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ixgbe: Clear I2C destination location

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Clear the destination location for I2C data initially so that
the received data will not be affected by previous attempts.
This could have returned wrong data in certain retry sequences.

Signed-off-by: Mark Rustad <mark.d.rustad@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:
Mark Rustad 2015-08-08 16:18:17 -07:00 committed by Jeff Kirsher
parent 06e60e5912
commit 6ee8c9a70d
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
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@ -2026,6 +2026,7 @@ static s32 ixgbe_clock_in_i2c_byte(struct ixgbe_hw *hw, u8 *data)
s32 i;
bool bit = false;
*data = 0;
for (i = 7; i >= 0; i--) {
ixgbe_clock_in_i2c_bit(hw, &bit);
*data |= bit << i;