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GET /api/patches/668137/?format=api
HTTP 200 OK
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{
    "id": 668137,
    "url": "http://patchwork.ozlabs.org/api/patches/668137/?format=api",
    "web_url": "http://patchwork.ozlabs.org/project/intel-wired-lan/patch/20160909161051.8954-1-jacob.e.keller@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": ""
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    "msgid": "<20160909161051.8954-1-jacob.e.keller@intel.com>",
    "list_archive_url": null,
    "date": "2016-09-09T16:10:51",
    "name": "igb: restore PPS signal on igb_ptp_reset",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": false,
    "hash": "89c21253c63ab4e864e64e94186657e22dfa135d",
    "submitter": {
        "id": 9784,
        "url": "http://patchwork.ozlabs.org/api/people/9784/?format=api",
        "name": "Jacob Keller",
        "email": "jacob.e.keller@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/20160909161051.8954-1-jacob.e.keller@intel.com/mbox/",
    "series": [],
    "comments": "http://patchwork.ozlabs.org/api/patches/668137/comments/",
    "check": "pending",
    "checks": "http://patchwork.ozlabs.org/api/patches/668137/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<intel-wired-lan-bounces@lists.osuosl.org>",
        "X-Original-To": [
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            "from hemlock.osuosl.org (smtp2.osuosl.org [140.211.166.133])\n\t(using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits))\n\t(No client certificate requested)\n\tby ozlabs.org (Postfix) with ESMTPS id 3sW2Hp2gqxz9ryv\n\tfor <incoming@patchwork.ozlabs.org>;\n\tSat, 10 Sep 2016 02:11:02 +1000 (AEST)",
            "from localhost (localhost [127.0.0.1])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id CEE3792C9E;\n\tFri,  9 Sep 2016 16:11:00 +0000 (UTC)",
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            "from ash.osuosl.org (ash.osuosl.org [140.211.166.34])\n\tby hemlock.osuosl.org (Postfix) with ESMTP id 3C62092E9C;\n\tFri,  9 Sep 2016 16:11:00 +0000 (UTC)",
            "from silver.osuosl.org (smtp3.osuosl.org [140.211.166.136])\n\tby ash.osuosl.org (Postfix) with ESMTP id 9EF911C06D4\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri,  9 Sep 2016 16:10:54 +0000 (UTC)",
            "from localhost (localhost [127.0.0.1])\n\tby silver.osuosl.org (Postfix) with ESMTP id 9765431D68\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri,  9 Sep 2016 16:10:54 +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 6z-PWJHD3UbI for <intel-wired-lan@lists.osuosl.org>;\n\tFri,  9 Sep 2016 16:10:53 +0000 (UTC)",
            "from mga02.intel.com (mga02.intel.com [134.134.136.20])\n\tby silver.osuosl.org (Postfix) with ESMTPS id D5F8A314C6\n\tfor <intel-wired-lan@lists.osuosl.org>;\n\tFri,  9 Sep 2016 16:10:53 +0000 (UTC)",
            "from orsmga002.jf.intel.com ([10.7.209.21])\n\tby orsmga101.jf.intel.com with ESMTP; 09 Sep 2016 09:10:54 -0700",
            "from jekeller-desk.amr.corp.intel.com ([134.134.3.116])\n\tby orsmga002.jf.intel.com with ESMTP; 09 Sep 2016 09:10:54 -0700"
        ],
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        "X-IronPort-AV": "E=Sophos; i=\"5.30,305,1470726000\"; d=\"scan'208\";\n\ta=\"1047932725\"",
        "From": "Jacob Keller <jacob.e.keller@intel.com>",
        "To": "Intel Wired LAN <intel-wired-lan@lists.osuosl.org>",
        "Date": "Fri,  9 Sep 2016 09:10:51 -0700",
        "Message-Id": "<20160909161051.8954-1-jacob.e.keller@intel.com>",
        "X-Mailer": "git-send-email 2.10.0.443.g7d82ce0",
        "Subject": "[Intel-wired-lan] [PATCH] igb: restore PPS signal on igb_ptp_reset",
        "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>",
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        "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",
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        "Errors-To": "intel-wired-lan-bounces@lists.osuosl.org",
        "Sender": "\"Intel-wired-lan\" <intel-wired-lan-bounces@lists.osuosl.org>"
    },
    "content": "When a reset occurs, the PPS SYS_WRAP interrupt was not re-enabled which\nresulted in disabling of the PPS signaling. Fix this by recording when\nthe interrupt is on and ensuring that we re-enable it every time we\nreset.\n\nSigned-off-by: Jacob Keller <jacob.e.keller@intel.com>\n---\n drivers/net/ethernet/intel/igb/igb.h     | 1 +\n drivers/net/ethernet/intel/igb/igb_ptp.c | 5 ++++-\n 2 files changed, 5 insertions(+), 1 deletion(-)",
    "diff": "diff --git a/drivers/net/ethernet/intel/igb/igb.h b/drivers/net/ethernet/intel/igb/igb.h\nindex 20b9fa89c4c1..1da2d7d795a8 100644\n--- a/drivers/net/ethernet/intel/igb/igb.h\n+++ b/drivers/net/ethernet/intel/igb/igb.h\n@@ -492,6 +492,7 @@ struct igb_adapter {\n \tstruct timecounter tc;\n \tu32 tx_hwtstamp_timeouts;\n \tu32 rx_hwtstamp_cleared;\n+\tbool pps_sys_wrap_on;\n \n \tstruct ptp_pin_desc sdp_config[IGB_N_SDP];\n \tstruct {\ndiff --git a/drivers/net/ethernet/intel/igb/igb_ptp.c b/drivers/net/ethernet/intel/igb/igb_ptp.c\nindex 66dfa2085cc7..f2f348079397 100644\n--- a/drivers/net/ethernet/intel/igb/igb_ptp.c\n+++ b/drivers/net/ethernet/intel/igb/igb_ptp.c\n@@ -591,6 +591,7 @@ static int igb_ptp_feature_enable_i210(struct ptp_clock_info *ptp,\n \t\t\ttsim |= TSINTR_SYS_WRAP;\n \t\telse\n \t\t\ttsim &= ~TSINTR_SYS_WRAP;\n+\t\tigb->pps_sys_wrap_on = !!on;\n \t\twr32(E1000_TSIM, tsim);\n \t\tspin_unlock_irqrestore(&igb->tmreg_lock, flags);\n \t\treturn 0;\n@@ -1235,7 +1236,9 @@ void igb_ptp_reset(struct igb_adapter *adapter)\n \tcase e1000_i211:\n \t\twr32(E1000_TSAUXC, 0x0);\n \t\twr32(E1000_TSSDP, 0x0);\n-\t\twr32(E1000_TSIM, TSYNC_INTERRUPTS);\n+\t\twr32(E1000_TSIM,\n+\t\t     TSYNC_INTERRUPTS |\n+\t\t     (adapter->pps_sys_wrap_on ? TSINTR_SYS_WRAP : 0));\n \t\twr32(E1000_IMS, E1000_IMS_TS);\n \t\tbreak;\n \tdefault:\n",
    "prefixes": []
}