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i2c: busses: 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>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
This commit is contained in:
Zheng Yongjun 2020-12-28 21:51:20 +08:00 committed by Wolfram Sang
parent 9d64834b2a
commit 45c6c873c0
1 changed files with 1 additions and 2 deletions
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3
drivers/i2c/busses/i2c-elektor.c
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@ -49,7 +49,7 @@ static int mmapped;
static wait_queue_head_t pcf_wait;
static int pcf_pending;
static spinlock_t lock;
static DEFINE_SPINLOCK(lock);
static struct i2c_adapter pcf_isa_ops;
@ -132,7 +132,6 @@ static irqreturn_t pcf_isa_handler(int this_irq, void *dev_id) {
static int pcf_isa_init(void)
{
spin_lock_init(&lock);
if (!mmapped) {
if (!request_region(base, 2, pcf_isa_ops.name)) {
printk(KERN_ERR "%s: requested I/O region (%#x:2) is "