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Cover: Support mbigen msi interrupt controller

PATCH Superseded majun (F) 2 participants 2 messages May 30, 2015

v1 of 10 Superseded Latest is v10 →

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majun (F)

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#0 lore raw

cover 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
#1 lore raw
Quoted 1 line · majun (F)

This patch set is applied to supprot the mbigen device.

[]

Quoted 9 lines
 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

None of these should be executable

All of them should be 644