From patchwork Thu Mar 7 18:55:16 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Huang, Xiong" X-Patchwork-Id: 225897 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id B92292C035C for ; Fri, 8 Mar 2013 05:55:50 +1100 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932693Ab3CGSzt (ORCPT ); Thu, 7 Mar 2013 13:55:49 -0500 Received: from sabertooth01.qualcomm.com ([65.197.215.72]:43022 "EHLO sabertooth01.qualcomm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932690Ab3CGSzs (ORCPT ); Thu, 7 Mar 2013 13:55:48 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=qca.qualcomm.com; i=@qca.qualcomm.com; q=dns/txt; s=qcdkim; t=1362682548; x=1394218548; h=from:to:cc:subject:date:message-id:mime-version; bh=ecPzOmmSWFwT++KUto072YUrgifrkDz512xe3W9epko=; b=vrS4DG8T5Z7DjABS3dR6C/KQ46ZewZHFDIOslIRl6ndS6dENquUBNvUT Io0mbY/Cwcy9+CoSxnva2mtSb6CF9/ZrcCa9E3A0x+Py4jjM+0iQQHKeX dAFPUJ3DbiBWe8CqtW9keiCc0VmvudrtlwZvGt3ALkIpx0k1IwbC0BcF9 0=; X-IronPort-AV: E=Sophos;i="4.84,803,1355126400"; d="scan'208";a="28891286" Received: from ironmsg04-r.qualcomm.com ([172.30.46.18]) by sabertooth01.qualcomm.com with ESMTP; 07 Mar 2013 10:55:48 -0800 X-IronPort-AV: E=Sophos;i="4.84,803,1355126400"; d="scan'208";a="501638188" Received: from nasanexhc07.na.qualcomm.com ([172.30.39.190]) by Ironmsg04-R.qualcomm.com with ESMTP/TLS/RC4-SHA; 07 Mar 2013 10:55:48 -0800 Received: from localhost (172.30.39.5) by qcmail1.qualcomm.com (172.30.39.190) with Microsoft SMTP Server (TLS) id 14.2.318.4; Thu, 7 Mar 2013 10:55:46 -0800 From: xiong To: CC: , , , "Huang,Xiong" Subject: [PATCH] PCI: add MSI INTX_DISABLE quirks for AR8161/AR8162/AR8171/AR8172/E210X Date: Fri, 8 Mar 2013 02:55:16 +0800 Message-ID: <1362682516-9840-1-git-send-email-xiong@qca.qualcomm.com> X-Mailer: git-send-email 1.8.0.msysgit.0 MIME-Version: 1.0 X-Originating-IP: [172.30.39.5] Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: "Huang,Xiong" following PCIe Devices with revision lower than 0x18 have this bug: AR8161(1091)/AR8162(1090)/AR8171(10A1)/AR8172(10A0)/E210X(E091). Signed-off-by: Huang,Xiong --- drivers/pci/quirks.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 0369fb6..4273a2d 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -2594,6 +2594,14 @@ static void quirk_msi_intx_disable_ati_bug(struct pci_dev *dev) dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; pci_dev_put(p); } +static void quirk_msi_intx_disable_qca_bug(struct pci_dev *dev) +{ + /* AR816X/AR817X/E210X MSI is fixed at HW level from revision 0x18 */ + if (dev->revision < 0x18) { + dev_info(&dev->dev, "set MSI_INTX_DISABLE_BUG flag\n"); + dev->dev_flags |= PCI_DEV_FLAGS_MSI_INTX_DISABLE_BUG; + } +} DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_TIGON3_5780, quirk_msi_intx_disable_bug); @@ -2643,6 +2651,16 @@ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1073, quirk_msi_intx_disable_bug); DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1083, quirk_msi_intx_disable_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1090, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x1091, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x10a0, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0x10a1, + quirk_msi_intx_disable_qca_bug); +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ATTANSIC, 0xe091, + quirk_msi_intx_disable_qca_bug); #endif /* CONFIG_PCI_MSI */ /* Allow manual resource allocation for PCI hotplug bridges