drm: Remove the minor master list

It doesn't appear to be used anywhere.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: David Herrmann <dh.herrmann@gmail.com>
(cherry picked from commit a12cd0025cdc0b4d43b79249dbd8c266af284032)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 57fffde..fb514d2 100644 (file)
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -152,8 +152,6 @@ struct drm_master *drm_master_create(struct drm_minor *minor)
        INIT_LIST_HEAD(&master->magicfree);
        master->minor = minor;
 
-       list_add_tail(&master->head, &minor->master_list);
-
        return master;
 }
 
@@ -171,8 +169,6 @@ static void drm_master_destroy(struct kref *kref)
        struct drm_device *dev = master->minor->dev;
        struct drm_map_list *r_list, *list_temp;
 
-       list_del(&master->head);
-
        if (dev->driver->master_destroy)
                dev->driver->master_destroy(dev, master);
 
@@ -285,7 +281,6 @@ static int drm_minor_alloc(struct drm_device *dev, unsigned int type)
 
        minor->type = type;
        minor->dev = dev;
-       INIT_LIST_HEAD(&minor->master_list);
 
        *drm_minor_get_slot(dev, type) = minor;
        return 0;

diff --git a/include/drm/drmP.h b/include/drm/drmP.h
index 967d51b..2543643 100644 (file)
--- a/include/drm/drmP.h
+++ b/include/drm/drmP.h
@@ -718,7 +718,6 @@ struct drm_master {
 
        struct kref refcount; /* refcount for this master */
 
-       struct list_head head; /**< each minor contains a list of masters */
        struct drm_minor *minor; /**< link back to minor we are a master for */
 
        char *unique;                   /**< Unique identifier: e.g., busid */
@@ -1050,7 +1049,6 @@ struct drm_minor {
        struct mutex debugfs_lock; /* Protects debugfs_list. */
 
        struct drm_master *master; /* currently active master for this node */
-       struct list_head master_list;
        struct drm_mode_group mode_group;
 };