* [PATCH V2 6/6] infiniband/nes: Disable ASPM
[not found] ` <1321028064-644-1-git-send-email-mjg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
@ 2011-11-11 16:14 ` Matthew Garrett
0 siblings, 0 replies; only message in thread
From: Matthew Garrett @ 2011-11-11 16:14 UTC (permalink / raw)
To: linux-kernel-u79uwXL29TY76Z2rM5mHXA
Cc: Matthew Garrett, faisal.latif-ral2JQCrhuEAvxtiuMwx3w,
linux-rdma-u79uwXL29TY76Z2rM5mHXA
The Windows driver .inf disables ASPM on hpsa devices. Do the same.
Signed-off-by: Matthew Garrett <mjg-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
Cc: faisal.latif-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org
Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.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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