2 files changed, 24 insertions, 5 deletions

diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h
index 2995c6cb869f..d01f0424cee9 100644
--- a/drivers/w1/w1_family.h
+++ b/drivers/w1/w1_family.h
@@ -27,7 +27,8 @@
 #include <asm/atomic.h>
 
 #define W1_FAMILY_DEFAULT       0
-#define W1_FAMILY_SMEM          0x01
+#define W1_FAMILY_SMEM_01       0x01
+#define W1_FAMILY_SMEM_81       0x81
 #define W1_THERM_DS18S20        0x10
 #define W1_THERM_DS1822         0x22
 #define W1_THERM_DS18B20        0x28
diff --git a/drivers/w1/w1_smem.c b/drivers/w1/w1_smem.c
index 674eb75a9bad..4a335f1a2ae2 100644
--- a/drivers/w1/w1_smem.c
+++ b/drivers/w1/w1_smem.c
@@ -99,19 +99,37 @@ out_dec:
         return count;
 }
 
-static struct w1_family w1_smem_family = {
-        .fid = W1_FAMILY_SMEM,
+static struct w1_family w1_smem_family_01 = {
+        .fid = W1_FAMILY_SMEM_01,
+        .fops = &w1_smem_fops,
+};
+
+static struct w1_family w1_smem_family_81 = {
+        .fid = W1_FAMILY_SMEM_81,
         .fops = &w1_smem_fops,
 };
 
 static int __init w1_smem_init(void)
 {
-        return w1_register_family(&w1_smem_family);
+        int err;
+
+        err = w1_register_family(&w1_smem_family_01);
+        if (err)
+                return err;
+        
+        err = w1_register_family(&w1_smem_family_81);
+        if (err) {
+                w1_unregister_family(&w1_smem_family_01);
+                return err;
+        }
+
+        return 0;
 }
 
 static void __exit w1_smem_fini(void)
 {
-        w1_unregister_family(&w1_smem_family);
+        w1_unregister_family(&w1_smem_family_01);
+        w1_unregister_family(&w1_smem_family_81);
 }
 
 module_init(w1_smem_init);