staging: most: Use DEFINE_SPINLOCK() instead of struct spinlock

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
Link: https://lore.kernel.org/r/alpine.DEB.2.21.1907261319100.1791@nanos.tec.linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/most/net/net.c b/drivers/staging/most/net/net.c
index aababdf..26a3185 100644 (file)
--- 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)

diff --git a/drivers/staging/most/video/video.c b/drivers/staging/most/video/video.c
index 6f6e98a..250af9f 100644 (file)
--- 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;