From 45c6c873c0ec3fab35aca3ef81b36cd3b1599d98 Mon Sep 17 00:00:00 2001 From: Zheng Yongjun Date: Mon, 28 Dec 2020 21:51:20 +0800 Subject: [PATCH] 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: Zheng Yongjun Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-elektor.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 140426db28df19..671f9ac8387e8d 100644 --- a/drivers/i2c/busses/i2c-elektor.c +++ b/drivers/i2c/busses/i2c-elektor.c @@ -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 "