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Regarding PTP, ENETC v4 has some changes compared to ENETC v1 (LS1028A), mainly as follows. 1. ENETC v4 uses a different PTP driver, so the way to get phc_index is different from LS1028A. Therefore, enetc_get_ts_info() has been modified appropriately to be compatible with ENETC v1 and v4. 2. The PMa_SINGLE_STEP register has changed in ENETC v4, not only the register offset, but also some register fields. Therefore, two helper functions are added, enetc_set_one_step_ts() for ENETC v1 and enetc4_set_one_step_ts() for ENETC v4. 3. Since the generic helper functions from ptp_clock are used to get the PHC index of the PTP clock, so FSL_ENETC_CORE depends on Kconfig symbol "PTP_1588_CLOCK_OPTIONAL". But FSL_ENETC_CORE can only be selected, so add the dependency to FSL_ENETC, FSL_ENETC_VF and NXP_ENETC4. Perhaps the best approach would be to change FSL_ENETC_CORE to a visible menu entry. Then make FSL_ENETC, FSL_ENETC_VF, and NXP_ENETC4 depend on it, but this is not the goal of this patch, so this may be changed in the future. Signed-off-by: Wei Fang <wei.fang@nxp.com> Reviewed-by: Frank Li <Frank.Li@nxp.com> Link: https://patch.msgid.link/20250829050615.1247468-14-wei.fang@nxp.com Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| .clang-format | ||
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| .cocciconfig | ||
| .editorconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .pylintrc | ||
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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.