netdev - Re: [PATCH v4 6/7] riscv: dts: starfive: jh7110: Add ethernet device node

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Date:   Fri, 3 Feb 2023 11:14:56 +0800
From:   yanhong wang <yanhong.wang@...rfivetech.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        <linux-riscv@...ts.infradead.org>, <netdev@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
CC:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Emil Renner Berthing <kernel@...il.dk>,
        Richard Cochran <richardcochran@...il.com>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Peter Geis <pgwipeout@...il.com>
Subject: Re: [PATCH v4 6/7] riscv: dts: starfive: jh7110: Add ethernet device
 node



On 2023/1/18 23:51, Krzysztof Kozlowski wrote:
> On 18/01/2023 07:17, Yanhong Wang wrote:
>> Add JH7110 ethernet device node to support gmac driver for the JH7110
>> RISC-V SoC.
>> 
>> Signed-off-by: Yanhong Wang <yanhong.wang@...rfivetech.com>
>> ---
>>  arch/riscv/boot/dts/starfive/jh7110.dtsi | 93 ++++++++++++++++++++++++
>>  1 file changed, 93 insertions(+)
>> 
>> diff --git a/arch/riscv/boot/dts/starfive/jh7110.dtsi b/arch/riscv/boot/dts/starfive/jh7110.dtsi
>> index c22e8f1d2640..c6de6e3b1a25 100644
>> --- a/arch/riscv/boot/dts/starfive/jh7110.dtsi
>> +++ b/arch/riscv/boot/dts/starfive/jh7110.dtsi
>> @@ -433,5 +433,98 @@
>>  			reg-shift = <2>;
>>  			status = "disabled";
>>  		};
>> +
>> +		stmmac_axi_setup: stmmac-axi-config {
> 
> Why your bindings example is different?
> 

There are two gmacs on the StarFive VF2 board, and the two
gmacs use the same configuration on axi, so the 
stmmac_axi_setup is independent, which is different
from the bindings example.


> Were the bindings tested? Ahh, no they were not... Can you send only
> tested patches?
> 
> Was this tested?
> 
Yes, the bindings have been tested on the StarFive VF2 board and work normally.

>> +			snps,lpi_en;
>> +			snps,wr_osr_lmt = <4>;
>> +			snps,rd_osr_lmt = <4>;
>> +			snps,blen = <256 128 64 32 0 0 0>;
>> +		};
>> +
> 
> Best regards,
> Krzysztof
>