[media] cec: rename cec_devnode fhs_lock to just lock

This lock will be used to protect more than just the fhs list.
So rename it to just 'lock'.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

diff --git a/drivers/staging/media/cec/cec-adap.c b/drivers/staging/media/cec/cec-adap.c
index b2393bb..9dcb784 100644 (file)
--- a/drivers/staging/media/cec/cec-adap.c
+++ b/drivers/staging/media/cec/cec-adap.c
@@ -124,10 +124,10 @@ static void cec_queue_event(struct cec_adapter *adap,
        u64 ts = ktime_get_ns();
        struct cec_fh *fh;
 
-       mutex_lock(&adap->devnode.fhs_lock);
+       mutex_lock(&adap->devnode.lock);
        list_for_each_entry(fh, &adap->devnode.fhs, list)
                cec_queue_event_fh(fh, ev, ts);
-       mutex_unlock(&adap->devnode.fhs_lock);
+       mutex_unlock(&adap->devnode.lock);
 }
 
 /*
@@ -191,12 +191,12 @@ static void cec_queue_msg_monitor(struct cec_adapter *adap,
        u32 monitor_mode = valid_la ? CEC_MODE_MONITOR :
                                      CEC_MODE_MONITOR_ALL;
 
-       mutex_lock(&adap->devnode.fhs_lock);
+       mutex_lock(&adap->devnode.lock);
        list_for_each_entry(fh, &adap->devnode.fhs, list) {
                if (fh->mode_follower >= monitor_mode)
                        cec_queue_msg_fh(fh, msg);
        }
-       mutex_unlock(&adap->devnode.fhs_lock);
+       mutex_unlock(&adap->devnode.lock);
 }
 
 /*
@@ -207,12 +207,12 @@ static void cec_queue_msg_followers(struct cec_adapter *adap,
 {
        struct cec_fh *fh;
 
-       mutex_lock(&adap->devnode.fhs_lock);
+       mutex_lock(&adap->devnode.lock);
        list_for_each_entry(fh, &adap->devnode.fhs, list) {
                if (fh->mode_follower == CEC_MODE_FOLLOWER)
                        cec_queue_msg_fh(fh, msg);
        }
-       mutex_unlock(&adap->devnode.fhs_lock);
+       mutex_unlock(&adap->devnode.lock);
 }
 
 /* Notify userspace of an adapter state change. */

diff --git a/drivers/staging/media/cec/cec-api.c b/drivers/staging/media/cec/cec-api.c
index 7be7615..4e2696a 100644 (file)
--- a/drivers/staging/media/cec/cec-api.c
+++ b/drivers/staging/media/cec/cec-api.c
@@ -508,14 +508,14 @@ static int cec_open(struct inode *inode, struct file *filp)
 
        filp->private_data = fh;
 
-       mutex_lock(&devnode->fhs_lock);
+       mutex_lock(&devnode->lock);
        /* Queue up initial state events */
        ev_state.state_change.phys_addr = adap->phys_addr;
        ev_state.state_change.log_addr_mask = adap->log_addrs.log_addr_mask;
        cec_queue_event_fh(fh, &ev_state, 0);
 
        list_add(&fh->list, &devnode->fhs);
-       mutex_unlock(&devnode->fhs_lock);
+       mutex_unlock(&devnode->lock);
 
        return 0;
 }
@@ -540,9 +540,9 @@ static int cec_release(struct inode *inode, struct file *filp)
                cec_monitor_all_cnt_dec(adap);
        mutex_unlock(&adap->lock);
 
-       mutex_lock(&devnode->fhs_lock);
+       mutex_lock(&devnode->lock);
        list_del(&fh->list);
-       mutex_unlock(&devnode->fhs_lock);
+       mutex_unlock(&devnode->lock);
 
        /* Unhook pending transmits from this filehandle. */
        mutex_lock(&adap->lock);

diff --git a/drivers/staging/media/cec/cec-core.c b/drivers/staging/media/cec/cec-core.c
index 112a5fa..73792d0 100644 (file)
--- a/drivers/staging/media/cec/cec-core.c
+++ b/drivers/staging/media/cec/cec-core.c
@@ -117,7 +117,7 @@ static int __must_check cec_devnode_register(struct cec_devnode *devnode,
 
        /* Initialization */
        INIT_LIST_HEAD(&devnode->fhs);
-       mutex_init(&devnode->fhs_lock);
+       mutex_init(&devnode->lock);
 
        /* Part 1: Find a free minor number */
        mutex_lock(&cec_devnode_lock);
@@ -181,10 +181,10 @@ static void cec_devnode_unregister(struct cec_devnode *devnode)
        if (!devnode->registered || devnode->unregistered)
                return;
 
-       mutex_lock(&devnode->fhs_lock);
+       mutex_lock(&devnode->lock);
        list_for_each_entry(fh, &devnode->fhs, list)
                wake_up_interruptible(&fh->wait);
-       mutex_unlock(&devnode->fhs_lock);
+       mutex_unlock(&devnode->lock);
 
        devnode->registered = false;
        devnode->unregistered = true;

diff --git a/include/media/cec.h b/include/media/cec.h
index dc7854b..fdb5d60 100644 (file)
--- a/include/media/cec.h
+++ b/include/media/cec.h
@@ -57,8 +57,8 @@ struct cec_devnode {
        int minor;
        bool registered;
        bool unregistered;
-       struct mutex fhs_lock;
        struct list_head fhs;
+       struct mutex lock;
 };
 
 struct cec_adapter;