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Message-ID: <bd95ab0c-402b-0914-0d3f-5309a63d8eea@linaro.org>
Date:   Mon, 12 Jun 2023 10:42:00 +0200
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Subject: Re: [PATCH v2] dt-bindings: net: wireless: ath10k: add
 ieee80211-freq-limit property
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To:     Christian Lamparter <chunkeey@gmail.com>,
        devicetree@vger.kernel.org, linux-wireless@vger.kernel.org,
        ath10k@lists.infradead.org
Cc:     kvalo@kernel.org, conor+dt@kernel.org,
        krzysztof.kozlowski+dt@linaro.org, robh+dt@kernel.org
References: <288fc9a0db6c292bc132e828611c41785b075078.1686486461.git.chunkeey@gmail.com>
 <c33c928b7c6c9bb4e7abe84eb8df9f440add275b.1686486464.git.chunkeey@gmail.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <c33c928b7c6c9bb4e7abe84eb8df9f440add275b.1686486464.git.chunkeey@gmail.com>
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On 11/06/2023 14:37, Christian Lamparter wrote:
> This is an existing optional property that ieee80211.yaml/cfg80211
> provides. It's useful to further restrict supported frequencies
> for a specified device through device-tree.
> 
> For testing the addition, I added the ieee80211-freq-limit
> property with values from an OpenMesh A62 device. This is
> because the OpenMesh A62 has "special filters in front of
> the RX+TX paths to the 5GHz PHYs. These filtered channel
> can in theory still be used by the hardware but the signal
> strength is reduced so much that it makes no sense."
> 
> The driver supported this since ~2018 by
> commit 34d5629d2ca8 ("ath10k: limit available channels via DT ieee80211-freq-limit")
> 
> Link: https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=e3b8ae2b09e137ce2eae33551923daf302293a0c
> Signed-off-by: Christian Lamparter <chunkeey@gmail.com>


Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof