diff options
Diffstat (limited to 'linux/drm_fops.h')
| -rw-r--r-- | linux/drm_fops.h | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/linux/drm_fops.h b/linux/drm_fops.h index 9c2135fe..3d4bffa5 100644 --- a/linux/drm_fops.h +++ b/linux/drm_fops.h @@ -38,7 +38,7 @@ int DRM(open_helper)(struct inode *inode, struct file *filp, drm_device_t *dev) { - kdev_t minor = MINOR(inode->i_rdev); + int minor = minor(inode->i_rdev); drm_file_t *priv; if (filp->f_flags & O_EXCL) return -EBUSY; /* No exclusive opens */ @@ -125,31 +125,21 @@ ssize_t DRM(read)(struct file *filp, char *buf, size_t count, loff_t *off) int avail; int send; int cur; - DECLARE_WAITQUEUE(wait, current); DRM_DEBUG("%p, %p\n", dev->buf_rp, dev->buf_wp); - add_wait_queue(&dev->buf_readers, &wait); - set_current_state(TASK_INTERRUPTIBLE); while (dev->buf_rp == dev->buf_wp) { DRM_DEBUG(" sleeping\n"); if (filp->f_flags & O_NONBLOCK) { - remove_wait_queue(&dev->buf_readers, &wait); - set_current_state(TASK_RUNNING); return -EAGAIN; } - schedule(); /* wait for dev->buf_readers */ + interruptible_sleep_on(&dev->buf_readers); if (signal_pending(current)) { DRM_DEBUG(" interrupted\n"); - remove_wait_queue(&dev->buf_readers, &wait); - set_current_state(TASK_RUNNING); return -ERESTARTSYS; } DRM_DEBUG(" awake\n"); - set_current_state(TASK_INTERRUPTIBLE); } - remove_wait_queue(&dev->buf_readers, &wait); - set_current_state(TASK_RUNNING); left = (dev->buf_rp + DRM_BSZ - dev->buf_wp) % DRM_BSZ; avail = DRM_BSZ - left; |