Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753069AbbGOMRG (ORCPT ); Wed, 15 Jul 2015 08:17:06 -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 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1549 Lines: 53 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, }; /** -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/