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Subject[PATCH 05/21] drm/vc4: remove check of return value of drm_debugfs functions
Date
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.karugax@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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