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ed1a2459e2
A proper External Memory Controller clock rounding and parent selection functionality is required by the EMC drivers, it is not available using the generic clock implementation because only the Memory Controller driver is aware of what clock rates are actually available for a particular device. EMC drivers will have to register a Tegra-specific CLK-API callback which will perform rounding of a requested rate. EMC clock users won't be able to request EMC clock by getting -EPROBE_DEFER until EMC driver is probed and the callback is set up. The functionality is somewhat similar to the clk-emc.c which serves Tegra124+ SoCs. The later HW generations support more parent clock sources and the HW configuration / integration with the EMC drivers differs a tad from the older gens, hence it's not really worth to try to squash everything into a single source file. Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Acked-by: Stephen Boyd <sboyd@kernel.org> Signed-off-by: Thierry Reding <treding@nvidia.com> |
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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 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.