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From: Matthew Garrett on 9 Feb 2010 18:10
The 82537 errata and comment in e1000e_disable_l1aspm both agree that
only 82537L devices are affected. Limit the L1 disable to them.

Signed-off-by: Matthew Garrett <mjg(a)redhat.com>
---
drivers/net/e1000e/netdev.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/net/e1000e/netdev.c b/drivers/net/e1000e/netdev.c
index 57f149b..27eed81 100644
--- a/drivers/net/e1000e/netdev.c
+++ b/drivers/net/e1000e/netdev.c
@@ -4642,6 +4642,10 @@ static void e1000e_disable_l1aspm(struct pci_dev *pdev)
* Unfortunately this feature saves about 1W power consumption when
* active.
*/
+
+ if (pdev->device != E1000_DEV_ID_82573L)
+ return;
+
pos = pci_find_capability(pdev, PCI_CAP_ID_EXP);
pci_read_config_word(pdev, pos + PCI_EXP_LNKCTL, &val);
if (val & 0x2) {
--
1.6.6.1

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