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The core is reset both in `fec_restart()` (called on link-up) and `fec_stop()` (going to sleep, driver remove etc.). These two functions had their separate implementations, which was at first only a register write and a `udelay()` (and the accompanying block comment). However, since then we got soft-reset (MAC disable) and Wake-on-LAN support, which meant that these implementations diverged, often causing bugs. For instance, as of now, `fec_stop()` does not check for `FEC_QUIRK_NO_HARD_RESET`, meaning the MII/RMII mode is cleared on eg. a PM power-down event; and `fec_restart()` missed the refactor renaming the "magic" constant `1` to `FEC_ECR_RESET`. To harmonize current implementations, and eliminate this source of potential future bugs, refactor implementation to a common function. Reviewed-by: Michal Swiatkowski <michal.swiatkowski@linux.intel.com> Reviewed-by: Jacob Keller <jacob.e.keller@intel.com> Reviewed-by: Simon Horman <horms@kernel.org> Signed-off-by: Csókás, Bence <csokas.bence@prolan.hu> Link: https://patch.msgid.link/20250207121255.161146-2-csokas.bence@prolan.hu Signed-off-by: Paolo Abeni <pabeni@redhat.com> |
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| 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 | ||
| .clippy.toml | ||
| .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.