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TTY: serial, document few functions

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

Signed-off-by: Jiri Slaby <jslaby@suse.cz>
Cc: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Jiri Slaby 2011-11-09 21:33:47 +01:00 committed by Greg Kroah-Hartman
parent d30ccf08e8
commit cf75525f37
1 changed files with 20 additions and 0 deletions
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20
drivers/tty/serial/serial_core.c
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@ -1822,6 +1822,14 @@ uart_set_options(struct uart_port *port, struct console *co,
EXPORT_SYMBOL_GPL(uart_set_options); EXPORT_SYMBOL_GPL(uart_set_options);
#endif /* CONFIG_SERIAL_CORE_CONSOLE */ #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) static void uart_change_pm(struct uart_state *state, int pm_state)
{ {
struct uart_port *port = state->uart_port; 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); 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, void uart_insert_char(struct uart_port *port, unsigned int status,
unsigned int overrun, unsigned int ch, unsigned int flag) unsigned int overrun, unsigned int ch, unsigned int flag)
{ {