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 <[email protected]>
---
 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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