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genirq: Add DOMAIN_BUS_NEXUS irqdomain property

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Some IRQ domains are not designed to directly provide interrupts
to devices, but strictly to be used by other domains. An example
of this is the GICv3 ITS, which is completely bus agnostic, and
on which it is possible to implement a PCI/MSI domain.

Just introduce the irq_domain_bus_token property for now.

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: Hanjun Guo <hanjun.guo@linaro.org>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Jason Cooper <jason@lakedaemon.net>
Link: http://lkml.kernel.org/r/1438091186-10244-11-git-send-email-marc.zyngier@arm.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Marc Zyngier 2015-07-28 14:46:17 +01:00 committed by Thomas Gleixner
parent c09fcc4b2b
commit a5716070d8
1 changed files with 1 additions and 0 deletions
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1
include/linux/irqdomain.h
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@ -56,6 +56,7 @@ enum irq_domain_bus_token {
DOMAIN_BUS_ANY = 0, DOMAIN_BUS_ANY = 0,
DOMAIN_BUS_PCI_MSI, DOMAIN_BUS_PCI_MSI,
DOMAIN_BUS_PLATFORM_MSI, DOMAIN_BUS_PLATFORM_MSI,
DOMAIN_BUS_NEXUS,
}; };
/** /**