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cb467c4511
Current behavior splits the buffer/sg in n * STM32_DMA3_MAX_BLOCK_SIZE + 1 for the remainder without optimization. New behavior splits the buffer/sg in n * STM32_DMA3_MAX_BLOCK_SIZE + 1 for (x * chan->max_burst) + 1 for the remainder. Depending on channel FIFO size, optimal double-word (word if only 8-byte FIFO size) bursts can be programmed before managing the very last remainder with lower data width. In case of _prep_slave_sg, and depending on the channel Transfer Complete event configuration, the user is warned about the refactored linked-list, not having the same items count than the initial sg_list. This warning is shown only if the configuration is successful. Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com> Link: https://lore.kernel.org/r/20241016-dma3-mp25-updates-v3-3-8311fe6f228d@foss.st.com Signed-off-by: Vinod Koul <vkoul@kernel.org> |
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| certs | ||
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| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
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| rust | ||
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| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
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| Makefile | ||
| 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.