpenWrt:~# ls -l /sys/bus/platform/drivers/serial8250/
--w------- 1 root root 4096 Dec 4 09:21 bind
lrwxrwxrwx 1 root root 0 Dec 4 09:21 serial8250 -> ../../../../devices/platform/serial8250
--w------- 1 root root 4096 Dec 4 09:21 uevent
--w------- 1 root root 4096 Dec 4 09:21 unbind
root@OpenWrt:~# ls -l /sys/bus/platform/drivers/ar933x-uart/
lrwxrwxrwx 1 root root 0 Dec 4 09:20 ar933x-uart -> ../../../../devices/platform/ar933x-uart
--w------- 1 root root 4096 Nov 29 19:10 bind
--w------- 1 root root 4096 Dec 4 09:20 uevent
--w------- 1 root root 4096 Nov 29 19:10 unbind

ЭТО?