tty: serial: linflexuart: Use DEFINE_SPINLOCK() for spinlock
spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Link: https://lore.kernel.org/r/20190827114614.102037-1-weiyongjun1@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/tty/serial/fsl_linflexuart.c b/drivers/tty/serial/fsl_linflexuart.c
index 26b9601..8aea782 100644
--- a/drivers/tty/serial/fsl_linflexuart.c
+++ b/drivers/tty/serial/fsl_linflexuart.c
@@ -136,7 +136,7 @@ MODULE_DEVICE_TABLE(of, linflex_dt_ids);
#ifdef CONFIG_SERIAL_FSL_LINFLEXUART_CONSOLE
static struct uart_port *earlycon_port;
static bool linflex_earlycon_same_instance;
-static spinlock_t init_lock;
+static DEFINE_SPINLOCK(init_lock);
static bool during_init;
static struct {
@@ -922,10 +922,6 @@ static int __init linflex_serial_init(void)
if (ret)
uart_unregister_driver(&linflex_reg);
-#ifdef CONFIG_SERIAL_FSL_LINFLEXUART_CONSOLE
- spin_lock_init(&init_lock);
-#endif
-
return ret;
}