[PATCH RFC v2 0/4] wifi: ath10k: support board-specific firmware overrides

Kalle Valo kvalo at kernel.org
Thu Apr 4 04:48:19 PDT 2024

Jeff Johnson <quic_jjohnson at quicinc.com> writes:

> On 3/29/2024 9:47 PM, Dmitry Baryshkov wrote:
>> On Wed, 6 Mar 2024 at 10:16, Dmitry Baryshkov
>> <dmitry.baryshkov at 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 at 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?
> Nothing from me -- this is outside my area of expertise so I'm deferring to Kalle.

I was on Easter vacation and now catching up, that's why the delay.



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