diff options
Diffstat (limited to 'drivers/media/video/cx88/cx88.h')
| -rw-r--r-- | drivers/media/video/cx88/cx88.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 9b3742a7746..a399a8b086b 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -389,8 +389,8 @@ struct cx88_core { struct mutex lock; /* various v4l controls */ u32 freq; - atomic_t users; - atomic_t mpeg_users; + int users; + int mpeg_users; /* cx88-video needs to access cx8802 for hybrid tuner pll access. */ struct cx8802_dev *dvbdev; @@ -505,6 +505,8 @@ struct cx8802_driver { int (*suspend)(struct pci_dev *pci_dev, pm_message_t state); int (*resume)(struct pci_dev *pci_dev); + /* Callers to the following functions must hold core->lock */ + /* MPEG 8802 -> mini driver - Driver probe and configuration */ int (*probe)(struct cx8802_driver *drv); int (*remove)(struct cx8802_driver *drv); @@ -561,8 +563,9 @@ struct cx8802_dev { /* for switching modulation types */ unsigned char ts_gen_cntrl; - /* List of attached drivers */ + /* List of attached drivers; must hold core->lock to access */ struct list_head drvlist; + struct work_struct request_module_wk; }; @@ -685,6 +688,8 @@ int cx88_audio_thread(void *data); int cx8802_register_driver(struct cx8802_driver *drv); int cx8802_unregister_driver(struct cx8802_driver *drv); + +/* Caller must hold core->lock */ struct cx8802_driver * cx8802_get_driver(struct cx8802_dev *dev, enum cx88_board_type btype); /* ----------------------------------------------------------- */ |