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

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Date:   Thu, 14 Sep 2017 17:16:12 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Oleksij Rempel <ore@...gutronix.de>
Cc:     linux-mtd@...ts.infradead.org,
        Oleksij Rempel <o.rempel@...gutronix.de>,
        Dinh Nguyen <dinguyen@...nel.org>,
        Cyrille Pitchen <cyrille.pitchen@...ev4u.fr>,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <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.


2017-09-14 17:04 GMT+09:00 Oleksij Rempel <ore@...gutronix.de>:
> Hi,
>
> i assume arch/arm/boot/dts/socfpga.dtsi should be update as well. Right?

I think so.
(also arch/arm/boot/dts/socfpga_arria10.dtsi in the same way)

The wrong property "dma-mask" was removed by
commit 60d920d32ca40660e382cf9ccbc236599a49e607.



> 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>;
>>   };
>>
> --
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-- 
Best Regards
Masahiro Yamada