linux-kernel - Re: How to add multiple example with conflicting includes

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Date:   Tue, 13 Aug 2019 07:44:26 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     robh+dt@...nel.org
Cc:     mark.rutland@....com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Corentin Labbe <clabbe.montjoie@...il.com>
Subject: Re: How to add multiple example with conflicting includes

Hi Rob,

On Fri, Jul 26, 2019 at 08:11:08PM +0200, Corentin Labbe wrote:
> When I try to check the following examples of a devicetree schema:
> examples:
>   - |
>     #include <dt-bindings/interrupt-controller/arm-gic.h>
>     #include <dt-bindings/clock/sun50i-a64-ccu.h>
>     #include <dt-bindings/reset/sun50i-a64-ccu.h>
>
>     crypto: crypto@...5000 {
>       compatible = "allwinner,sun8i-h3-crypto";
>       reg = <0x01c15000 0x1000>;
>       interrupts = <GIC_SPI 94 IRQ_TYPE_LEVEL_HIGH>;
>       clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>;
>       clock-names = "ahb", "mod";
>       resets = <&ccu RST_BUS_CE>;
>       reset-names = "ahb";
>     };
>
>   - |
>     #include <dt-bindings/interrupt-controller/arm-gic.h>
>     #include <dt-bindings/clock/sun50i-h6-ccu.h>
>     #include <dt-bindings/reset/sun50i-h6-ccu.h>
>
>     crypto: crypto@...4000 {
>       compatible = "allwinner,sun50i-h6-crypto";
>       reg = <0x01904000 0x1000>;
>       interrupts = <GIC_SPI 87 IRQ_TYPE_LEVEL_HIGH>;
>       clocks = <&ccu CLK_BUS_CE>, <&ccu CLK_CE>, <&ccu CLK_MBUS_CE>;
>       clock-names = "ahb", "mod", "mbus";
>       resets = <&ccu RST_BUS_CE>;
>       reset-names = "ahb";
>     };
>
> I get:
> In file included from Documentation/devicetree/bindings/crypto/allwinner,sun8i-ce.example.dts:42:
> /linux-next/scripts/dtc/include-prefixes/dt-bindings/clock/sun50i-h6-ccu.h:9: warning: "CLK_PLL_PERIPH0" redefined
>  #define CLK_PLL_PERIPH0  3
> [...]
>
> So how can I add multiple examples which need somes conflicting
> #include to be validated.

I'm having the same issue right now, is there a proper fix /
workaround?

Thanks!
Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com