leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

[media] cec: rename cec_devnode fhs_lock to just lock

Browse Source 
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>
This commit is contained in:
Hans Verkuil 2016-08-02 08:11:00 -03:00 committed by Mauro Carvalho Chehab
parent fa8410b355
commit 62148f0930
4 changed files with 14 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/staging/media/cec/cec-adap.c
View File

@ -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. */

8
drivers/staging/media/cec/cec-api.c
View File

@ -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);

6
drivers/staging/media/cec/cec-core.c
View File

@ -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;

2
include/media/cec.h
View File

@ -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;