diff mbox

[06/19] mlx4: remove unnecessary read of PCI_CAP_ID_EXP

Message ID 1309196537-15879-1-git-send-email-jdmason@kudzu.us
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Jon Mason June 27, 2011, 5:42 p.m. UTC
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@kudzu.us>
---
 drivers/net/mlx4/reset.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

Comments

David Miller June 28, 2011, 4:40 a.m. UTC | #1
From: Jon Mason <jdmason@kudzu.us>
Date: Mon, 27 Jun 2011 12:42:17 -0500

> 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@kudzu.us>

Applied.
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diff mbox

Patch

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)