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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9C25BC433F5 for ; Wed, 24 Nov 2021 12:14:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S242726AbhKXMRC (ORCPT ); Wed, 24 Nov 2021 07:17:02 -0500 Received: from mail.kernel.org ([198.145.29.99]:48834 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S243423AbhKXMOC (ORCPT ); Wed, 24 Nov 2021 07:14:02 -0500 Received: by mail.kernel.org (Postfix) with ESMTPSA id 4190A6108F; Wed, 24 Nov 2021 12:08:45 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1637755725; bh=goLH+zDirGBuw9U04IOpnl9PZoD1BMOzb/miVVV89RA=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=DmJx7VSDl9KHyg/RjPJXK0FDUfI58omCcUTkjjQeyKwQGlFvmjjMtR+Y9t8PkFcEC 6lbJZP3+FLJi5zvy+OjBOB+EJRsFrHFzK6tHCjP+uOJP/TudujCwQ1hhiWMC1bYY3Y DmTXtrXq5f6Dlz/HJwPXgDI8RZ/8scyllBh8NRKw= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Ingmar Klein , Bjorn Helgaas , =?UTF-8?q?Pali=20Roh=C3=A1r?= Subject: [PATCH 4.9 035/207] PCI: Mark Atheros QCA6174 to avoid bus reset Date: Wed, 24 Nov 2021 12:55:06 +0100 Message-Id: <20211124115705.081694972@linuxfoundation.org> X-Mailer: git-send-email 2.34.0 In-Reply-To: <20211124115703.941380739@linuxfoundation.org> References: <20211124115703.941380739@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ingmar Klein commit e3f4bd3462f6f796594ecc0dda7144ed2d1e5a26 upstream. When passing the Atheros QCA6174 through to a virtual machine, the VM hangs at the point where the ath10k driver loads. Add a quirk to avoid bus resets on this device, which avoids the hang. [bhelgaas: commit log] Link: https://lore.kernel.org/r/08982e05-b6e8-5a8d-24ab-da1488ee50a8@web.de Signed-off-by: Ingmar Klein Signed-off-by: Bjorn Helgaas Reviewed-by: Pali Rohár Cc: stable@vger.kernel.org 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 @@ -3370,6 +3370,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_A 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); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003e, quirk_no_bus_reset); /* * Some TI KeyStone C667X devices do not support bus/hot reset. The PCIESS