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Commit aac9453b authored by Kevin Baradon's avatar Kevin Baradon Committed by David S. Miller
Browse files

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: default avatarKevin 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: default avatarDavid S. Miller <davem@davemloft.net>
parent 0d0d0b16

drivers/net/ethernet/jme.c

+4 −0
Original line number Diff line number Diff line
@@ -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");