aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/jme.c
diff options
context:
space:
mode:
authorKevin Baradon <kevin.baradon@gmail.com>2012-10-10 10:50:49 +0000
committerDavid S. Miller <davem@davemloft.net>2012-10-11 15:18:49 -0400
commitaac9453b65c5d41eac133095586379be5b923a1e (patch)
treec154060bb904d97ad58f24564de5b3986bcff80e /drivers/net/ethernet/jme.c
parent0d0d0b160c389574f67cdcf6766ba9597102495d (diff)
downloadlinux-aac9453b65c5d41eac133095586379be5b923a1e.tar.gz
net/ethernet/jme: disable ASPM
Based on patch from Matthew Garrett <mjg@redhat.com> (https://lkml.org/lkml/2011/11/11/168). http://driveragent.com/archive/30421/7-0-14 indicates that ASPM is disabled on the 250 and 260. Duplicate for sanity. Fixes random RX engine hangs I experienced with JMC250 on Clevo W270HU. Signed-off-by: Kevin Baradon <kevin.baradon@gmail.com> Cc: Guo-Fu Tseng <cooldavid@cooldavid.org> Cc: Matthew Garrett <mjg@redhat.com> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/jme.c')
-rw-r--r--drivers/net/ethernet/jme.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index c911d883c27e..f8064df10cc4 100644
--- a/drivers/net/ethernet/jme.c
+++ b/drivers/net/ethernet/jme.c
@@ -27,6 +27,7 @@
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/pci.h>
+#include <linux/pci-aspm.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/ethtool.h>
@@ -2973,6 +2974,9 @@ jme_init_one(struct pci_dev *pdev,
/*
* set up PCI device basics
*/
+ pci_disable_link_state(pdev, PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1 |
+ PCIE_LINK_STATE_CLKPM);
+
rc = pci_enable_device(pdev);
if (rc) {
pr_err("Cannot enable PCI device\n");