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All Rockchip GMAC variants typically write to GRF regs to control e.g. interface mode, speed and MAC rx/tx delay. Newer SoCs such as RK3576 and RK3588 use a mix of GRF and peripheral GRF regs. These syscon regmaps is located with help of a rockchip,grf and rockchip,php-grf phandle. However, validating the rockchip,grf and rockchip,php-grf syscon regmap is deferred until e.g. interface mode or speed is configured, inside the individual SoC specific operations. Change to validate the rockchip,grf and rockchip,php-grf syscon regmap at probe time to simplify all SoC specific operations. This should not introduce any backward compatibility issues as all GMAC nodes have been added together with a rockchip,grf phandle (and rockchip,php-grf where required) in their initial commit. Signed-off-by: Jonas Karlman <jonas@kwiboo.se> Reviewed-by: Simon Horman <horms@kernel.org> Link: https://patch.msgid.link/20250308213720.2517944-3-jonas@kwiboo.se Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com> Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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.