From patchwork Wed Jul 15 12:16:36 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marc Zyngier X-Patchwork-Id: 6797981 X-Patchwork-Delegate: bhelgaas@google.com Return-Path: X-Original-To: patchwork-linux-pci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id 0F696C05AC for ; Wed, 15 Jul 2015 12:21:59 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3283C205B9 for ; Wed, 15 Jul 2015 12:21:58 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E59272055A for ; Wed, 15 Jul 2015 12:21:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753035AbbGOMRF (ORCPT ); Wed, 15 Jul 2015 08:17:05 -0400 Received: from foss.arm.com ([217.140.101.70]:38657 "EHLO foss.arm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752637AbbGOMRE (ORCPT ); Wed, 15 Jul 2015 08:17:04 -0400 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.72.51.249]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 837E9520; Wed, 15 Jul 2015 05:17:24 -0700 (PDT) Received: from approximate.cambridge.arm.com (approximate.cambridge.arm.com [10.1.209.148]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 82BEA3F23A; Wed, 15 Jul 2015 05:17:02 -0700 (PDT) From: Marc Zyngier To: Bjorn Helgaas , Thomas Gleixner , Jiang Liu , Jason Cooper Cc: , , , Yijing Wang , Ma Jun , Lorenzo Pieralisi , Duc Dang Subject: [PATCH v4 02/19] PCI: MSI: Register irq domain with specific token Date: Wed, 15 Jul 2015 13:16:36 +0100 Message-Id: <1436962613-17359-3-git-send-email-marc.zyngier@arm.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1436962613-17359-1-git-send-email-marc.zyngier@arm.com> References: <1436962613-17359-1-git-send-email-marc.zyngier@arm.com> Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org X-Spam-Status: No, score=-8.3 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP When creating a PCI/MSI domain, tag it with DOMAIN_BUS_PCI_MSI so that it can be looked-up using irq_find_matching_host(). Signed-off-by: Marc Zyngier --- drivers/pci/msi.c | 8 +++++++- include/linux/irqdomain.h | 1 + 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index 373d96e..ef4ec6e 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -1273,12 +1273,18 @@ struct irq_domain *pci_msi_create_irq_domain(struct device_node *node, struct msi_domain_info *info, struct irq_domain *parent) { + struct irq_domain *domain; + if (info->flags & MSI_FLAG_USE_DEF_DOM_OPS) pci_msi_domain_update_dom_ops(info); if (info->flags & MSI_FLAG_USE_DEF_CHIP_OPS) pci_msi_domain_update_chip_ops(info); - return msi_create_irq_domain(node, info, parent); + domain = msi_create_irq_domain(node, info, parent); + if (domain) + domain->bus_token = DOMAIN_BUS_PCI_MSI; + + return domain; } /** diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h index 91a83ad..25e9e66 100644 --- a/include/linux/irqdomain.h +++ b/include/linux/irqdomain.h @@ -54,6 +54,7 @@ struct irq_data; */ enum irq_domain_bus_token { DOMAIN_BUS_ANY = 0, + DOMAIN_BUS_PCI_MSI, }; /**