linux-kernel - [PATCH V2 6/6] infiniband/nes: Disable ASPM

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Date:	Fri, 11 Nov 2011 11:14:24 -0500
From:	Matthew Garrett <mjg@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Matthew Garrett <mjg@...hat.com>, faisal.latif@...el.com,
	linux-rdma@...r.kernel.org
Subject: [PATCH V2 6/6] infiniband/nes: Disable ASPM

The Windows driver .inf disables ASPM on hpsa devices. Do the same.

Signed-off-by: Matthew Garrett <mjg@...hat.com>
Cc: faisal.latif@...el.com
Cc: linux-rdma@...r.kernel.org
---
 drivers/infiniband/hw/nes/nes.c |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
index 5965b3d..ea320f5 100644
--- a/drivers/infiniband/hw/nes/nes.c
+++ b/drivers/infiniband/hw/nes/nes.c
@@ -45,6 +45,7 @@
 #include <linux/if_arp.h>
 #include <linux/highmem.h>
 #include <linux/slab.h>
+#include <linux/pci-aspm.h>
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/byteorder.h>
@@ -463,6 +464,9 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
 	printk(KERN_INFO PFX "NetEffect RNIC driver v%s loading. (%s)\n",
 			DRV_VERSION, pci_name(pcidev));
 
+	pci_disable_link_state(pcidev, PCIE_LINK_STATE_L0S |
+			       PCIE_LINK_STATE_L1 | PCIE_LINK_STATE_CLKPM);
+
 	ret = pci_enable_device(pcidev);
 	if (ret) {
 		printk(KERN_ERR PFX "Unable to enable PCI device. (%s)\n", pci_name(pcidev));
-- 
1.7.7.1

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