diff options
Diffstat (limited to 'drivers/gpu/drm/udl/udl_drv.h')
| -rw-r--r-- | drivers/gpu/drm/udl/udl_drv.h | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/drivers/gpu/drm/udl/udl_drv.h b/drivers/gpu/drm/udl/udl_drv.h index cc16a13316e4..28aaf75d71cf 100644 --- a/drivers/gpu/drm/udl/udl_drv.h +++ b/drivers/gpu/drm/udl/udl_drv.h @@ -34,14 +34,14 @@ struct udl_device; struct urb_node { struct list_head entry; struct udl_device *dev; - struct delayed_work release_urb_work; struct urb *urb; }; struct urb_list { struct list_head list; + struct list_head in_flight; spinlock_t lock; - struct semaphore limit_sem; + wait_queue_head_t sleep; int available; int count; size_t size; @@ -75,9 +75,17 @@ static inline struct usb_device *udl_to_usb_device(struct udl_device *udl) int udl_modeset_init(struct drm_device *dev); struct drm_connector *udl_connector_init(struct drm_device *dev); -struct urb *udl_get_urb(struct drm_device *dev); +struct urb *udl_get_urb_timeout(struct drm_device *dev, long timeout); + +#define GET_URB_TIMEOUT HZ +static inline struct urb *udl_get_urb(struct drm_device *dev) +{ + return udl_get_urb_timeout(dev, GET_URB_TIMEOUT); +} int udl_submit_urb(struct drm_device *dev, struct urb *urb, size_t len); +int udl_sync_pending_urbs(struct drm_device *dev); +void udl_kill_pending_urbs(struct drm_device *dev); void udl_urb_completion(struct urb *urb); int udl_init(struct udl_device *udl); |