From patchwork Tue Dec 19 05:37:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 850606 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-pci-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=codeaurora.org header.i=@codeaurora.org header.b="JvPWk8BX"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="HUFlGxj1"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3z16Gw6BdHz9t0m for ; Tue, 19 Dec 2017 16:42:00 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761142AbdLSFl7 (ORCPT ); Tue, 19 Dec 2017 00:41:59 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:55718 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760964AbdLSFj2 (ORCPT ); Tue, 19 Dec 2017 00:39:28 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 4871C60B17; Tue, 19 Dec 2017 05:39:28 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513661968; bh=g/qA3XeLAwKQRLAjmrDjc1Y2ZOSrrAeVk57sKFgICi4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=JvPWk8BXqWccR9sJQNNATNZKjSiKysgvB0yr8qftgdWn6NYTb3hpJg02kxQ/f/jlh +aXrbtIY8t/XKxIOnzfGwX33sksNKWUgwDGQPaaTKAtN+Q5aygd00xgYlFzkjeVbkk MKb0HWMR2kcwb4JIva4Ks1Ro8yaB61yAJbNtCGsg= X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on pdx-caf-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.8 required=2.0 tests=ALL_TRUSTED,BAYES_00, DKIM_SIGNED, T_DKIM_INVALID autolearn=no autolearn_force=no version=3.4.0 Received: from drakthul.qualcomm.com (global_nat1_iad_fw.qualcomm.com [129.46.232.65]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: okaya@smtp.codeaurora.org) by smtp.codeaurora.org (Postfix) with ESMTPSA id 916D260B20; Tue, 19 Dec 2017 05:39:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1513661967; bh=g/qA3XeLAwKQRLAjmrDjc1Y2ZOSrrAeVk57sKFgICi4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=HUFlGxj1i3Pcm/+nQDiXLAtjruQ3Zb1S05LhuB8QgHxkdZTmFAgJokr47GbNlywW9 Iqya3cORV5CcupD/n/agx5Nm0fmb1xp1Qp1qwfGx0ZsmW/ZryxDLjPPhCA3635r5Al +aqt0dWiWRCH9SWN0YXSuZ2AeyBsi3zvPA/WfpB0= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 916D260B20 Authentication-Results: pdx-caf-mail.web.codeaurora.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: pdx-caf-mail.web.codeaurora.org; spf=none smtp.mailfrom=okaya@codeaurora.org From: Sinan Kaya To: linux-pci@vger.kernel.org, timur@codeaurora.org Cc: linux-arm-msm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Sinan Kaya , Boris Ostrovsky , Juergen Gross , Konrad Rzeszutek Wilk , Bjorn Helgaas , xen-devel@lists.xenproject.org (moderated list:XEN HYPERVISOR INTERFACE), linux-kernel@vger.kernel.org (open list) Subject: [PATCH V4 19/26] xen: deprecate pci_get_bus_and_slot() Date: Tue, 19 Dec 2017 00:37:55 -0500 Message-Id: <1513661883-28662-20-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1513661883-28662-1-git-send-email-okaya@codeaurora.org> References: <1513661883-28662-1-git-send-email-okaya@codeaurora.org> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org pci_get_bus_and_slot() is restrictive such that it assumes domain=0 as where a PCI device is present. This restricts the device drivers to be reused for other domain numbers. Use pci_get_domain_bus_and_slot() with a domain number of 0 where we can't extract the domain number. Other places, use the actual domain number from the device. Signed-off-by: Sinan Kaya Reviewed-by: Juergen Gross --- drivers/pci/xen-pcifront.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c index 8fc2e95..94b25b5 100644 --- a/drivers/pci/xen-pcifront.c +++ b/drivers/pci/xen-pcifront.c @@ -595,6 +595,7 @@ static pci_ers_result_t pcifront_common_process(int cmd, struct pci_driver *pdrv; int bus = pdev->sh_info->aer_op.bus; int devfn = pdev->sh_info->aer_op.devfn; + int domain = pdev->sh_info->aer_op.domain; struct pci_dev *pcidev; int flag = 0; @@ -603,7 +604,7 @@ static pci_ers_result_t pcifront_common_process(int cmd, cmd, bus, devfn); result = PCI_ERS_RESULT_NONE; - pcidev = pci_get_bus_and_slot(bus, devfn); + pcidev = pci_get_domain_bus_and_slot(domain, bus, devfn); if (!pcidev || !pcidev->driver) { dev_err(&pdev->xdev->dev, "device or AER driver is NULL\n"); pci_dev_put(pcidev);