[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>
diff --git a/drivers/serial/serial_core.c b/drivers/serial/serial_core.c
index a055f58..a3bd3a3 100644
--- a/drivers/serial/serial_core.c
+++ b/drivers/serial/serial_core.c
@@ -2127,6 +2127,14 @@
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 @@
}
state->port = port;
+ state->pm_state = -1;
port->cons = drv->cons;
port->info = state->info;
@@ -2308,15 +2317,6 @@
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;