From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.1 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,T_DKIMWL_WL_HIGH,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9D0E6C28CC4 for ; Sat, 1 Jun 2019 13:29:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 6D9FA2745A for ; Sat, 1 Jun 2019 13:29:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559395783; bh=uAAi8CTOOnASvru0RtQIRJjMPSSGzCt7X5cKVXUegXs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=2EyuWEREq3KzCrWW5NxUmygdNRWPTsUHev7D26VGOqqMVlZL86bO4c6oCvacvdxvg 4QJ1tzbw7dOKE7NjDrvMAu1OFCcNwvWZrX2MYHfkuBcxBiRaDmtdue6LXNl4i5bFyc 4hHPezU6XW8VxC/BwVcvR5Z7mZA0SqB3dL/6go7I= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727997AbfFAN3i (ORCPT ); Sat, 1 Jun 2019 09:29:38 -0400 Received: from mail.kernel.org ([198.145.29.99]:57348 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729862AbfFAN0t (ORCPT ); Sat, 1 Jun 2019 09:26:49 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id EC104273BD; Sat, 1 Jun 2019 13:26:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559395608; bh=uAAi8CTOOnASvru0RtQIRJjMPSSGzCt7X5cKVXUegXs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0X6bZYzNlH2LNW9OADR0SfFv+ow24fTjluDq0pLl1uezuEeBwDiANuq5WtuJybirJ 7FZ0hKLsLWDFZ4foNPijiNcvNjNky5FfLvI8JnZ1Ek1tJMTkO51u5gCsLyDEuNwSq5 og94ilhTrK0CtUn8fZTq9kZrTgqgxWzZIWbLDHBs= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: James Prestwood , Bjorn Helgaas , Sasha Levin , linux-pci@vger.kernel.org Subject: [PATCH AUTOSEL 4.4 27/56] PCI: Mark Atheros AR9462 to avoid bus reset Date: Sat, 1 Jun 2019 09:25:31 -0400 Message-Id: <20190601132600.27427-27-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190601132600.27427-1-sashal@kernel.org> References: <20190601132600.27427-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org From: James Prestwood [ Upstream commit 6afb7e26978da5e86e57e540fdce65c8b04f398a ] When using PCI passthrough with this device, the host machine locks up completely when starting the VM, requiring a hard reboot. Add a quirk to avoid bus resets on this device. Fixes: c3e59ee4e766 ("PCI: Mark Atheros AR93xx to avoid bus reset") Link: https://lore.kernel.org/linux-pci/20190107213248.3034-1-james.prestwood@linux.intel.com Signed-off-by: James Prestwood Signed-off-by: Bjorn Helgaas CC: stable@vger.kernel.org # v3.14+ Signed-off-by: Sasha Levin --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index d85010ebac5aa..36c6f3702167c 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3141,6 +3141,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0030, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset); static void quirk_no_pm_reset(struct pci_dev *dev) { -- 2.20.1