netdev - [PATCH 2/6] net/ethernet/atl1e: Disable ASPM

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Date:	Fri, 11 Nov 2011 11:05:07 -0500
From:	Matthew Garrett <mjg@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Matthew Garrett <mjg@...hat.com>, netdev@...r.kernel.org,
	jcliburn@...il.com, chris.snook@...il.com
Subject: [PATCH 2/6] net/ethernet/atl1e: Disable ASPM

http://www.atheros.cz/atheros-inf-file.php?inf=209&chipset=45&system=6
indicates that ASPM is disabled on all L1E hardware. Duplicate for sanity.

Signed-off-by: Matthew Garrett <mjg@...hat.com>
Cc: netdev@...r.kernel.org
Cc: jcliburn@...il.com
Cc: chris.snook@...il.com
---
 drivers/net/ethernet/atheros/atl1e/atl1e_main.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
index 95483bc..fc74dd1 100644
--- a/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
+++ b/drivers/net/ethernet/atheros/atl1e/atl1e_main.c
@@ -2264,6 +2264,9 @@ static int __devinit atl1e_probe(struct pci_dev *pdev,
 
 	int err = 0;
 
+	pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+			       PCIE_LINK_STATE_CLKPM);
+
 	err = pci_enable_device(pdev);
 	if (err) {
 		dev_err(&pdev->dev, "cannot enable PCI device\n");
-- 
1.7.7.1

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