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References: <20240306-wcn3990-firmware-path-v2-0-f89e98e71a57@linaro.org>
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From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Date: Sat, 30 Mar 2024 06:47:52 +0200
Message-ID: <CAA8EJprpmC6+ePxw_G6y9YEszndq1VonS1HP=aP9OVHNm42LLw@mail.gmail.com>
Subject: Re: [PATCH RFC v2 0/4] wifi: ath10k: support board-specific firmware overrides
To: Kalle Valo <kvalo@kernel.org>, Jeff Johnson <quic_jjohnson@quicinc.com>, 
	"David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, 
	Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, Conor Dooley <conor+dt@kernel.org>, 
	Bjorn Andersson <andersson@kernel.org>, Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, 
	netdev@vger.kernel.org, devicetree@vger.kernel.org, 
	linux-arm-msm@vger.kernel.org, 
	Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Content-Type: text/plain; charset="UTF-8"

On Wed, 6 Mar 2024 at 10:16, Dmitry Baryshkov
<dmitry.baryshkov@linaro.org> wrote:
>
> On WCN3990 platforms actual firmware, wlanmdsp.mbn, is sideloaded to the
> modem DSP via the TQFTPserv. These MBN files are signed by the device
> vendor, can only be used with the particular SoC or device.
>
> Unfortunately different firmware versions come with different features.
> For example firmware for SDM845 doesn't use single-chan-info-per-channel
> feature, while firmware for QRB2210 / QRB4210 requires that feature.
>
> Allow board DT files to override the subdir of the fw dir used to lookup
> the firmware-N.bin file decribing corresponding WiFi firmware.
> For example, adding firmware-name = "qrb4210" property will make the
> driver look for the firmware-N.bin first in ath10k/WCN3990/hw1.0/qrb4210
> directory and then fallback to the default ath10k/WCN3990/hw1.0 dir.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> ---
> Changes in v2:
> - Fixed the comment about the default board name being NULL (Kalle)
> - Expanded commit message to provide examples for firmware paths (Kalle)
> - Added a note regarding board-2.bin to the commit message (Kalle)
> - Link to v1: https://lore.kernel.org/r/20240130-wcn3990-firmware-path-v1-0-826b93202964@linaro.org
>
> ---
> Dmitry Baryshkov (4):
>       dt-bindings: net: wireless: ath10k: describe firmware-name property
>       wifi: ath10k: support board-specific firmware overrides
>       arm64: dts: qcom: qrb2210-rb1: add firmware-name qualifier to WiFi node
>       arm64: dts: qcom: qrb4210-rb1: add firmware-name qualifier to WiFi node

Kalle, Jeff, is there anything pending on me on this series?

-- 
With best wishes
Dmitry