drm/xe: make GT sysfs init return void

Currently return from xe_gt_sysfs_init() is ignored
and also a failure in xe_gt_sysfs_init() isn't fatal
so make it return void.

V2 :
   - add drm_warn in error paths - Himal
   - Edit commit message - Nirmoy

Acked-by: Ashutosh Dixit <ashutosh.dixit@intel.com>
Reviewed-by: Himal Prasad Ghimiray <himal.prasad.ghimiray@intel.com>
Reviewed-by: Nirmoy Das <nirmoy.das@intel.com>
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>

drivers/gpu/drm/xe/xe_gt_sysfs.c

@@ -29,30 +29,35 @@ static void gt_sysfs_fini(struct drm_device *drm, void *arg)
 	kobject_put(gt->sysfs);
 }
 
-int xe_gt_sysfs_init(struct xe_gt *gt)
+void xe_gt_sysfs_init(struct xe_gt *gt)
 {
 	struct xe_tile *tile = gt_to_tile(gt);
+	struct xe_device *xe = gt_to_xe(gt);
 	struct kobj_gt *kg;
 	int err;
 
 	kg = kzalloc(sizeof(*kg), GFP_KERNEL);
-	if (!kg)
-		return -ENOMEM;
+	if (!kg) {
+		drm_warn(&xe->drm, "Allocating kobject failed.\n");
+		return;
+	}
 
 	kobject_init(&kg->base, &xe_gt_sysfs_kobj_type);
 	kg->gt = gt;
 
 	err = kobject_add(&kg->base, tile->sysfs, "gt%d", gt->info.id);
 	if (err) {
+		drm_warn(&xe->drm, "failed to add GT sysfs directory, err: %d\n", err);
 		kobject_put(&kg->base);
-		return err;
+		return;
 	}
 
 	gt->sysfs = &kg->base;
 
-	err = drmm_add_action_or_reset(&gt_to_xe(gt)->drm, gt_sysfs_fini, gt);
-	if (err)
-		return err;
-
-	return 0;
+	err = drmm_add_action_or_reset(&xe->drm, gt_sysfs_fini, gt);
+	if (err) {
+		drm_warn(&xe->drm, "%s: drmm_add_action_or_reset failed, err: %d\n",
+			 __func__, err);
+		return;
+	}
 }

drivers/gpu/drm/xe/xe_gt_sysfs.h

@@ -8,7 +8,7 @@
 
 #include "xe_gt_sysfs_types.h"
 
-int xe_gt_sysfs_init(struct xe_gt *gt);
+void xe_gt_sysfs_init(struct xe_gt *gt);
 
 static inline struct xe_gt *
 kobj_to_gt(struct kobject *kobj)