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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bjorn Andersson , Konrad Dybcio Cc: ath10k@lists.infradead.org, linux-wireless@vger.kernel.org, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org X-Mailer: b4 0.12.4 X-Developer-Signature: v=1; a=openpgp-sha256; l=1851; i=dmitry.baryshkov@linaro.org; h=from:subject:message-id; bh=TEQ8jOOdW9C4N7DptJHsfbYzZqm7WAXOuWhzqtkfQ4g=; b=owEBbQGS/pANAwAKAYs8ij4CKSjVAcsmYgBluSYO7h0IJF2XRBtVVaNpejrj5YPDtGDzKL1ng gAQs3MfnwCJATMEAAEKAB0WIQRMcISVXLJjVvC4lX+LPIo+Aiko1QUCZbkmDgAKCRCLPIo+Aiko 1RpTCACUEZvuDID4NMQkqH7mn816sf4Yr1B4k8eDltq6lnf/fTK35CVPNEjyL2Kyb+k0jk2AlFP 50e3rEmqQW6MZtNR4Rw7b99V58k+O0PrFa9dU4KgxPNT9v3/GXCFmkAY14ACjOP4HVdosMbu4hI +3+Hrk9wMHO9TXI2lcjKmbw7gNw6nerBRT3pKtadBOr9A9BIKaINBzhQXqv9tZOpbA8vNDOPQ9T xB2sOQ9JWGTURgOdRfGFI7AITGnqFjghSBPB4f285X69iqsmwgfYdiZs0Vbwy67uTxGYD4/xJfO z5oo1v21xX/SbpkPRtqSKUFdeTtJk/NVUmqQtB04V4lJlJcP X-Developer-Key: i=dmitry.baryshkov@linaro.org; a=openpgp; fpr=8F88381DD5C873E4AE487DA5199BF1243632046A 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 Acked-by: Krzysztof Kozlowski --- 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 .../devicetree/bindings/net/wireless/qcom,ath10k.yaml | 6 ++++++ arch/arm64/boot/dts/qcom/qrb2210-rb1.dts | 1 + arch/arm64/boot/dts/qcom/qrb4210-rb2.dts | 1 + drivers/net/wireless/ath/ath10k/core.c | 11 ++++++++++- drivers/net/wireless/ath/ath10k/core.h | 2 ++ drivers/net/wireless/ath/ath10k/snoc.c | 3 +++ 6 files changed, 23 insertions(+), 1 deletion(-) --- base-commit: 596764183be8ebb13352b281a442a1f1151c9b06 change-id: 20240130-wcn3990-firmware-path-7a05a0cf8107 Best regards,