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GET /api/patches/482391/?format=api
{ "id": 482391, "url": "http://patchwork.ozlabs.org/api/patches/482391/?format=api", "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/f60bcfb3d2cf6db3c53fe84b1620dad209976300.1433877893.git.yanirx.lubetkin@intel.com/", "project": { "id": 46, "url": "http://patchwork.ozlabs.org/api/projects/46/?format=api", "name": "Intel Wired Ethernet development", "link_name": "intel-wired-lan", "list_id": "intel-wired-lan.osuosl.org", "list_email": "intel-wired-lan@osuosl.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<f60bcfb3d2cf6db3c53fe84b1620dad209976300.1433877893.git.yanirx.lubetkin@intel.com>", "list_archive_url": null, "date": "2015-06-09T22:15:51", "name": "[1/5] e1000e: synchronization of MAC-PHY interface only on non- ME systems", "commit_ref": null, "pull_url": null, "state": "accepted", "archived": false, "hash": "3ef5c532536d77d95ce61a020d1ac52a4decb212", "submitter": { "id": 66154, "url": "http://patchwork.ozlabs.org/api/people/66154/?format=api", "name": "Yanir Lubetkin", "email": "yanirx.lubetkin@intel.com" }, "delegate": { "id": 68, "url": "http://patchwork.ozlabs.org/api/users/68/?format=api", "username": "jtkirshe", "first_name": "Jeff", "last_name": "Kirsher", "email": "jeffrey.t.kirsher@intel.com" }, "mbox": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/f60bcfb3d2cf6db3c53fe84b1620dad209976300.1433877893.git.yanirx.lubetkin@intel.com/mbox/", "series": [], "comments": "http://patchwork.ozlabs.org/api/patches/482391/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/482391/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>", "X-Original-To": [ "incoming@patchwork.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Delivered-To": [ "patchwork-incoming@bilbo.ozlabs.org", "intel-wired-lan@lists.osuosl.org" ], "Received": [ "from fraxinus.osuosl.org (smtp4.osuosl.org [140.211.166.137])\n\tby ozlabs.org (Postfix) with ESMTP id 05A3B140758\n\tfor <incoming@patchwork.ozlabs.org>;\n\tWed, 10 Jun 2015 08:16:40 +1000 (AEST)", "from localhost (localhost [127.0.0.1])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 038BA8B7D0;\n\tTue, 9 Jun 2015 22:16:40 +0000 (UTC)", "from fraxinus.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id ufLGTF3b7Yya; Tue, 9 Jun 2015 22:16:39 +0000 (UTC)", "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby fraxinus.osuosl.org (Postfix) with ESMTP id 60ABC8B0CE;\n\tTue, 9 Jun 2015 22:16:39 +0000 (UTC)", "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id 929101C1E80\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 9 Jun 2015 22:16:38 +0000 (UTC)", "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 8C466322AB\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 9 Jun 2015 22:16:38 +0000 (UTC)", "from silver.osuosl.org ([127.0.0.1])\n\tby localhost (.osuosl.org [127.0.0.1]) (amavisd-new, port 10024)\n\twith ESMTP id iHhRQ5vnKzKz for <intel-wired-lan@lists.osuosl.org>;\n\tTue, 9 Jun 2015 22:16:37 +0000 (UTC)", "from mga09.intel.com (mga09.intel.com [134.134.136.24])\n\tby silver.osuosl.org (Postfix) with ESMTP id EAB9932271\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tTue, 9 Jun 2015 22:16:37 +0000 (UTC)", "from fmsmga003.fm.intel.com ([10.253.24.29])\n\tby orsmga102.jf.intel.com with ESMTP; 09 Jun 2015 15:16:38 -0700", "from unknown (HELO ccdpc064.localdomain.com) ([143.185.160.80])\n\tby FMSMGA003.fm.intel.com with ESMTP; 09 Jun 2015 15:16:36 -0700" ], "X-Virus-Scanned": [ "amavisd-new at osuosl.org", "amavisd-new at osuosl.org" ], "X-Greylist": "domain auto-whitelisted by SQLgrey-1.7.6", "X-ExtLoop1": "1", "X-IronPort-AV": "E=Sophos;i=\"5.13,584,1427785200\"; d=\"scan'208\";a=\"505776141\"", "From": "Yanir Lubetkin <yanirx.lubetkin@intel.com>", "To": "intel-wired-lan@lists.osuosl.org", "Date": "Wed, 10 Jun 2015 01:15:51 +0300", "Message-Id": "<f60bcfb3d2cf6db3c53fe84b1620dad209976300.1433877893.git.yanirx.lubetkin@intel.com>", "X-Mailer": "git-send-email 2.1.0", "Subject": "[Intel-wired-lan] [PATCH 1/5] e1000e: synchronization of MAC-PHY\n\tinterface only on non- ME systems", "X-BeenThere": "intel-wired-lan@lists.osuosl.org", "X-Mailman-Version": "2.1.18-1", "Precedence": "list", "List-Id": "Intel Wired Ethernet Linux Kernel Driver Development\n\t<intel-wired-lan.lists.osuosl.org>", "List-Unsubscribe": "<http://lists.osuosl.org/mailman/options/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=unsubscribe>", "List-Archive": "<http://lists.osuosl.org/pipermail/intel-wired-lan/>", "List-Post": "<mailto:intel-wired-lan@lists.osuosl.org>", "List-Help": "<mailto:intel-wired-lan-request@lists.osuosl.org?subject=help>", "List-Subscribe": "<http://lists.osuosl.org/mailman/listinfo/intel-wired-lan>, \n\t<mailto:intel-wired-lan-request@lists.osuosl.org?subject=subscribe>", "MIME-Version": "1.0", "Content-Type": "text/plain; charset=\"us-ascii\"", "Content-Transfer-Encoding": "7bit", "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org", "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>" }, "content": "On power up, the MAC - PHY interface needs to be set to PCIe, even if\ncable is disconnected. In ME systems, the ME handles this on exit from\nSx state. In non-ME, the driver handles it. Added a check for non-ME\nsystem to the driver code that handles that.\n\nSigned-off-by: Yanir Lubetkin <yanirx.lubetkin@intel.com>\n---\n drivers/net/ethernet/intel/e1000e/ich8lan.c | 22 ++++++++++++----------\n 1 file changed, 12 insertions(+), 10 deletions(-)", "diff": "diff --git a/drivers/net/ethernet/intel/e1000e/ich8lan.c b/drivers/net/ethernet/intel/e1000e/ich8lan.c\nindex b074b9a..c742a4f 100644\n--- a/drivers/net/ethernet/intel/e1000e/ich8lan.c\n+++ b/drivers/net/ethernet/intel/e1000e/ich8lan.c\n@@ -237,17 +237,19 @@ static bool e1000_phy_is_accessible_pchlan(struct e1000_hw *hw)\n \tif (ret_val)\n \t\treturn false;\n out:\n-\tif ((hw->mac.type == e1000_pch_lpt) ||\n-\t (hw->mac.type == e1000_pch_spt)) {\n-\t\t/* Unforce SMBus mode in PHY */\n-\t\te1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);\n-\t\tphy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;\n-\t\te1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);\n+\tif ((hw->mac.type == e1000_pch_lpt) || (hw->mac.type == e1000_pch_spt)) {\n+\t\t/* Only unforce SMBus if ME is not active */\n+\t\tif (!(er32(FWSM) & E1000_ICH_FWSM_FW_VALID)) {\n+\t\t\t/* Unforce SMBus mode in PHY */\n+\t\t\te1e_rphy_locked(hw, CV_SMB_CTRL, &phy_reg);\n+\t\t\tphy_reg &= ~CV_SMB_CTRL_FORCE_SMBUS;\n+\t\t\te1e_wphy_locked(hw, CV_SMB_CTRL, phy_reg);\n \n-\t\t/* Unforce SMBus mode in MAC */\n-\t\tmac_reg = er32(CTRL_EXT);\n-\t\tmac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;\n-\t\tew32(CTRL_EXT, mac_reg);\n+\t\t\t/* Unforce SMBus mode in MAC */\n+\t\t\tmac_reg = er32(CTRL_EXT);\n+\t\t\tmac_reg &= ~E1000_CTRL_EXT_FORCE_SMBUS;\n+\t\t\tew32(CTRL_EXT, mac_reg);\n+\t\t}\n \t}\n \n \treturn true;\n", "prefixes": [ "1/5" ] }