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U-NII-4 band, i.e 5.9GHz channels, can be supported by chip 8852C, 8852B and 8851B. But, it is not supported by chip 8852A. Flag support_unii4 is added in chip info and defined by chip accordingly to indicate that. We reference this flag of runtime chip to decide whether to register 5.9GHz channels. After that, we consider if U-NII-4 band is allowed by our regulatory rule of U-NII-4. If chip::support_unii4 but not regd::allow_unii4, we stll do not register 5.9GHz channels. Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com> Signed-off-by: Ping-Ke Shih <pkshih@realtek.com> Signed-off-by: Kalle Valo <kvalo@kernel.org> Link: https://lore.kernel.org/r/20230508081211.38760-4-pkshih@realtek.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 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.