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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2007-09-02 00:25:09 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2007-10-15 21:53:35 +0400
commit97d97224ff361e08777fb33e0fd193ca877dac28 (patch)
tree73a95df8f411c292272ad4d14e153c4e7f32a488 /drivers/serial
parenta06748ab546fa95c497f10c290221f4a9f249f9b (diff)
downloadlinux-97d97224ff361e08777fb33e0fd193ca877dac28.tar.xz
[SERIAL] Fix console initialisation ordering
Ensure pm callback is called upon initialisation to place port in correct power saving state. Ensure console is initialised prior to deciding whether to power down the port. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'drivers/serial')
-rw-r--r--drivers/serial/serial_core.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index a055f58f342f..a3bd3a3f41f3 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2127,6 +2127,14 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state,
spin_unlock_irqrestore(&port->lock, flags);
/*
+ * If this driver supports console, and it hasn't been
+ * successfully registered yet, try to re-register it.
+ * It may be that the port was not available.
+ */
+ if (port->cons && !(port->cons->flags & CON_ENABLED))
+ register_console(port->cons);
+
+ /*
* Power down all ports by default, except the
* console if we have one.
*/
@@ -2286,6 +2294,7 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
}
state->port = port;
+ state->pm_state = -1;
port->cons = drv->cons;
port->info = state->info;
@@ -2308,15 +2317,6 @@ int uart_add_one_port(struct uart_driver *drv, struct uart_port *port)
tty_register_device(drv->tty_driver, port->line, port->dev);
/*
- * If this driver supports console, and it hasn't been
- * successfully registered yet, try to re-register it.
- * It may be that the port was not available.
- */
- if (port->type != PORT_UNKNOWN &&
- port->cons && !(port->cons->flags & CON_ENABLED))
- register_console(port->cons);
-
- /*
* Ensure UPF_DEAD is not set.
*/
port->flags &= ~UPF_DEAD;