linux-kernel - [PATCH v1 0/3] This series adds ethernet support for RPi4.

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Message-Id: <20191011184822.866-1-matthias.bgg@kernel.org>
Date:   Fri, 11 Oct 2019 20:48:18 +0200
From:   matthias.bgg@...nel.org
To:     Florian Fainelli <f.fainelli@...il.com>,
        "David S . Miller" <davem@...emloft.net>
Cc:     Nicolas Saenz Julienne <nsaenzjulienne@...e.de>,
        Matthias Brugger <matthias.bgg@...nel.org>,
        linux-rpi-kernel@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org,
        Stefan Wahren <wahrenst@....net>,
        Matthias Brugger <mbrugger@...e.com>,
        Doug Berger <opendmb@...il.com>, Eric Anholt <eric@...olt.net>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>,
        bcm-kernel-feedback-list@...adcom.com, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, netdev@...r.kernel.org
Subject: [PATCH v1 0/3] This series adds ethernet support for RPi4.

From: Matthias Brugger <mbrugger@...e.com>

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 adds a new optional property to the driver, dma-burst-sz.
The very same property is already used by another drivers in the kernel.


Matthias Brugger (3):
  dt-bindings: net: bcmgenet add property for max DMA burst size
  net: bcmgenet: use optional max DMA burst size property
  ARM: dts: bcm2711: Enable GENET support for the RPi4

 .../devicetree/bindings/net/brcm,bcmgenet.txt |  2 ++
 arch/arm/boot/dts/bcm2711-rpi-4-b.dts         | 22 +++++++++++++++++++
 arch/arm/boot/dts/bcm2711.dtsi                | 18 +++++++++++++++
 .../net/ethernet/broadcom/genet/bcmgenet.c    | 13 +++++++++--
 .../net/ethernet/broadcom/genet/bcmgenet.h    |  1 +
 5 files changed, 54 insertions(+), 2 deletions(-)

-- 
2.23.0