evie/android_kernel_oneplus_msm8998
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

ixgbe: add write flush in ixgbe_clock_out_i2c_byte()

Browse source 
I2C access is timing critical. Always do a write flush after writing
to the I2CCTL register.

Signed-off-by: Emil Tantilov <emil.s.tantilov@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Emil Tantilov 2011-11-04 06:43:23 +00:00 • committed by Jeff Kirsher
parent 52f33af8ac
commit 176f950d31
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
View file

@ -1457,6 +1457,7 @@ static s32 ixgbe_clock_out_i2c_byte(struct ixgbe_hw *hw, u8 data)
i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL); i2cctl = IXGBE_READ_REG(hw, IXGBE_I2CCTL);
i2cctl |= IXGBE_I2C_DATA_OUT; i2cctl |= IXGBE_I2C_DATA_OUT;
IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, i2cctl); IXGBE_WRITE_REG(hw, IXGBE_I2CCTL, i2cctl);
IXGBE_WRITE_FLUSH(hw);
return status; return status;
} }