[PATCH] net/ethernet/jme: disable ASPM
flat view
STALE5120d
From: Kevin Baradon <hidden>
Date: 2012-10-08 19:21:07
Subsystem:
jme network driver, networking drivers, the rest · Maintainers:
Guo-Fu Tseng, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Based on patch from Matthew Garrett [off-list ref] (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 <redacted> Cc: Guo-Fu Tseng <cooldavid@cooldavid.org> Cc: Matthew Garrett <redacted> Cc: netdev@vger.kernel.org --- drivers/net/ethernet/jme.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/net/ethernet/jme.c b/drivers/net/ethernet/jme.c
index c911d88..373df5a 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");
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1.7.10.4