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TTY: serial, define uart_port_activate/shutdown

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This is a preparation for the next patches which will move the stuff
from uart_open and uart_close/hangup here. Then we will use
tty_port_* helpers.

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 21:33:50 +01:00 committed by Greg Kroah-Hartman
parent 1c7b13c488
commit 0b1db83081
1 changed files with 11 additions and 0 deletions
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11
drivers/tty/serial/serial_core.c
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@ -1404,6 +1404,15 @@ static void uart_hangup(struct tty_struct *tty)
mutex_unlock(&port->mutex);
}
static int uart_port_activate(struct tty_port *port, struct tty_struct *tty)
{
return 0;
}
static void uart_port_shutdown(struct tty_port *port)
{
}
static int uart_carrier_raised(struct tty_port *port)
{
struct uart_state *state = container_of(port, struct uart_state, port);
@ -2162,6 +2171,8 @@ static const struct tty_operations uart_ops = {
};
static const struct tty_port_operations uart_port_ops = {
.activate = uart_port_activate,
.shutdown = uart_port_shutdown,
.carrier_raised = uart_carrier_raised,
.dtr_rts = uart_dtr_rts,
};