diff --git a/drivers/i2c/algos/i2c-algo-bit.c b/drivers/i2c/algos/i2c-algo-bit.c
index 3df0efd69ae336035c8f6994ef3230f6cff920f6..4a34f311e1ff4df2cd6cdfcff7ea1662c95a06eb 100644
--- a/drivers/i2c/algos/i2c-algo-bit.c
+++ b/drivers/i2c/algos/i2c-algo-bit.c
@@ -519,9 +519,7 @@ static int bit_doAddress(struct i2c_adapter *i2c_adap, struct i2c_msg *msg)
 			}
 		}
 	} else {		/* normal 7bit address	*/
-		addr = msg->addr << 1;
-		if (flags & I2C_M_RD)
-			addr |= 1;
+		addr = i2c_8bit_addr_from_msg(msg);
 		if (flags & I2C_M_REV_DIR_ADDR)
 			addr ^= 1;
 		ret = try_address(i2c_adap, addr, retries);
diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c
index e370804ec8bc62d10830eadba8ac93f7af50aedd..883a290f6a4d05f29fc1919f4d68f1d4c089eb6e 100644
--- a/drivers/i2c/algos/i2c-algo-pca.c
+++ b/drivers/i2c/algos/i2c-algo-pca.c
@@ -112,11 +112,8 @@ static int pca_address(struct i2c_algo_pca_data *adap,
 		       struct i2c_msg *msg)
 {
 	int sta = pca_get_con(adap);
-	int addr;
+	int addr = i2c_8bit_addr_from_msg(msg);
 
-	addr = ((0x7f & msg->addr) << 1);
-	if (msg->flags & I2C_M_RD)
-		addr |= 1;
 	DEB2("=== SLAVE ADDRESS %#04x+%c=%#04x\n",
 	     msg->addr, msg->flags & I2C_M_RD ? 'R' : 'W', addr);
 
diff --git a/drivers/i2c/algos/i2c-algo-pcf.c b/drivers/i2c/algos/i2c-algo-pcf.c
index 270d84bfc2c68b526d6b8119afa67f4cb3c37543..5c29a4d397cff2a7860c6511a2fbee820945b4ed 100644
--- a/drivers/i2c/algos/i2c-algo-pcf.c
+++ b/drivers/i2c/algos/i2c-algo-pcf.c
@@ -291,13 +291,9 @@ static int pcf_readbytes(struct i2c_adapter *i2c_adap, char *buf,
 static int pcf_doAddress(struct i2c_algo_pcf_data *adap,
 			 struct i2c_msg *msg)
 {
-	unsigned short flags = msg->flags;
-	unsigned char addr;
+	unsigned char addr = i2c_8bit_addr_from_msg(msg);
 
-	addr = msg->addr << 1;
-	if (flags & I2C_M_RD)
-		addr |= 1;
-	if (flags & I2C_M_REV_DIR_ADDR)
+	if (msg->flags & I2C_M_REV_DIR_ADDR)
 		addr ^= 1;
 	i2c_outb(adap, addr);