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igb: add completion timeout workaround for 82575/82576

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The 82575 and 82576 hardware can both experience data corruption issues if
a pci-e completion arrives after the timeout value.  In order to avoid this
we need to increase the timeout value while pci-e master is disabled.

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
2009-07-23 18:08:35 +00:00
committed by David S. Miller
parent 12645a196e
commit 009bc06e53
6 changed files with 98 additions and 15 deletions
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4
drivers/net/igb/e1000_hw.h
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@@ -494,5 +494,7 @@ extern char *igb_get_hw_dev_name(struct e1000_hw *hw);
#else
#define hw_dbg(format, arg...)
#endif
#endif
/* These functions must be implemented by drivers */
s32 igb_read_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);
s32 igb_write_pcie_cap_reg(struct e1000_hw *hw, u32 reg, u16 *value);