* [PATCH -next] tty: serial: Use DEFINE_SPINLOCK() for spinlock
@ 2020-12-23 14:14 Zheng Yongjun
0 siblings, 0 replies; only message in thread
From: Zheng Yongjun @ 2020-12-23 14:14 UTC (permalink / raw)
To: gregkh, linux-serial, linux-kernel; +Cc: Zheng Yongjun
spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().
Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
---
drivers/tty/serial/icom.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/tty/serial/icom.c b/drivers/tty/serial/icom.c
index 94c8281ddb5f..9a872750581c 100644
--- a/drivers/tty/serial/icom.c
+++ b/drivers/tty/serial/icom.c
@@ -118,7 +118,7 @@ MODULE_DEVICE_TABLE(pci, icom_pci_table);
static LIST_HEAD(icom_adapter_head);
/* spinlock for adapter initialization and changing adapter operations */
-static spinlock_t icom_lock;
+static DEFINE_SPINLOCK(icom_lock);
#ifdef ICOM_TRACE
static inline void trace(struct icom_port *icom_port, char *trace_pt,
@@ -1616,8 +1616,6 @@ static int __init icom_init(void)
{
int ret;
- spin_lock_init(&icom_lock);
-
ret = uart_register_driver(&icom_uart_driver);
if (ret)
return ret;
--
2.22.0
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