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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>
This commit is contained in:
Wei Yongjun 2019-08-27 11:46:14 +00:00 committed by Greg Kroah-Hartman
parent 8428413b1d
commit 06e9b2fe7f
1 changed files with 1 additions and 5 deletions
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6
drivers/tty/serial/fsl_linflexuart.c
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@ -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;
}