linux-kernel - Re: [PATCH] dt-bindings: nand: denali: reduce the register space in the example

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Message-ID: <3c17c272-40ec-4eeb-0dc3-59a64400e6f8@pengutronix.de>
Date:   Thu, 14 Sep 2017 10:04:32 +0200
From:   Oleksij Rempel <ore@...gutronix.de>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-mtd@...ts.infradead.org
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Subject: Re: [PATCH] dt-bindings: nand: denali: reduce the register space in
 the example

Hi,

i assume arch/arm/boot/dts/socfpga.dtsi should be update as well. Right?

On 14.09.2017 09:17, Masahiro Yamada wrote:
> This example allocates too much for register regions.  Especially,
> there are only two registers in the "nand_data" interface of this
> hardware (ADDR: 0x00, DATA: 0x10).
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
> ---
> 
>   Documentation/devicetree/bindings/mtd/denali-nand.txt | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/mtd/denali-nand.txt b/Documentation/devicetree/bindings/mtd/denali-nand.txt
> index 504291d..0ee8edb 100644
> --- a/Documentation/devicetree/bindings/mtd/denali-nand.txt
> +++ b/Documentation/devicetree/bindings/mtd/denali-nand.txt
> @@ -29,7 +29,7 @@ nand: nand@...00000 {
>   	#address-cells = <1>;
>   	#size-cells = <1>;
>   	compatible = "altr,socfpga-denali-nand";
> -	reg = <0xff900000 0x100000>, <0xffb80000 0x10000>;
> +	reg = <0xff900000 0x20>, <0xffb80000 0x1000>;
>   	reg-names = "nand_data", "denali_reg";
>   	interrupts = <0 144 4>;
>   };
>