mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-23 12:43:55 +08:00
6915c0e487
Added file /sys/devices/.../tty/ttySX/uartclk to allow reading uartclk value in struct uart_port in serial_core via sysfs. tty_register_device() has been generalized and refactored in order to add support for setting drvdata and attribute_group to the device. Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
29 lines
841 B
Plaintext
29 lines
841 B
Plaintext
What: /sys/class/tty/console/active
|
|
Date: Nov 2010
|
|
Contact: Kay Sievers <kay.sievers@vrfy.org>
|
|
Description:
|
|
Shows the list of currently configured
|
|
console devices, like 'tty1 ttyS0'.
|
|
The last entry in the file is the active
|
|
device connected to /dev/console.
|
|
The file supports poll() to detect virtual
|
|
console switches.
|
|
|
|
What: /sys/class/tty/tty0/active
|
|
Date: Nov 2010
|
|
Contact: Kay Sievers <kay.sievers@vrfy.org>
|
|
Description:
|
|
Shows the currently active virtual console
|
|
device, like 'tty1'.
|
|
The file supports poll() to detect virtual
|
|
console switches.
|
|
|
|
What: /sys/class/tty/ttyS0/uartclk
|
|
Date: Sep 2012
|
|
Contact: Tomas Hlavacek <tmshlvck@gmail.com>
|
|
Description:
|
|
Shows the current uartclk value associated with the
|
|
UART port in serial_core, that is bound to TTY like ttyS0.
|
|
uartclk = 16 * baud_base
|
|
|