diff --git a/include/android_avb/rk_avb_ops_user.h b/include/android_avb/rk_avb_ops_user.h
index 7317f1795b..1d1b8c415d 100644
--- a/include/android_avb/rk_avb_ops_user.h
+++ b/include/android_avb/rk_avb_ops_user.h
@@ -76,6 +76,17 @@ int rk_avb_set_slot_active(unsigned int *slot_number);
  */
 int rk_avb_get_current_slot(char *select_slot);
 
+/**
+ * Append current slot to given partition name
+ *
+ * @param part_name	partition name
+ * @param slot		given slot suffix, auto append current slot if NULL
+ * @param new_name	partition name with slot suffix appended
+ *
+ * @return 0 if the command succeeded, -1 if it failed
+ */
+int rk_avb_append_part_slot(const char *part_name, char *new_name);
+
 /**
  * The android things defines permanent attributes to
  * store PSK_public, product id. We can use this function
diff --git a/lib/avb/rk_avb_user/rk_avb_ops_user.c b/lib/avb/rk_avb_user/rk_avb_ops_user.c
index e3a154f89e..63a3d10e19 100644
--- a/lib/avb/rk_avb_user/rk_avb_ops_user.c
+++ b/lib/avb/rk_avb_user/rk_avb_ops_user.c
@@ -112,6 +112,7 @@ AvbABFlowResult rk_avb_ab_slot_select(AvbABOps* ab_ops,char* select_slot)
 	AvbIOResult io_ret = AVB_IO_RESULT_OK;
 	AvbABData ab_data;
 	size_t slot_index_to_boot;
+	static int last_slot_index = -1;
 
 	io_ret = ab_ops->read_ab_metadata(ab_ops, &ab_data);
 	if (io_ret != AVB_IO_RESULT_OK) {
@@ -140,6 +141,14 @@ AvbABFlowResult rk_avb_ab_slot_select(AvbABOps* ab_ops,char* select_slot)
 	} else if(slot_index_to_boot == 1) {
 		strcpy(select_slot, "_b");
 	}
+
+	if (last_slot_index != slot_index_to_boot) {
+		last_slot_index = slot_index_to_boot;
+		printf("A/B-slot: %s, successful: %d, tries-remain: %d\n",
+		       select_slot,
+		       ab_data.slots[slot_index_to_boot].successful_boot,
+		       ab_data.slots[slot_index_to_boot].tries_remaining);
+	}
 out:
 	return ret;
 }
@@ -172,6 +181,26 @@ int rk_avb_get_current_slot(char *select_slot)
 	return ret;
 }
 
+int rk_avb_append_part_slot(const char *part_name, char *new_name)
+{
+	char slot_suffix[3] = {0};
+
+	if (!strcmp(part_name, "misc")) {
+		strcat(new_name, part_name);
+		return 0;
+	}
+
+	if (rk_avb_get_current_slot(slot_suffix)) {
+		printf("%s: failed to get slot suffix !\n", __func__);
+		return -1;
+	}
+
+	strcpy(new_name, part_name);
+	strcat(new_name, slot_suffix);
+
+	return 0;
+}
+
 int rk_avb_read_permanent_attributes(uint8_t *attributes, uint32_t size)
 {
 #ifdef CONFIG_OPTEE_CLIENT