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Commit cf75525f authored by Jiri Slaby's avatar Jiri Slaby Committed by Greg Kroah-Hartman
Browse files

TTY: serial, document few functions 



Just put a kernel-doc comment to uart_change_pm and uart_insert_char.

Signed-off-by: default avatarJiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent d30ccf08

drivers/tty/serial/serial_core.c

+20 −0
Original line number Diff line number Diff line
@@ -1822,6 +1822,14 @@ uart_set_options(struct uart_port *port, struct console *co, 
EXPORT_SYMBOL_GPL(uart_set_options);

#endif /* CONFIG_SERIAL_CORE_CONSOLE */



/**

 * uart_change_pm - set power state of the port

 *

 * @state: port descriptor

 * @pm_state: new state

 *

 * Locking: port->mutex has to be held

 */

static void uart_change_pm(struct uart_state *state, int pm_state)

{

	struct uart_port *port = state->uart_port;
@@ -2495,6 +2503,18 @@ void uart_handle_cts_change(struct uart_port *uport, unsigned int status) 
}

EXPORT_SYMBOL_GPL(uart_handle_cts_change);



/**

 * uart_insert_char - push a char to the uart layer

 *

 * User is responsible to call tty_flip_buffer_push when they are done with

 * insertion.

 *

 * @port: corresponding port

 * @status: state of the serial port RX buffer (LSR for 8250)

 * @overrun: mask of overrun bits in @status

 * @ch: character to push

 * @flag: flag for the character (see TTY_NORMAL and friends)

 */

void uart_insert_char(struct uart_port *port, unsigned int status,

		 unsigned int overrun, unsigned int ch, unsigned int flag)

{