Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754378Ab0BIXEL (ORCPT ); Tue, 9 Feb 2010 18:04:11 -0500 Received: from cavan.codon.org.uk ([93.93.128.6]:46837 "EHLO cavan.codon.org.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751585Ab0BIXEH (ORCPT ); Tue, 9 Feb 2010 18:04:07 -0500 From: Matthew Garrett To: e1000-devel@lists.sourceforge.net Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, Matthew Garrett Subject: [PATCH 1/2] e1000e: Only disable ASPM on 82573L devices Date: Tue, 9 Feb 2010 18:03:49 -0500 Message-Id: <1265756630-8093-1-git-send-email-mjg@redhat.com> X-Mailer: git-send-email 1.6.6.1 X-SA-Do-Not-Run: Yes X-SA-Exim-Connect-IP: 209.6.34.250 X-SA-Exim-Mail-From: mjg@redhat.com X-SA-Exim-Scanned: No (on cavan.codon.org.uk); SAEximRunCond expanded to false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1060 Lines: 31 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 --- 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 linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/