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8d4fb3998c
Realtek chips can program a specific country domain on efuse to indicate what is the expected rtw_regulatory. For chips with a programmed country domain, we set REGULATORY_STRICT_REG to tell stack to consider follow-up regulatory_hint() as the superset of our regulatory rule. Besides, on driver side, only the request via NL80211_REGDOM_SET_BY_DRIVER, which matches programmed country domain, will be handled to keep rtw_regulatory unchanged. For worldwide roaming chips, i.e. ones without a specific programmed country domain, system of distro can set expected regulatory via NL80211_REGDOM_SET_BY_USER. With setting from it, rtw_regulatory will handle the requests only via NL80211_REGDOM_SET_BY_USER to follow setting from system of distro. REGULATORY_COUNTRY_IE_IGNORE will then be set to tell stack to ignore country IE for us. The restrictions mentioned above will remain until 00, i.e. worldwide, is set via NL80211_REGDOM_SET_BY_USER. On the other hand, for worldwide roamin chips, if there is no specific regulatory set via NL80211_REGDOM_SET_BY_USER, requests from all regulatory notifications will be handled by rtw_regulatory. And REGULATORY_COUNTRY_IE_IGNORE won't be set. 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@codeaurora.org> Link: https://lore.kernel.org/r/20210830072014.12250-3-pkshih@realtek.com |
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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.