diff --git a/drivers/i2c/busses/i2c-exynos5.c b/drivers/i2c/busses/i2c-exynos5.c
index 257d7d978986..28073f1d6d47 100644
--- a/drivers/i2c/busses/i2c-exynos5.c
+++ b/drivers/i2c/busses/i2c-exynos5.c
@@ -525,7 +525,7 @@ static void exynos5_i2c_message_start(struct exynos5_i2c *i2c, int stop)
 	if (i2c->msg->flags & I2C_M_RD) {
 		i2c_ctl |= HSI2C_RXCHON;
 
-		i2c_auto_conf = HSI2C_READ_WRITE;
+		i2c_auto_conf |= HSI2C_READ_WRITE;
 
 		trig_lvl = (i2c->msg->len > i2c->variant->fifo_depth) ?
 			(i2c->variant->fifo_depth * 3 / 4) : i2c->msg->len;
@@ -548,7 +548,6 @@ static void exynos5_i2c_message_start(struct exynos5_i2c *i2c, int stop)
 	writel(fifo_ctl, i2c->regs + HSI2C_FIFO_CTL);
 	writel(i2c_ctl, i2c->regs + HSI2C_CTL);
 
-
 	/*
 	 * Enable interrupts before starting the transfer so that we don't
 	 * miss any INT_I2C interrupts.