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Message-Id: <1265756630-8093-1-git-send-email-mjg@redhat.com> Date: Tue, 9 Feb 2010 18:03:49 -0500 From: Matthew Garrett <mjg@...hat.com> To: e1000-devel@...ts.sourceforge.net Cc: netdev@...r.kernel.org, linux-kernel@...r.kernel.org, Matthew Garrett <mjg@...hat.com> Subject: [PATCH 1/2] e1000e: Only disable ASPM on 82573L devices 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@...hat.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 -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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