linux-kernel - [PATCH 0/4] Cover: Support mbigen msi interrupt controller

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Date:	Sat, 30 May 2015 11:19:00 +0800
From:	"majun (F)" <majun258@...wei.com>
To:	catalin Marinas <Catalin.Marinas@....com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
	Will Deacon <Will.Deacon@....com>,
	Mark Rutland <mark.rutland@....com>,
	Marc Zyngier <marc.zyngier@....com>
Subject: [PATCH 0/4] Cover: Support mbigen msi interrupt controller

This patch set is applied to supprot the mbigen device.

Mbigen means message based interrupt generator.
It locate in ITS or out side of ITS.

In fact, mbigen is a kind of interrupt controller collects
the irq form Non-PCI devices and generate msi interrupt.

Hisilicon designed mbigen to reduce the wired interrupt
number connected to GIC.

In these patches, the interrupts from Non-PCI devices are
named as MBI to distiguish between legacy MSI interrupt from
PCI devices.

As a MSI interrupt controller, the mbigen is used as a child
domain of MSI domain just like PCI devices.

So,in order to support the mbigen interrupt controller, the
msi.c and its-gic-v3-its.c are changed.

Ma Jun (4):
  Add mbigen driver to support mbigen interrupt controller
  Change msi to support the Mbigen interrupt
  Change arm-gic-its to support the Mbigen interrupt
  dt-binding:Documents the mbigen bindings

 Documentation/devicetree/bindings/arm/mbigen.txt |   51 ++
 drivers/irqchip/Kconfig                          |    4 +
 drivers/irqchip/Makefile                         |    1 +
 drivers/irqchip/irq-gic-v3-its.c                 |   71 +--
 drivers/irqchip/irq-mbigen.c                     |  562 ++++++++++++++++++++++
 include/linux/irq.h                              |    1 +
 include/linux/irqchip/arm-gic-its.h              |   68 +++
 include/linux/irqdomain.h                        |    2 +-
 include/linux/mbi.h                              |   77 +++
 include/linux/msi.h                              |    1 +
 kernel/irq/chip.c                                |   12 +-
 kernel/irq/msi.c                                 |   22 +-
 12 files changed, 818 insertions(+), 54 deletions(-)
 create mode 100755 Documentation/devicetree/bindings/arm/mbigen.txt
 mode change 100644 => 100755 drivers/irqchip/Kconfig
 mode change 100644 => 100755 drivers/irqchip/Makefile
 mode change 100644 => 100755 drivers/irqchip/irq-gic-v3-its.c
 create mode 100755 drivers/irqchip/irq-mbigen.c
 create mode 100755 include/linux/irqchip/arm-gic-its.h
 create mode 100644 include/linux/mbi.h
 mode change 100644 => 100755 include/linux/msi.h
 mode change 100644 => 100755 kernel/irq/msi.c

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