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=-6.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,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 A4225C282DD for ; Thu, 23 May 2019 19:50:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 71A7C2133D for ; Thu, 23 May 2019 19:50:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558641043; bh=46iHrFNZs4p/6RybbRSqSqw6eSdxnHpFYC9BZZ871NY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=uCgPIyZgYSAsPnH7t2OeTLnz2YMDyeYIG8d/hb+195og5TJjXd2Jk6ReXAanWTXYt x8Ks5sPfUQ4dNpCIwWIL5a23YQKVXqKUznlRtWuQgUexODetbI2mLB+uAbZNAAyWkb d8YtmmrK/jvKx4ajUjlaHpLFVOF7wEb+UWz7Hz54= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387430AbfEWTJe (ORCPT ); Thu, 23 May 2019 15:09:34 -0400 Received: from mail.kernel.org ([198.145.29.99]:42628 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732207AbfEWTJb (ORCPT ); Thu, 23 May 2019 15:09:31 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5759B217D7; Thu, 23 May 2019 19:09:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558638570; bh=46iHrFNZs4p/6RybbRSqSqw6eSdxnHpFYC9BZZ871NY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=IFNKqwX4zzUVnwWkyeMc1yYoDoH+t/uC0u5GOzN6AYbnzu8Y7d1uhY38GFiMEnMRI s1Bn2xTa51TH4gKutELooxv+p54c+rbJona3So8ahH5ZRKFbbGDOsyJA537SMlFZzE 2mTRx9CPOIEr66Bp7wntys/leyWmuJslATaQShYI= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, James Prestwood , Bjorn Helgaas Subject: [PATCH 4.9 38/53] PCI: Mark Atheros AR9462 to avoid bus reset Date: Thu, 23 May 2019 21:06:02 +0200 Message-Id: <20190523181716.914973689@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190523181710.981455400@linuxfoundation.org> References: <20190523181710.981455400@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: James Prestwood commit 6afb7e26978da5e86e57e540fdce65c8b04f398a upstream. 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: Greg Kroah-Hartman --- drivers/pci/quirks.c | 1 + 1 file changed, 1 insertion(+) --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3326,6 +3326,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A 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) {