FM / ttyS2

/sys/devices/platform/serial8250/tty/ttyS2/

/sys/devices/platform/serial8250/tty/ttyS2

Name	Size	Mode	Actions
device/	-	0755	rm
power/	-	0755	rm
subsystem/	-	0755	rm
close_delay	4096	0440	edit dl rm
closing_wait	4096	0440	edit dl rm
custom_divisor	4096	0440	edit dl rm
dev	4096	0444	edit dl rm
flags	4096	0440	edit dl rm
iomem_base	4096	0440	edit dl rm
iomem_reg_shift	4096	0440	edit dl rm
io_type	4096	0440	edit dl rm
irq	4096	0440	edit dl rm
line	4096	0440	edit dl rm
port	4096	0440	edit dl rm
type	4096	0440	edit dl rm
uartclk	4096	0440	edit dl rm
uevent	4096	0644	edit dl rm
xmit_fifo_size	4096	0440	edit dl rm

Delete power ?

cmd: