drm: kill dev->buf_readers and dev->buf_writers

Again totally unused, so just remove them.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Dave Airlie <airlied@gmail.com>

diff --git a/drivers/gpu/drm/drm_fops.c b/drivers/gpu/drm/drm_fops.c
index a3714a0..57e3014 100644 (file)
--- a/drivers/gpu/drm/drm_fops.c
+++ b/drivers/gpu/drm/drm_fops.c
@@ -81,8 +81,6 @@ static int drm_setup(struct drm_device * dev)
        dev->if_version = 0;
 
        dev->buf_async = NULL;
-       init_waitqueue_head(&dev->buf_readers);
-       init_waitqueue_head(&dev->buf_writers);
 
        DRM_DEBUG("\n");
 

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 0403695..6cde924 100644 (file)
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -1172,8 +1172,6 @@ struct drm_device {
        /*@} */
 
        struct fasync_struct *buf_async;/**< Processes waiting for SIGIO */
-       wait_queue_head_t buf_readers;  /**< Processes waiting to read */
-       wait_queue_head_t buf_writers;  /**< Processes waiting to ctx switch */
 
        struct drm_agp_head *agp;       /**< AGP data */