From patchwork Mon Nov 27 16:57:57 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Sinan Kaya X-Patchwork-Id: 841765 X-Patchwork-Delegate: bhelgaas@google.com 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="ADSDDIF/"; dkim=pass (1024-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="BFaNRrLh"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yltR44sPGz9sBZ for ; Tue, 28 Nov 2017 04:03:12 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752967AbdK0Q7g (ORCPT ); Mon, 27 Nov 2017 11:59:36 -0500 Received: from smtp.codeaurora.org ([198.145.29.96]:60128 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753798AbdK0Q7e (ORCPT ); Mon, 27 Nov 2017 11:59:34 -0500 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 2D3AA6A621; Mon, 27 Nov 2017 16:59:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1511801973; bh=DsQ3/tY5nSVcFCFP9Z5KMyGfUgWh+NfXk70QUpHV6Ek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ADSDDIF/dRXOGFQRDP7VxXr/vxdH4AMaOFej2NZ6Kv7+pU9/qMlHS5XZ+/69Ujkot Rh3P101MxCWMygybiqkpPRpKSEPHcru/IzQECjp7+r1GvMDldDZqNpOfdJw2L7Iapa +2ZP+bve8rc41ob47j07VE4wCtUfQEE3keUCvevI= 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 52BB76A605; Mon, 27 Nov 2017 16:59:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1511801951; bh=DsQ3/tY5nSVcFCFP9Z5KMyGfUgWh+NfXk70QUpHV6Ek=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BFaNRrLh/IX2YZnWvhiQlR4PmqDlNUbx7al5KO+4EZXYn9DfDnYHUYdtt51CVK5LY u3J/7IvWa3jJpFSoXn63tHQbCD9Cr+9MLGscBAwmTwz5u+2eoCvFoIxhfEjdIFTUL0 d9sOUp0UaIxZU5wJZKYpbrfMKPaKsLdVmFnyTH/k= DMARC-Filter: OpenDMARC Filter v1.3.2 smtp.codeaurora.org 52BB76A605 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, intel-gfx@lists.freedesktop.org, Sinan Kaya , Konrad Rzeszutek Wilk , Boris Ostrovsky , Juergen Gross , Bjorn Helgaas , xen-devel@lists.xenproject.org (moderated list:XEN PCI SUBSYSTEM), linux-kernel@vger.kernel.org (open list) Subject: [PATCH V3 20/29] xen: deprecate pci_get_bus_and_slot() Date: Mon, 27 Nov 2017 11:57:57 -0500 Message-Id: <1511801886-6753-21-git-send-email-okaya@codeaurora.org> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1511801886-6753-1-git-send-email-okaya@codeaurora.org> References: <1511801886-6753-1-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. Reviewed-by: Juergen Gross Signed-off-by: Sinan Kaya --- 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);