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Mainline Linux tree for various devices, only for fun :)
39fd0547ee
Use the glue layer's functions to convert the dma_addr_t to and from CPPI5 address (with the ASEL bits), which should be used within the descriptors and data buffers. - Per channel coherency support The DMAs use the 'ASEL' bits to select data and configuration fetch path. The ASEL bits are placed at the unused parts of any address field used by the DMAs (pointers to descriptors, addresses in descriptors, ring base addresses). The ASEL is not part of the address (the DMAs can address 48bits). Individual channels can be configured to be coherent (via ACP port) or non coherent individually by configuring the ASEL to appropriate value. [1] https://lore.kernel.org/patchwork/cover/1350756/ Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Co-developed-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com> Signed-off-by: Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by: Jakub Kicinski <kuba@kernel.org> |
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| drivers | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| 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 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.