diff options
Diffstat (limited to 'drivers/net/ixgbe/ixgbe_phy.c')
| -rw-r--r-- | drivers/net/ixgbe/ixgbe_phy.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/net/ixgbe/ixgbe_phy.c b/drivers/net/ixgbe/ixgbe_phy.c index 735f686c3b3..f7ca3511b9f 100644 --- a/drivers/net/ixgbe/ixgbe_phy.c +++ b/drivers/net/ixgbe/ixgbe_phy.c @@ -1585,6 +1585,7 @@ static s32 ixgbe_raise_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) *i2cctl |= IXGBE_I2C_CLK_OUT; IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + IXGBE_WRITE_FLUSH(hw); /* SCL rise time (1000ns) */ udelay(IXGBE_I2C_T_RISE); @@ -1605,6 +1606,7 @@ static void ixgbe_lower_i2c_clk(struct ixgbe_hw *hw, u32 *i2cctl) *i2cctl &= ~IXGBE_I2C_CLK_OUT; IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + IXGBE_WRITE_FLUSH(hw); /* SCL fall time (300ns) */ udelay(IXGBE_I2C_T_FALL); @@ -1628,6 +1630,7 @@ static s32 ixgbe_set_i2c_data(struct ixgbe_hw *hw, u32 *i2cctl, bool data) *i2cctl &= ~IXGBE_I2C_DATA_OUT; IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, *i2cctl); + IXGBE_WRITE_FLUSH(hw); /* Data rise/fall (1000ns/300ns) and set-up time (250ns) */ udelay(IXGBE_I2C_T_RISE + IXGBE_I2C_T_FALL + IXGBE_I2C_T_SU_DATA); |