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The EHT PHY requirements state that 80 MHz must be supported on the 5 and 6 GHz bands unless the STA is 20 MHz only. So if the channel width is limited to 40 MHz on a band other than 2.4 GHz, then disable EHT and downgrade to HE. The primary case where this can happen is if the hardware disables puncturing using IEEE80211_HW_DISALLOW_PUNCTURING. Signed-off-by: Benjamin Berg <benjamin.berg@intel.com> Cc: stable@vger.kernel.org Reviewed-by: Johannes Berg <johannes.berg@intel.com> Signed-off-by: Miri Korenblit <miriam.rachel.korenblit@intel.com> Link: https://patch.msgid.link/20250826202553.a6582f3abf57.Ic670429dc7127f68c818b4290d950ebfb5a0b9e1@changeid Signed-off-by: Johannes Berg <johannes.berg@intel.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.