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Subject[PATCH v2] staging: most: Use DEFINE_SPINLOCK() instead of struct spinlock
From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

For spinlocks the type spinlock_t should be used instead of "struct
spinlock".

Use DEFINE_SPINLOCK() and spare the run time initialization

Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lkml.kernel.org/r/20190704153803.12739-5-bigeasy@linutronix.de
---
V2: Rebase on 5.3-rc1. Massaged change log
---
drivers/staging/most/net/net.c | 3 +--
drivers/staging/most/video/video.c | 3 +--
2 files changed, 2 insertions(+), 4 deletions(-)

--- a/drivers/staging/most/net/net.c
+++ b/drivers/staging/most/net/net.c
@@ -69,7 +69,7 @@ struct net_dev_context {

static struct list_head net_devices = LIST_HEAD_INIT(net_devices);
static struct mutex probe_disc_mt; /* ch->linked = true, most_nd_open */
-static struct spinlock list_lock; /* list_head, ch->linked = false, dev_hold */
+static DEFINE_SPINLOCK(list_lock); /* list_head, ch->linked = false, dev_hold */
static struct core_component comp;

static int skb_to_mamac(const struct sk_buff *skb, struct mbo *mbo)
@@ -509,7 +509,6 @@ static int __init most_net_init(void)
{
int err;

- spin_lock_init(&list_lock);
mutex_init(&probe_disc_mt);
err = most_register_component(&comp);
if (err)
--- a/drivers/staging/most/video/video.c
+++ b/drivers/staging/most/video/video.c
@@ -54,7 +54,7 @@ struct comp_fh {
};

static struct list_head video_devices = LIST_HEAD_INIT(video_devices);
-static struct spinlock list_lock;
+static DEFINE_SPINLOCK(list_lock);

static inline bool data_ready(struct most_video_dev *mdev)
{
@@ -538,7 +538,6 @@ static int __init comp_init(void)
{
int err;

- spin_lock_init(&list_lock);
err = most_register_component(&comp);
if (err)
return err;
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