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ixgbe/base: fix X550 PCIe master disabling

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This patch skips the PCI transactions pending check in
ixgbe_disable_pcie_master. The PCI transactions pending bit sticks high
when there were pending transactions, we should wait and then continue
with our reset flow.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
Acked-by: Helin Zhang <helin.zhang@intel.com>
This commit is contained in:
Wenzhuo Lu 2015-06-24 11:26:21 +08:00 committed by Thomas Monjalon
parent 28e8a033f5
commit dac9552bb9
1 changed files with 3 additions and 0 deletions
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3
drivers/net/ixgbe/base/ixgbe_common.c
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@ -3142,6 +3142,9 @@ s32 ixgbe_disable_pcie_master(struct ixgbe_hw *hw)
DEBUGOUT("GIO Master Disable bit didn't clear - requesting resets\n");
hw->mac.flags |= IXGBE_FLAGS_DOUBLE_RESET_REQUIRED;
if (hw->mac.type >= ixgbe_mac_X550)
goto out;
/*
* Before proceeding, make sure that the PCIe block does not have
* transactions pending.