Commit 0380839d authored Jul 28, 2015 by Marc Zyngier Committed by Thomas Gleixner Jul 30, 2015

PCI/MSI: Register irq domain with specific token



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().

Acked-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Cc: <linux-arm-kernel@lists.infradead.org>
Cc: Yijing Wang <wangyijing@huawei.com>
Cc: Ma Jun <majun258@huawei.com>
Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: Duc Dang <dhdang@apm.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-3-git-send-email-marc.zyngier@arm.com


Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

parent ad3aedfb

drivers/pci/msi.c

+8 −1

Original line number	Diff line number	Diff line
		@@ -1273,12 +1273,19 @@ 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)
		return NULL;

		domain->bus_token = DOMAIN_BUS_PCI_MSI;
		return domain;
		}

		/**

include/linux/irqdomain.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -54,6 +54,7 @@ struct irq_data;
		*/
		enum irq_domain_bus_token {
		DOMAIN_BUS_ANY = 0,
		DOMAIN_BUS_PCI_MSI,
		};

		/**