linux-kernel - Re: [PATCH v3] irqchip: uniphier-aidet: add UniPhier AIDET irqchip driver

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Message-ID: <5dfc1478-c558-eb6d-6a82-a9ca23851bcd@arm.com>
Date:   Wed, 23 Aug 2017 09:01:10 +0100
From:   Marc Zyngier <marc.zyngier@....com>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Jason Cooper <jason@...edaemon.net>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        Jassi Brar <jaswinder.singh@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        devicetree@...r.kernel.org, Randy Dunlap <rdunlap@...radead.org>,
        linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Rob Herring <robh+dt@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3] irqchip: uniphier-aidet: add UniPhier AIDET irqchip
 driver

On 23/08/17 02:31, Masahiro Yamada wrote:
> UniPhier SoCs contain AIDET (ARM Interrupt Detector).  This is intended
> to provide additional features that are not covered by GIC.  The main
> purpose is to provide logic inverter to support low level and falling
> edge trigger types for interrupt lines from on-board devices.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
> 
> Changes in v3:
>   - Use irq_domain_create_hierarchy() instead of legacy
>     irq_domain_add_hierarchy()
>   - Add .irq_set_affinity hook
>   - Pass proper trigger type to parent
> 
> Changes in v2:
>   - Use readl/write_relaxed instead of readl/writel
>   - Move val = 0 for code symmetry
>   - .alloc() hook only supports nr_irqs==1 case
>   - Move struct irq_chip to static data because this driver expects
>     only one device instance in the system
>   - Match the interrupt number to SPI of GIC to make DT binding clearer
>     (register offset starts from 0x4)
> 
>  .../socionext,uniphier-aidet.txt                   |  32 +++
>  MAINTAINERS                                        |   1 +
>  drivers/irqchip/Kconfig                            |   8 +
>  drivers/irqchip/Makefile                           |   1 +
>  drivers/irqchip/irq-uniphier-aidet.c               | 261 +++++++++++++++++++++
>  5 files changed, 303 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/socionext,uniphier-aidet.txt
>  create mode 100644 drivers/irqchip/irq-uniphier-aidet.c
Queued for 4.14.

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny...