The key function of uart_add_one_port() is to cross-reference the
UART driver's port structure with the serial core's state table;
keep the assignments together and document this crucial association.

Signed-off-by: Peter Hurley <[email protected]>
---
 drivers/tty/serial/serial_core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c
index 676c03a..e04ae58 100644
--- a/drivers/tty/serial/serial_core.c
+++ b/drivers/tty/serial/serial_core.c
@@ -2594,11 +2594,12 @@ int uart_add_one_port(struct uart_driver *drv, struct 
uart_port *uport)
                goto out;
        }
 
+       /* Link the port to the driver state table and vice versa */
        state->uart_port = uport;
-       state->pm_state = UART_PM_STATE_UNDEFINED;
+       uport->state = state;
 
+       state->pm_state = UART_PM_STATE_UNDEFINED;
        uport->cons = drv->cons;
-       uport->state = state;
 
        /*
         * If this port is a console, then the spinlock is already
-- 
2.1.1

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