drm_read
.read = drm_read,
.d_read = drm_read,
EXPORT_SYMBOL(drm_read);
.read = drm_read,
d_read_t drm_read;
ssize_t drm_read(struct file *filp, char __user *buffer,
.read = drm_read,\
.read = drm_read,\
.read = drm_read,