Index of /sys/class/tty/tty3/subsystem/ttyS21/

../
device/                                            12-Apr-2025 12:02                   -
power/                                             10-Oct-2025 13:16                   -
subsystem/                                         12-Apr-2025 12:02                   -
close_delay                                        10-Oct-2025 13:18                4096
closing_wait                                       10-Oct-2025 13:18                4096
console                                            10-Oct-2025 13:18                4096
custom_divisor                                     10-Oct-2025 13:30                4096
dev                                                10-Oct-2025 13:17                4096
flags                                              10-Oct-2025 13:13                4096
io_type                                            10-Oct-2025 13:13                4096
iomem_base                                         10-Oct-2025 13:13                4096
iomem_reg_shift                                    10-Oct-2025 13:13                4096
irq                                                10-Oct-2025 13:18                4096
line                                               10-Oct-2025 13:17                4096
port                                               10-Oct-2025 13:13                4096
type                                               10-Oct-2025 13:18                4096
uartclk                                            10-Oct-2025 13:29                4096
uevent                                             10-Oct-2025 13:13                4096
xmit_fifo_size                                     09-Oct-2025 16:46                4096