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From: Kalle Valo <kvalo@kernel.org>
To: Jeff Johnson <quic_jjohnson@quicinc.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,  "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>,  <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>
Subject: Re: [PATCH RFC v2 0/4] wifi: ath10k: support board-specific
 firmware overrides
References: <20240306-wcn3990-firmware-path-v2-0-f89e98e71a57@linaro.org>
	<CAA8EJprpmC6+ePxw_G6y9YEszndq1VonS1HP=aP9OVHNm42LLw@mail.gmail.com>
	<c2bd01d1-8ddf-44b8-b5bc-860cc9754b76@quicinc.com>
Date: Thu, 04 Apr 2024 14:48:19 +0300
In-Reply-To: <c2bd01d1-8ddf-44b8-b5bc-860cc9754b76@quicinc.com> (Jeff
	Johnson's message of "Tue, 2 Apr 2024 16:40:57 -0700")
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Jeff Johnson <quic_jjohnson@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@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?
>> 
> 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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