From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Kirsher Subject: [net 1/8] e1000: add dropped DMA receive enable back in for WoL Date: Wed, 8 Feb 2012 01:36:31 -0800 Message-ID: <1328693798-27323-2-git-send-email-jeffrey.t.kirsher@intel.com> References: <1328693798-27323-1-git-send-email-jeffrey.t.kirsher@intel.com> Cc: Dean Nelson , netdev@vger.kernel.org, gospo@redhat.com, sassmann@redhat.com, stable@vger.stable.org, Jeff Kirsher To: davem@davemloft.net Return-path: Received: from mga14.intel.com ([143.182.124.37]:21470 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751141Ab2BHJgo (ORCPT ); Wed, 8 Feb 2012 04:36:44 -0500 In-Reply-To: <1328693798-27323-1-git-send-email-jeffrey.t.kirsher@intel.com> Sender: netdev-owner@vger.kernel.org List-ID: From: Dean Nelson Commit d5bc77a223b0e9b9dfb002048d2b34a79e7d0b48 broke Wake-on-LAN by inadvertently dropping the enabling of DMA receives. Restore the enabling of DMA receives for WoL. This is applicable to 3.1+ stable trees. CC: stable@vger.stable.org Reported-by: Tobias Klausmann Signed-off-by: Dean Nelson Tested-by: Tobias Klausmann Tested-by: Aaron Brown Signed-off-by: Jeff Kirsher --- drivers/net/ethernet/intel/e1000/e1000_main.c | 10 ++++++---- 1 files changed, 6 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 669ca38..d94d64b 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -4740,12 +4740,14 @@ static int __e1000_shutdown(struct pci_dev *pdev, bool *enable_wake) e1000_setup_rctl(adapter); e1000_set_rx_mode(netdev); + rctl = er32(RCTL); + /* turn on all-multi mode if wake on multicast is enabled */ - if (wufc & E1000_WUFC_MC) { - rctl = er32(RCTL); + if (wufc & E1000_WUFC_MC) rctl |= E1000_RCTL_MPE; - ew32(RCTL, rctl); - } + + /* enable receives in the hardware */ + ew32(RCTL, rctl | E1000_RCTL_EN); if (hw->mac_type >= e1000_82540) { ctrl = er32(CTRL); -- 1.7.7.6