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Radhey Shyam Pandey says: ==================== net: axienet: Introduce dmaengine The axiethernet driver can use the dmaengine framework to communicate with the xilinx DMAengine driver(AXIDMA, MCDMA). The inspiration behind this dmaengine adoption is to reuse the in-kernel xilinx dma engine driver[1] and remove redundant dma programming sequence[2] from the ethernet driver. This simplifies the ethernet driver and also makes it generic to be hooked to any complaint dma IP i.e AXIDMA, MCDMA without any modification. The dmaengine framework was extended for metadata API support during the axidma RFC[3] discussion. However, it still needs further enhancements to make it well suited for ethernet usecases. Comments, suggestions, thoughts to implement remaining functional features are very welcome! [1]: https://github.com/torvalds/linux/blob/master/drivers/dma/xilinx/xilinx_dma.c [2]: https://github.com/torvalds/linux/blob/master/drivers/net/ethernet/xilinx/xilinx_axienet_main.c#L238 [3]: http://lkml.iu.edu/hypermail/linux/kernel/1804.0/00367.html [4]: https://lore.kernel.org/all/20221124102745.2620370-1-sarath.babu.naidu.gaddam@amd.com ==================== Link: https://lore.kernel.org/r/1700074613-1977070-1-git-send-email-radhey.shyam.pandey@amd.com Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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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.