diff --git a/drivers/w1/w1.h b/drivers/w1/w1.h
index cdaa6ff..97304bd 100644
--- a/drivers/w1/w1.h
+++ b/drivers/w1/w1.h
@@ -206,6 +206,7 @@
 
 u8 w1_triplet(struct w1_master *dev, int bdir);
 void w1_write_8(struct w1_master *, u8);
+u8 w1_read_8(struct w1_master *);
 int w1_reset_bus(struct w1_master *);
 u8 w1_calc_crc8(u8 *, int);
 void w1_write_block(struct w1_master *, const u8 *, int);
diff --git a/drivers/w1/w1_io.c b/drivers/w1/w1_io.c
index f4f82f1..0d15b0e 100644
--- a/drivers/w1/w1_io.c
+++ b/drivers/w1/w1_io.c
@@ -217,7 +217,7 @@
  * @param dev     the master device
  * @return        the byte read
  */
-static u8 w1_read_8(struct w1_master * dev)
+u8 w1_read_8(struct w1_master *dev)
 {
 	int i;
 	u8 res = 0;
@@ -230,6 +230,7 @@
 
 	return res;
 }
+EXPORT_SYMBOL_GPL(w1_read_8);
 
 /**
  * Writes a series of bytes.