netdev - [PATCH 06/19] mlx4: remove unnecessary read of PCI_CAP_ID

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Message-Id: <1309196537-15879-1-git-send-email-jdmason@kudzu.us>
Date:	Mon, 27 Jun 2011 12:42:17 -0500
From:	Jon Mason <jdmason@...zu.us>
To:	Yevgeny Petrilin <yevgenyp@...lanox.co.il>
Cc:	netdev@...r.kernel.org
Subject: [PATCH 06/19] mlx4: remove unnecessary read of PCI_CAP_ID_EXP

The PCIE capability offset is saved during PCI bus walking.  It will
remove an unnecessary search in the PCI configuration space if this
value is referenced instead of reacquiring it.

Signed-off-by: Jon Mason <jdmason@...zu.us>
---
 drivers/net/mlx4/reset.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/net/mlx4/reset.c b/drivers/net/mlx4/reset.c
index e5741da..11e7c1c 100644
--- a/drivers/net/mlx4/reset.c
+++ b/drivers/net/mlx4/reset.c
@@ -77,7 +77,7 @@ int mlx4_reset(struct mlx4_dev *dev)
 		goto out;
 	}
 
-	pcie_cap = pci_find_capability(dev->pdev, PCI_CAP_ID_EXP);
+	pcie_cap = pci_pcie_cap(dev->pdev);
 
 	for (i = 0; i < 64; ++i) {
 		if (i == 22 || i == 23)
-- 
1.7.5.4

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