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e289df8234
The granularity of DMA mappings is transfer and moreover, the direction is also important as it can be unidirect. The current cur_msg_mapped flag doesn't fit well the DMA mapping and syncing calls and we have tons of checks around on top of it. So, instead of doing that rework the code to use per transfer per direction flag to show if it's DMA mapped or not. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on SM8650-QRD Link: https://lore.kernel.org/r/20240531194723.1761567-9-andriy.shevchenko@linux.intel.com Reviewed-by: Serge Semin <fancer.lancer@gmail.com> Tested-by: Nícolas F. R. A. Prado <nfraprado@collabora.com> Signed-off-by: Mark Brown <broonie@kernel.org> |
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| include | ||
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| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
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| README | ||
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.