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04aa999eb9
PolarFire SoC may be configured in a way that requires non-coherent DMA handling. On RISC-V, buses are coherent by default & the dma-noncoherent property is required to denote buses or devices that are non-coherent. Link: https://lore.kernel.org/r/20241011140043.1250030-4-daire.mcnamara@microchip.com Signed-off-by: Conor Dooley <conor.dooley@microchip.com> Signed-off-by: Daire McNamara <daire.mcnamara@microchip.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> Acked-by: Rob Herring <robh@kernel.org>
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 reStructuredText 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.