netdev - Re: [PATCH V3 net-next 0/7] ARM: Enable GENET support for RPi 4

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Date:   Sun, 10 Nov 2019 12:26:59 -0800
From:   Florian Fainelli <f.fainelli@...il.com>
To:     Stefan Wahren <wahrenst@....net>,
        Matthias Brugger <matthias.bgg@...nel.org>,
        Matthias Brugger <mbrugger@...e.com>,
        "David S . Miller" <davem@...emloft.net>,
        Florian Fainelli <f.fainelli@...il.com>
Cc:     Eric Anholt <eric@...olt.net>,
        Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Doug Berger <opendmb@...il.com>, netdev@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH V3 net-next 0/7] ARM: Enable GENET support for RPi 4

Hi David,

On 11/9/2019 11:00 AM, Stefan Wahren wrote:
> Raspberry Pi 4 uses the broadcom genet chip in version five.
> This chip has a dma controller integrated. Up to now the maximal
> burst size was hard-coded to 0x10. But it turns out that Raspberry Pi 4
> does only work with the smaller maximal burst size of 0x8.
> 
> This series based on Matthias Brugger's V1 series [1].
> 
> [1] - https://patchwork.kernel.org/cover/11186193/
> 
> Changes in V3:
> - introduce SoC-specific compatibles for GENET (incl. dt-binding)
> - use platform_get_irq_optional for optional IRQ
> - remove Fixes tag from IRQ error handling change
> - move most of MDIO stuff to bcm2711.dtsi
> 
> Changes in V2:
> - add 2 fixes for IRQ retrieval
> - add support for missing PHY modes
> - declare PHY mode RGMII RXID based on the default settings
> - add alias to allow firmware append the MAC address

Do you want to merge patches 1-6 through net-next and I will take patch
7 through the Broadcom ARM SoC pull request since this depends on the
Device Tree files being present?

> 
> Stefan Wahren (7):
>   net: bcmgenet: Avoid touching non-existent interrupt
>   net: bcmgenet: Fix error handling on IRQ retrieval
>   dt-bindings: net: bcmgenet: Add BCM2711 support
>   net: bcmgenet: Add BCM2711 support
>   net: bcmgenet: Refactor register access in bcmgenet_mii_config
>   net: bcmgenet: Add RGMII_RXID and RGMII_ID support
>   ARM: dts: bcm2711-rpi-4: Enable GENET support
> 
>  .../devicetree/bindings/net/brcm,bcmgenet.txt      |  2 +-
>  arch/arm/boot/dts/bcm2711-rpi-4-b.dts              | 17 +++++
>  arch/arm/boot/dts/bcm2711.dtsi                     | 26 ++++++++
>  drivers/net/ethernet/broadcom/genet/bcmgenet.c     | 74 ++++++++++++++++++----
>  drivers/net/ethernet/broadcom/genet/bcmgenet.h     |  1 +
>  drivers/net/ethernet/broadcom/genet/bcmmii.c       | 51 ++++++++-------
>  6 files changed, 133 insertions(+), 38 deletions(-)
> 
> --
> 2.7.4
> 

-- 
Florian