linux-kernel - Re: [PATCH 08/12] net: stmmac: Add glue layer for StarFive JH7100 SoC

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Date:   Tue, 14 Feb 2023 20:12:36 +0200
From:   Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Emil Renner Berthing <kernel@...il.dk>,
        Conor Dooley <conor@...nel.org>,
        Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Giuseppe Cavallaro <peppe.cavallaro@...com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Jose Abreu <joabreu@...opsys.com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Richard Cochran <richardcochran@...il.com>,
        Sagar Kadam <sagar.kadam@...ive.com>,
        Yanhong Wang <yanhong.wang@...rfivetech.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        netdev@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-stm32@...md-mailman.stormreply.com,
        linux-arm-kernel@...ts.infradead.org, kernel@...labora.com
Subject: Re: [PATCH 08/12] net: stmmac: Add glue layer for StarFive JH7100 SoC

On 2/13/23 11:26, Krzysztof Kozlowski wrote:
> On 11/02/2023 04:18, Cristian Ciocaltea wrote:
>> From: Emil Renner Berthing <kernel@...il.dk>
>>
>> This adds a glue layer for the Synopsys DesignWare MAC IP core on the
>> StarFive JH7100 SoC.
>>
>> Signed-off-by: Emil Renner Berthing <kernel@...il.dk>
>> [drop references to JH7110, update JH7100 compatible string]
>> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@...labora.com>
>> ---
>>   MAINTAINERS                                   |   1 +
>>   drivers/net/ethernet/stmicro/stmmac/Kconfig   |  12 ++
>>   drivers/net/ethernet/stmicro/stmmac/Makefile  |   1 +
>>   .../ethernet/stmicro/stmmac/dwmac-starfive.c  | 155 ++++++++++++++++++
>>   4 files changed, 169 insertions(+)
>>   create mode 100644 drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index d48468b81b94..defedaff6041 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -19820,6 +19820,7 @@ STARFIVE DWMAC GLUE LAYER
>>   M:	Emil Renner Berthing <kernel@...il.dk>
>>   S:	Maintained
>>   F:	Documentation/devicetree/bindings/net/starfive,jh7100-dwmac.yaml
>> +F:	drivers/net/ethernet/stmicro/stmmac/dwmac-starfive.c
>>   
>>   STARFIVE JH7100 CLOCK DRIVERS
>>   M:	Emil Renner Berthing <kernel@...il.dk>
>> diff --git a/drivers/net/ethernet/stmicro/stmmac/Kconfig b/drivers/net/ethernet/stmicro/stmmac/Kconfig
>> index f77511fe4e87..2c81aa594291 100644
>> --- a/drivers/net/ethernet/stmicro/stmmac/Kconfig
>> +++ b/drivers/net/ethernet/stmicro/stmmac/Kconfig
>> @@ -165,6 +165,18 @@ config DWMAC_SOCFPGA
>>   	  for the stmmac device driver. This driver is used for
>>   	  arria5 and cyclone5 FPGA SoCs.
>>   
>> +config DWMAC_STARFIVE
>> +	tristate "StarFive DWMAC support"
> 
> Bring only one driver.
> 
> https://lore.kernel.org/all/20230118061701.30047-6-yanhong.wang@starfivetech.com/

Already mentioned in the cover letter that we have this overlap (will be 
merged into a single driver).

Thanks,
Cristian

> 
> Best regards,
> Krzysztof
> 
>