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[ Upstream commit55b5ee3357] The number of spatial streams used when acting as a beamformee in VHT mode are reported by the firmware as 7 (8 sts - 1) both in IPQ6018 and IPQ8074 which respectively have 2 and 4 sts each. So the firmware should report 1 (2 - 1) and 3 (4 - 1). Fix this by checking that the number of VHT beamformee sts reported by the firmware is not greater than the number of receiving antennas - 1. The fix is based on the same approach used in this same function for sanitizing the number of sounding dimensions reported by the firmware. Without this change, acting as a beamformee in VHT mode is not working properly. Tested-on: IPQ6018 hw1.0 AHB WLAN.HK.2.5.0.1-01208-QCAHKSWPL_SILICONZ-1 Tested-on: IPQ8074 hw2.0 AHB WLAN.HK.2.5.0.1-01208-QCAHKSWPL_SILICONZ-1 Fixes:d5c65159f2("ath11k: driver for Qualcomm IEEE 802.11ax devices") Signed-off-by: Jesus Fernandez Manzano <jesus.manzano@galgus.net> Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> Link: https://lore.kernel.org/r/20220616173947.21901-1-jesus.manzano@galgus.net Signed-off-by: Sasha Levin <sashal@kernel.org>
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.