linux-kernel - Re: [PATCH v5 19/22] sh: IO-DATA HDL-U (a.k.a landisk) IRQCHIP driver

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Message-ID: <20160711140212.GA21332@rob-hp-laptop>
Date:	Mon, 11 Jul 2016 09:02:12 -0500
From:	Rob Herring <robh@...nel.org>
To:	Yoshinori Sato <ysato@...rs.sourceforge.jp>
Cc:	devicetree@...r.kernel.org, linux-sh@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 19/22] sh: IO-DATA HDL-U (a.k.a landisk) IRQCHIP driver

On Mon, Jul 04, 2016 at 01:46:39AM +0900, Yoshinori Sato wrote:
> Signed-off-by: Yoshinori Sato <ysato@...rs.sourceforge.jp>
> ---
>  .../interrupt-controller/iodata-landisk.txt        | 31 ++++++++++
>  drivers/irqchip/Makefile                           |  2 +-
>  drivers/irqchip/irq-io-landisk.c                   | 72 ++++++++++++++++++++++
>  3 files changed, 104 insertions(+), 1 deletion(-)
>  create mode 100644 Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt
>  create mode 100644 drivers/irqchip/irq-io-landisk.c
> 
> diff --git a/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt
> new file mode 100644
> index 0000000..cf461dc
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/interrupt-controller/iodata-landisk.txt
> @@ -0,0 +1,31 @@
> +DT bindings for the I/O DATA HDL-U interrupt controller
> +
> +Required properties:
> +
> +  - compatible: has to be "iodata,landisk-intc".
> +
> +  - reg: Base address and length of interrupt controller register.
> +
> +  - #interrupt-cells: has to be <1>: an interrupt index.
> +
> +  - #address-cells: has to be <0>
> +
> +  - interrupt-map: Interrupt mapping on parent controller.
> +
> +Example
> +-------
> +
> +	cpldintc: cpld@...00000 {
> +		compatible = "iodata,landisk-intc";
> +		#interrupt-cells = <1>;
> +		#address-cells = <0>;
> +		reg = <0xb0000000 8>;
> +		interrupt-map=<0 &shintc evt2irq(0x2a0)>,

What is evt2irq? We only allow simple defines for DT files, not complex 
macros.

Spaces around the '=' also needed.

> +		              <1 &shintc evt2irq(0x2c0)>,
> +		              <2 &shintc evt2irq(0x2e0)>,
> +			      <3 &shintc evt2irq(0x300)>,
> +		              <4 &shintc evt2irq(0x320)>,
> +			      <5 &shintc evt2irq(0x340)>,
> +		              <6 &shintc evt2irq(0x360)>,
> +			      <7 &shintc evt2irq(0x380)>;
> +	};