From d3aa0cb44f2cfcdfa6df1bd40b9c182b35528849 Mon Sep 17 00:00:00 2001
From: Jon Mason <jdmason@kudzu.us>
Date: Mon, 27 Jun 2011 07:45:44 +0000
Subject: [PATCH] niu: 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@kudzu.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/niu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/niu.c b/drivers/net/niu.c
index 1c7b790217f9..cd6c2317e29e 100644
--- a/drivers/net/niu.c
+++ b/drivers/net/niu.c
@@ -9797,7 +9797,7 @@ static int __devinit niu_pci_init_one(struct pci_dev *pdev,
goto err_out_disable_pdev;
}
- pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
+ pos = pci_pcie_cap(pdev);
if (pos <= 0) {
dev_err(&pdev->dev, "Cannot find PCI Express capability, aborting\n");
goto err_out_free_res;
--
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