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-rw-r--r--drivers/net/ethernet/intel/e1000e/82571.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
index 6a8a908f92b8..36db4df09aed 100644
--- a/drivers/net/ethernet/intel/e1000e/82571.c
+++ b/drivers/net/ethernet/intel/e1000e/82571.c
@@ -999,7 +999,7 @@ static s32 e1000_set_d0_lplu_state_82571(struct e1000_hw *hw, bool active)
**/
static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
{
- u32 ctrl, ctrl_ext;
+ u32 ctrl, ctrl_ext, eecd;
s32 ret_val;
/*
@@ -1072,6 +1072,16 @@ static s32 e1000_reset_hw_82571(struct e1000_hw *hw)
*/
switch (hw->mac.type) {
+ case e1000_82571:
+ case e1000_82572:
+ /*
+ * REQ and GNT bits need to be cleared when using AUTO_RD
+ * to access the EEPROM.
+ */
+ eecd = er32(EECD);
+ eecd &= ~(E1000_EECD_REQ | E1000_EECD_GNT);
+ ew32(EECD, eecd);
+ break;
case e1000_82573:
case e1000_82574:
case e1000_82583: