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ixgbe: Drop unnecessary adapter->hw dereference in loopback test setup 

This patch drops a set of unnecessary dereferences to the hardware structure
since we already have a local copy of the hardware pointer.

Signed-off-by: Alexander Duyck <alexander.h.duyck@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:
Alexander Duyck 2011-07-15 03:06:01 +00:00 committed by Jeff Kirsher
parent 4cc6df29d9
commit 35c7f8a1ba
1 changed files with 9 additions and 9 deletions
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18
drivers/net/ethernet/intel/ixgbe/ixgbe_ethtool.c
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@ -1570,26 +1570,26 @@ static int ixgbe_setup_loopback_test(struct ixgbe_adapter *adapter)
/* X540 needs to set the MACC.FLU bit to force link up */
if (adapter->hw.mac.type == ixgbe_mac_X540) {
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_MACC);
reg_data = IXGBE_READ_REG(hw, IXGBE_MACC);
reg_data |= IXGBE_MACC_FLU;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_MACC, reg_data);
IXGBE_WRITE_REG(hw, IXGBE_MACC, reg_data);
}
/* right now we only support MAC loopback in the driver */
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_HLREG0);
reg_data = IXGBE_READ_REG(hw, IXGBE_HLREG0);
/* Setup MAC loopback */
reg_data |= IXGBE_HLREG0_LPBK;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_HLREG0, reg_data);
IXGBE_WRITE_REG(hw, IXGBE_HLREG0, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_FCTRL);
reg_data = IXGBE_READ_REG(hw, IXGBE_FCTRL);
reg_data |= IXGBE_FCTRL_BAM | IXGBE_FCTRL_SBP | IXGBE_FCTRL_MPE;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_FCTRL, reg_data);
IXGBE_WRITE_REG(hw, IXGBE_FCTRL, reg_data);
reg_data = IXGBE_READ_REG(&adapter->hw, IXGBE_AUTOC);
reg_data = IXGBE_READ_REG(hw, IXGBE_AUTOC);
reg_data &= ~IXGBE_AUTOC_LMS_MASK;
reg_data |= IXGBE_AUTOC_LMS_10G_LINK_NO_AN | IXGBE_AUTOC_FLU;
IXGBE_WRITE_REG(&adapter->hw, IXGBE_AUTOC, reg_data);
IXGBE_WRITE_FLUSH(&adapter->hw);
IXGBE_WRITE_REG(hw, IXGBE_AUTOC, reg_data);
IXGBE_WRITE_FLUSH(hw);
usleep_range(10000, 20000);
/* Disable Atlas Tx lanes; re-enabled in reset path */