pch_uart: add spin_lock_init
Currently, spin_lock is not initialized.
Thus, add spin_lock_init().
Signed-off-by: Tomoya MORINAGA <tomoya-linux@dsn.okisemi.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/tty/serial/pch_uart.c b/drivers/tty/serial/pch_uart.c
index c1386eb..9e1b865 100644
--- a/drivers/tty/serial/pch_uart.c
+++ b/drivers/tty/serial/pch_uart.c
@@ -1370,6 +1370,8 @@
priv->port.line = num++;
priv->trigger = PCH_UART_HAL_TRIGGER_M;
+ spin_lock_init(&priv->port.lock);
+
pci_set_drvdata(pdev, priv);
pch_uart_hal_request(pdev, fifosize, base_baud);