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drivers: most: use DEFINE_SPINLOCK() for spinlock 

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

Signed-off-by: Shixin Liu <liushixin2@huawei.com>
Link: https://lore.kernel.org/r/20210329094015.66942-1-liushixin2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Shixin Liu 2021-03-29 17:40:14 +08:00 committed by Greg Kroah-Hartman
parent c23146e15e
commit 2c4134e782
1 changed files with 1 additions and 2 deletions
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3
drivers/most/most_cdev.c
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@ -45,7 +45,7 @@ struct comp_channel {
#define to_channel(d) container_of(d, struct comp_channel, cdev) #define to_channel(d) container_of(d, struct comp_channel, cdev)
static struct list_head channel_list; static struct list_head channel_list;
static spinlock_t ch_list_lock; static DEFINE_SPINLOCK(ch_list_lock);
static inline bool ch_has_mbo(struct comp_channel *c) static inline bool ch_has_mbo(struct comp_channel *c)
{ {
@ -495,7 +495,6 @@ static int __init mod_init(void)
return PTR_ERR(comp.class); return PTR_ERR(comp.class);
INIT_LIST_HEAD(&channel_list); INIT_LIST_HEAD(&channel_list);
spin_lock_init(&ch_list_lock);
ida_init(&comp.minor_id); ida_init(&comp.minor_id);
err = alloc_chrdev_region(&comp.devno, 0, CHRDEV_REGION_SIZE, "cdev"); err = alloc_chrdev_region(&comp.devno, 0, CHRDEV_REGION_SIZE, "cdev");