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75ee07b03f
First, introduce struct rtw89_sub_entity for chanctx related stuffs. Second, add enum rtw89_sub_entity_idx to rtw89_vif for vif operation to access its/right chanctx stuffs after future multi-channel support. Besides, RTW89_SUB_ENTITY_0 is the default chanctx entry throughout driver, i.e. it's used for things which may not have a target chanctx yet. So, we need to ensure that RTW89_SUB_ENTITY_0 is always working. If there is at least one alive chanctx, then one of them must take RTW89_SUB_ENTITY_0. If no alive chanctx, RTW89_SUB_ENTITY_0 will be filled by rtw89_config_default_chandef(). 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/20221129083130.45708-7-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.