Since 987d65d01356 (drm: debugfs: make
drm_debugfs_create_files() never fail), drm_debugfs_create_files() never
fails and should return void. Therefore, remove unnecessary check and
error handling for the return value of drm_debugfs_create_files()
in vc4_debugfs_init().

This change also allows vc4_debugfs_init() to be declared as void.

Signed-off-by: Wambui Karuga <wambui.karu...@gmail.com>
---
 drivers/gpu/drm/vc4/vc4_debugfs.c | 11 +++--------
 drivers/gpu/drm/vc4/vc4_drv.h     |  2 +-
 2 files changed, 4 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/vc4/vc4_debugfs.c 
b/drivers/gpu/drm/vc4/vc4_debugfs.c
index b61b2d3407b5..4fbbf980a299 100644
--- a/drivers/gpu/drm/vc4/vc4_debugfs.c
+++ b/drivers/gpu/drm/vc4/vc4_debugfs.c
@@ -20,7 +20,7 @@ struct vc4_debugfs_info_entry {
  * Called at drm_dev_register() time on each of the minors registered
  * by the DRM device, to attach the debugfs files.
  */
-int
+void
 vc4_debugfs_init(struct drm_minor *minor)
 {
        struct vc4_dev *vc4 = to_vc4_dev(minor->dev);
@@ -30,14 +30,9 @@ vc4_debugfs_init(struct drm_minor *minor)
                            minor->debugfs_root, &vc4->load_tracker_enabled);
 
        list_for_each_entry(entry, &vc4->debugfs_list, link) {
-               int ret = drm_debugfs_create_files(&entry->info, 1,
-                                                  minor->debugfs_root, minor);
-
-               if (ret)
-                       return ret;
+               drm_debugfs_create_files(&entry->info, 1,
+                                        minor->debugfs_root, minor);
        }
-
-       return 0;
 }
 
 static int vc4_debugfs_regset32(struct seq_file *m, void *unused)
diff --git a/drivers/gpu/drm/vc4/vc4_drv.h b/drivers/gpu/drm/vc4/vc4_drv.h
index f90c0d08e740..cd0f9ef41fa2 100644
--- a/drivers/gpu/drm/vc4/vc4_drv.h
+++ b/drivers/gpu/drm/vc4/vc4_drv.h
@@ -750,7 +750,7 @@ void vc4_crtc_get_margins(struct drm_crtc_state *state,
                          unsigned int *top, unsigned int *bottom);
 
 /* vc4_debugfs.c */
-int vc4_debugfs_init(struct drm_minor *minor);
+void vc4_debugfs_init(struct drm_minor *minor);
 #ifdef CONFIG_DEBUG_FS
 void vc4_debugfs_add_file(struct drm_device *drm,
                          const char *filename,
-- 
2.25.0

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