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f0a1ab65d9
The TI k3-j721s2 platform does not allow us to use uncached memory (which is what the driver currently does) without disabling cache snooping on the AXI ACE-Lite interface, which would be too much of a performance hit. Given the platform is dma-coherent, we can simply force all device-accessible memory allocations through the CPU cache. In fact, this can be done whenever the dma_coherent attribute is present. Reviewed-by: Frank Binns <frank.binns@imgtec.com> Link: https://lore.kernel.org/r/20250410-sets-bxs-4-64-patch-v1-v6-15-eda620c5865f@imgtec.com Signed-off-by: Matt Coster <matt.coster@imgtec.com>
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.