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igb: loopback bits not correctly cleared from RCTL register

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This change forces the bits to 0 by using an &= operation with an inverted
mask of all options instead of using an |= with a value of 0.

Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Alexander Duyck 2008-11-25 01:04:03 -08:00 committed by David S. Miller
parent 9b07f3d315
commit 69d728baf6
2 changed files with 4 additions and 3 deletions
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3
drivers/net/igb/igb_ethtool.c
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@ -1339,8 +1339,9 @@ static int igb_setup_desc_rings(struct igb_adapter *adapter)
wr32(E1000_RDLEN(0), rx_ring->size);
wr32(E1000_RDH(0), 0);
wr32(E1000_RDT(0), 0);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
rctl = E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_SZ_2048 |
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
E1000_RCTL_RDMTS_HALF |
(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
wr32(E1000_RCTL, rctl);
wr32(E1000_SRRCTL(0), 0);

4
drivers/net/igb/igb_main.c
View file

@ -1779,9 +1779,9 @@ static void igb_setup_rctl(struct igb_adapter *adapter)
rctl = rd32(E1000_RCTL);
rctl &= ~(3 << E1000_RCTL_MO_SHIFT);
rctl &= ~(E1000_RCTL_LBM_TCVR | E1000_RCTL_LBM_MAC);
rctl |= E1000_RCTL_EN | E1000_RCTL_BAM |
E1000_RCTL_LBM_NO | E1000_RCTL_RDMTS_HALF |
rctl |= E1000_RCTL_EN | E1000_RCTL_BAM | E1000_RCTL_RDMTS_HALF |
(adapter->hw.mac.mc_filter_type << E1000_RCTL_MO_SHIFT);
/*