Commit 45c6c873 authored by Zheng Yongjun's avatar Zheng Yongjun Committed by Wolfram Sang
Browse files

i2c: busses: Use DEFINE_SPINLOCK() for spinlock 



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

Signed-off-by: default avatarZheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: default avatarWolfram Sang <wsa@kernel.org>
parent 9d64834b

drivers/i2c/busses/i2c-elektor.c

+1 −2
Original line number Diff line number Diff line
@@ -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 "