linux-kernel - [RFC PATCH v2 19/32] PCI/mlx4: use PCIe capabilities access functions to simplify implementation

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Date:	Wed, 25 Jul 2012 00:31:31 +0800
From:	Jiang Liu <liuj97@...il.com>
To:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Don Dutile <ddutile@...hat.com>
Cc:	Jiang Liu <jiang.liu@...wei.com>, Yinghai Lu <yinghai@...nel.org>,
	Taku Izumi <izumi.taku@...fujitsu.com>,
	"Rafael J . Wysocki" <rjw@...k.pl>,
	Kenji Kaneshige <kaneshige.kenji@...fujitsu.com>,
	Yijing Wang <wangyijing@...wei.com>,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	Jiang Liu <liuj97@...il.com>
Subject: [RFC PATCH v2 19/32] PCI/mlx4: use PCIe capabilities access functions to simplify implementation

From: Jiang Liu <jiang.liu@...wei.com>

Use PCIe capabilities access functions to simplify mlx4 driver's
implementation.

Signed-off-by: Jiang Liu <liuj97@...il.com>
---
 drivers/net/ethernet/mellanox/mlx4/reset.c |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/mellanox/mlx4/reset.c b/drivers/net/ethernet/mellanox/mlx4/reset.c
index 11e7c1c..6895214 100644
--- a/drivers/net/ethernet/mellanox/mlx4/reset.c
+++ b/drivers/net/ethernet/mellanox/mlx4/reset.c
@@ -141,16 +141,16 @@ int mlx4_reset(struct mlx4_dev *dev)
 	/* Now restore the PCI headers */
 	if (pcie_cap) {
 		devctl = hca_header[(pcie_cap + PCI_EXP_DEVCTL) / 4];
-		if (pci_write_config_word(dev->pdev, pcie_cap + PCI_EXP_DEVCTL,
-					   devctl)) {
+		if (pci_pcie_capability_write_word(dev->pdev, PCI_EXP_DEVCTL,
+						   devctl)) {
 			err = -ENODEV;
 			mlx4_err(dev, "Couldn't restore HCA PCI Express "
 				 "Device Control register, aborting.\n");
 			goto out;
 		}
 		linkctl = hca_header[(pcie_cap + PCI_EXP_LNKCTL) / 4];
-		if (pci_write_config_word(dev->pdev, pcie_cap + PCI_EXP_LNKCTL,
-					   linkctl)) {
+		if (pci_pcie_capability_write_word(dev->pdev, PCI_EXP_LNKCTL,
+						   linkctl)) {
 			err = -ENODEV;
 			mlx4_err(dev, "Couldn't restore HCA PCI Express "
 				 "Link control register, aborting.\n");
-- 
1.7.9.5

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