[PATCH 02/13] drm/debugfs: Create helper to create debugfs files from list

[Maíra Canal]

Create a helper to encapsulate the code that creates a new debugfs file
from a linked list related to an object. Moreover, the helper also provides
more flexibily on the type of the object.

Signed-off-by: Maíra Canal <mca...@igalia.com>
---
 drivers/gpu/drm/drm_debugfs.c | 22 ++++++++++++----------
 1 file changed, 12 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
index 255d2068ac16..23f6ed7b5d68 100644
--- a/drivers/gpu/drm/drm_debugfs.c
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -218,6 +218,16 @@ void drm_debugfs_create_files(const struct drm_info_list 
*files, int count,
 }
 EXPORT_SYMBOL(drm_debugfs_create_files);
 
+#define drm_create_file_from_list(component) do {                              
        \
+               list_for_each_entry_safe(entry, tmp, 
&(component)->debugfs_list,        \
+                                        list) {                                
        \
+                       debugfs_create_file(entry->file.name, 0444,             
        \
+                                           minor->debugfs_root, entry,         
        \
+                                           &drm_debugfs_entry_fops);           
        \
+                       list_del(&entry->list);                                 
        \
+               }                                                               
        \
+       } while (0)
+
 int drm_debugfs_init(struct drm_minor *minor, int minor_id,
                     struct dentry *root)
 {
@@ -245,11 +255,7 @@ int drm_debugfs_init(struct drm_minor *minor, int minor_id,
        if (dev->driver->debugfs_init)
                dev->driver->debugfs_init(minor);
 
-       list_for_each_entry_safe(entry, tmp, &dev->debugfs_list, list) {
-               debugfs_create_file(entry->file.name, 0444,
-                                   minor->debugfs_root, entry, 
&drm_debugfs_entry_fops);
-               list_del(&entry->list);
-       }
+       drm_create_file_from_list(dev);
 
        return 0;
 }
@@ -262,11 +268,7 @@ void drm_debugfs_late_register(struct drm_device *dev)
        if (!minor)
                return;
 
-       list_for_each_entry_safe(entry, tmp, &dev->debugfs_list, list) {
-               debugfs_create_file(entry->file.name, 0444,
-                                   minor->debugfs_root, entry, 
&drm_debugfs_entry_fops);
-               list_del(&entry->list);
-       }
+       drm_create_file_from_list(dev);
 }
 
 int drm_debugfs_remove_files(const struct drm_info_list *files, int count,
-- 
2.39.0