[PATCH 5/7] ixgbe: use pcie_capability_read_word() to simplify code

[Yijing Wang]

use pcie_capability_read_word() to simplify code.

Signed-off-by: Yijing Wang <wangyijing@xxxxxxxxxx>
Cc: e1000-devel@xxxxxxxxxxxxxxxxxxxxx
Cc: netdev@xxxxxxxxxxxxxxx
Cc: linux-kernel@xxxxxxxxxxxxxxx
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_main.c |    6 ++----
 1 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index bad8f14..bfa0b06 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -152,7 +152,6 @@ MODULE_VERSION(DRV_VERSION);
 static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter,
 					  u32 reg, u16 *value)
 {
-	int pos = 0;
 	struct pci_dev *parent_dev;
 	struct pci_bus *parent_bus;
 
@@ -164,11 +163,10 @@ static int ixgbe_read_pci_cfg_word_parent(struct ixgbe_adapter *adapter,
 	if (!parent_dev)
 		return -1;
 
-	pos = pci_find_capability(parent_dev, PCI_CAP_ID_EXP);
-	if (!pos)
+	if (!pci_is_pcie(parent_dev))
 		return -1;
 
-	pci_read_config_word(parent_dev, pos + reg, value);
+	pcie_capability_read_word(parent_dev, reg, value);
 	return 0;
 }
 
-- 
1.7.1


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