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The IP core has a TX event FIFO. In other IP cores, this type of FIFO usually contains the events that a CAN frame has been successfully sent. However, the IP core on the rk3568v2 the FIFO also holds events of unsuccessful transmission attempts. It turned out that the best way to work around this problem is to set the IP core to self-receive mode (RXSTX), filter out the self-received frames and insert them into the complete TX path. Add a pair new functions to check if 2 struct canfd_frame are equal. The 1st checks if the header of the CAN frames are equal, the 2nd checks if the data portion are equal: - rkcanfd_can_frame_header_equal() - rkcanfd_can_frame_data_equal() Tested-by: Alibek Omarov <a1ba.omarov@gmail.com> Acked-by: Heiko Stuebner <heiko@sntech.de> Link: https://patch.msgid.link/20240904-rockchip-canfd-v5-11-8ae22bcb27cc@pengutronix.de Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de> |
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| arch | ||
| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| 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 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.