linux-kernel - Re: [PATCH 3/3] ARM: dts: at91: sama5d2: use sama5d2 compatible string for SMC

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Date:   Tue, 11 Jul 2017 09:52:58 +0200
From:   Nicolas Ferre <nicolas.ferre@...rochip.com>
To:     Ludovic Desroches <ludovic.desroches@...rochip.com>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-mtd@...ts.infradead.org>
CC:     <linux-kernel@...r.kernel.org>, <lee.jones@...aro.org>,
        <alexandre.belloni@...e-electrons.com>,
        <boris.brezillon@...e-electrons.com>, <computersforpeace@...il.com>
Subject: Re: [PATCH 3/3] ARM: dts: at91: sama5d2: use sama5d2 compatible
 string for SMC

On 11/07/2017 at 09:40, Ludovic Desroches wrote:
> A new compatible string has been introduced for sama5d2 SMC to allow to
> manage the registers mapping change.
> 
> Signed-off-by: Ludovic Desroches <ludovic.desroches@...rochip.com>
> ---
>  arch/arm/boot/dts/sama5d2.dtsi | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/sama5d2.dtsi b/arch/arm/boot/dts/sama5d2.dtsi
> index 4fcd5bb219e3..60e69aeacbdb 100644
> --- a/arch/arm/boot/dts/sama5d2.dtsi
> +++ b/arch/arm/boot/dts/sama5d2.dtsi
> @@ -1048,7 +1048,7 @@
>  			};
>  
>  			hsmc: hsmc@...14000 {
> -				compatible = "atmel,sama5d3-smc", "syscon", "simple-mfd";
> +				compatible = "atmel,sama5d2-smc", "syscon", "simple-mfd";

You'd better use something like:
 compatible = "atmel,sama5d2-smc", "atmel,sama5d3-smc", "syscon", "simple-mfd";

So that this patch is independent from the rest of the series and
we can avoid to having to synchronize with mfd or mtd/nand for this part.

Regards,

>  				reg = <0xf8014000 0x1000>;
>  				interrupts = <17 IRQ_TYPE_LEVEL_HIGH 6>;
>  				clocks = <&hsmc_clk>;
> 


-- 
Nicolas Ferre