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irqchip: gic-v2m: Add support for ARM GICv2m MSI(-X) doorbell

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ARM GICv2m specification extends GICv2 to support MSI(-X) with
a new register frame. This allows a GICv2 based system to support
MSI with minimal changes.

Signed-off-by: Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com>
[maz: converted the driver to use stacked irq domains,
      updated changelog]
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Link: https://lkml.kernel.org/r/1416941243-7181-2-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Suravee Suthikulpanit 2014-11-25 18:47:22 +00:00 • committed by Jason Cooper
commit 853a33ce69
6 changed files with 347 additions and 0 deletions
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