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tty: serial: icom: Use DEFINE_SPINLOCK() for spinlock

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spinlock can be initialized automatically with DEFINE_SPINLOCK()
rather than explicitly calling spin_lock_init().

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Link: https://lore.kernel.org/r/20201223141438.889-1-zhengyongjun3@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zheng Yongjun 2020-12-23 22:14:38 +08:00 committed by Greg Kroah-Hartman
parent a60526097f
commit 01493ccb44
1 changed files with 1 additions and 3 deletions
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4
drivers/tty/serial/icom.c
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@ -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;