--- zzzz-none-000/linux-3.10.107/drivers/w1/w1_family.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/w1/w1_family.c	2021-02-04 17:41:59.000000000 +0000
@@ -31,6 +31,10 @@
 DEFINE_SPINLOCK(w1_flock);
 static LIST_HEAD(w1_families);
 
+/**
+ * w1_register_family() - register a device family driver
+ * @newf:	family to register
+ */
 int w1_register_family(struct w1_family *newf)
 {
 	struct list_head *ent, *n;
@@ -59,6 +63,10 @@
 	return ret;
 }
 
+/**
+ * w1_unregister_family() - unregister a device family driver
+ * @fent:	family to unregister
+ */
 void w1_unregister_family(struct w1_family *fent)
 {
 	struct list_head *ent, *n;
@@ -79,7 +87,7 @@
 	w1_reconnect_slaves(fent, 0);
 
 	while (atomic_read(&fent->refcnt)) {
-		printk(KERN_INFO "Waiting for family %u to become free: refcnt=%d.\n",
+		pr_info("Waiting for family %u to become free: refcnt=%d.\n",
 				fent->fid, atomic_read(&fent->refcnt));
 
 		if (msleep_interruptible(1000))
@@ -131,9 +139,9 @@
 
 void __w1_family_get(struct w1_family *f)
 {
-	smp_mb__before_atomic_inc();
+	smp_mb__before_atomic();
 	atomic_inc(&f->refcnt);
-	smp_mb__after_atomic_inc();
+	smp_mb__after_atomic();
 }
 
 EXPORT_SYMBOL(w1_unregister_family);