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| author | Zheng Yongjun <zhengyongjun3@huawei.com> | 2020-12-28 21:51:20 +0800 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2021-01-05 17:43:43 +0100 |
| commit | 45c6c873c0ec3fab35aca3ef81b36cd3b1599d98 (patch) | |
| tree | 0c66a7333e50d94995a37047b05af8cd0c6ccacb | |
| parent | 9d64834b2a68b1c969f8c8d845471c0e91191549 (diff) | |
| download | linux-45c6c873c0ec3fab35aca3ef81b36cd3b1599d98.tar.bz2 | |
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 <zhengyongjun3@huawei.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
| -rw-r--r-- | drivers/i2c/busses/i2c-elektor.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 140426db28df..671f9ac8387e 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 " |