diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-core.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 3983a6524ca..028904bd94a 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -31,6 +31,7 @@ #include <linux/sound.h> #include <linux/interrupt.h> #include <linux/delay.h> +#include <linux/mutex.h> #include "saa7134-reg.h" #include "saa7134.h" @@ -84,7 +85,7 @@ MODULE_PARM_DESC(radio_nr, "radio device number"); MODULE_PARM_DESC(tuner, "tuner type"); MODULE_PARM_DESC(card, "card type"); -static DECLARE_MUTEX(devlist_lock); +static DEFINE_MUTEX(devlist_lock); LIST_HEAD(saa7134_devlist); static LIST_HEAD(mops_list); static unsigned int saa7134_devcount; @@ -140,7 +141,7 @@ static int pending_call(struct notifier_block *self, unsigned long state, return NOTIFY_DONE; } -static int pending_registered=0; +static int pending_registered; static struct notifier_block pending_notifier = { .notifier_call = pending_call, }; @@ -969,13 +970,13 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev, pci_set_drvdata(pci_dev,dev); saa7134_devcount++; - down(&devlist_lock); + mutex_lock(&devlist_lock); list_for_each(item,&mops_list) { mops = list_entry(item, struct saa7134_mpeg_ops, next); mpeg_ops_attach(mops, dev); } list_add_tail(&dev->devlist,&saa7134_devlist); - up(&devlist_lock); + mutex_unlock(&devlist_lock); /* check for signal */ saa7134_irq_video_intl(dev); @@ -1031,13 +1032,13 @@ static void __devexit saa7134_finidev(struct pci_dev *pci_dev) saa7134_hwfini(dev); /* unregister */ - down(&devlist_lock); + mutex_lock(&devlist_lock); list_del(&dev->devlist); list_for_each(item,&mops_list) { mops = list_entry(item, struct saa7134_mpeg_ops, next); mpeg_ops_detach(mops, dev); } - up(&devlist_lock); + mutex_unlock(&devlist_lock); saa7134_devcount--; saa7134_i2c_unregister(dev); @@ -1071,13 +1072,13 @@ int saa7134_ts_register(struct saa7134_mpeg_ops *ops) struct list_head *item; struct saa7134_dev *dev; - down(&devlist_lock); + mutex_lock(&devlist_lock); list_for_each(item,&saa7134_devlist) { dev = list_entry(item, struct saa7134_dev, devlist); mpeg_ops_attach(ops, dev); } list_add_tail(&ops->next,&mops_list); - up(&devlist_lock); + mutex_unlock(&devlist_lock); return 0; } @@ -1086,13 +1087,13 @@ void saa7134_ts_unregister(struct saa7134_mpeg_ops *ops) struct list_head *item; struct saa7134_dev *dev; - down(&devlist_lock); + mutex_lock(&devlist_lock); list_del(&ops->next); list_for_each(item,&saa7134_devlist) { dev = list_entry(item, struct saa7134_dev, devlist); mpeg_ops_detach(ops, dev); } - up(&devlist_lock); + mutex_unlock(&devlist_lock); } EXPORT_SYMBOL(saa7134_ts_register); |