[PATCH] devfs: Rename TTY_DRIVER_NO_DEVFS to TTY_DRIVER_DYNAMIC_DEV

[linux-2.6] / drivers / serial / serial_core.c

diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index aeb8153ccf2466eae358d0610af4a61300ce4c8d..7dc1e67b6851b2e0ade005e73be8aea60a7df782 100644 (file)
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -1907,9 +1907,12 @@ uart_set_options(struct uart_port *port, struct console *co,
 static void uart_change_pm(struct uart_state *state, int pm_state)
 {
        struct uart_port *port = state->port;
-       if (port->ops->pm)
-               port->ops->pm(port, pm_state, state->pm_state);
-       state->pm_state = pm_state;
+
+       if (state->pm_state != pm_state) {
+               if (port->ops->pm)
+                       port->ops->pm(port, pm_state, state->pm_state);
+               state->pm_state = pm_state;
+       }
 }
 
 int uart_suspend_port(struct uart_driver *drv, struct uart_port *port)
@@ -2150,7 +2153,6 @@ int uart_register_driver(struct uart_driver *drv)
 
        normal->owner           = drv->owner;
        normal->driver_name     = drv->driver_name;
-       normal->devfs_name      = drv->devfs_name;
        normal->name            = drv->dev_name;
        normal->major           = drv->major;
        normal->minor_start     = drv->minor;
@@ -2158,7 +2160,7 @@ int uart_register_driver(struct uart_driver *drv)
        normal->subtype         = SERIAL_TYPE_NORMAL;
        normal->init_termios    = tty_std_termios;
        normal->init_termios.c_cflag = B9600 | CS8 | CREAD | HUPCL | CLOCAL;
-       normal->flags           = TTY_DRIVER_REAL_RAW | TTY_DRIVER_NO_DEVFS;
+       normal->flags           = TTY_DRIVER_REAL_RAW | TTY_DRIVER_DYNAMIC_DEV;
        normal->driver_state    = drv;
        tty_set_operations(normal, &uart_ops);
 
@@ -2309,7 +2311,7 @@ int uart_remove_one_port(struct uart_driver *drv, struct uart_port *port)
        mutex_unlock(&state->mutex);
 
        /*
-        * Remove the devices from devfs
+        * Remove the devices from the tty layer
         */
        tty_unregister_device(drv->tty_driver, port->line);