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c9172fae4b
Currently, in multi-radio wiphy cases, if one radio is operating on a DFS channel, -EBUSY is returned even when a scan is requested on a different radio. Because of this, an MLD AP with one radio (link) on a DFS channel and Automatic Channel Selection (ACS) on another radio (link) cannot be brought up. In multi-radio wiphy cases, multiple radios are grouped under a single wiphy. Hence, if a radio is operating on a DFS channel and a scan is requested on a different radio of the same wiphy, the scan can be allowed simultaneously without impacting the DFS operations. Add logic to check the underlying radio used for the requested scan. If the radio on which DFS is already running is not being used, allow the scan operation; otherwise, return -EBUSY. Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@quicinc.com> Link: https://patch.msgid.link/20250527-mlo-dfs-acs-v2-3-92c2f37c81d9@quicinc.com 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.