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Stefan Wahren says: ==================== ARM: Enable GENET support for RPi 4 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. Additionally the patch series has some IRQ retrieval improvements and adds support for a missing PHY mode. This series based on Matthias Brugger's V1 series [1]. [1] - https://patchwork.kernel.org/cover/11186193/ Changes in V5: - address Doug's comment Changes in V4: - rebased on current net-next - remove RGMII_ID support - remove fixes tag from patch 1 - add Florian's suggestions to patch 5 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 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.