linux-kernel - Re: [PATCH v2 09/22] wifi: ath12k: avoid m3 firmware download in AHB device IPQ5332

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Message-ID: <4961d425-b660-4dac-8744-36d69993d1e1@oss.qualcomm.com>
Date: Fri, 18 Oct 2024 22:00:36 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>, ath12k@...ts.infradead.org
Cc: linux-wireless@...r.kernel.org, Kalle Valo <kvalo@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Jeff Johnson <jjohnson@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Balamurugan S <quic_bselvara@...cinc.com>,
        P Praneesh <quic_ppranees@...cinc.com>
Subject: Re: [PATCH v2 09/22] wifi: ath12k: avoid m3 firmware download in AHB
 device IPQ5332

On 15.10.2024 8:26 PM, Raj Kumar Bhagat wrote:
> From: Balamurugan S <quic_bselvara@...cinc.com>
> 
> Current ath12k devices, QCN9274 and WCN7850, supports m3.bin firmware
> download through ath12k driver. The new ath12k AHB based device
> IPQ5332 supports m3 firmware download through remoteproc driver.
> 
> Hence, add new parameter (m3_fw_support) in ath12k_hw_params to avoid
> m3 firmware download in IPQ5332.
> 
> Tested-on: IPQ5332 hw1.0 AHB WLAN.WBE.1.3.1-00130-QCAHKSWPL_SILICONZ-1
> Tested-on: QCN9274 hw2.0 PCI WLAN.WBE.1.1.1-00210-QCAHKSWPL_SILICONZ-1
> 
> Signed-off-by: Balamurugan S <quic_bselvara@...cinc.com>
> Co-developed-by: P Praneesh <quic_ppranees@...cinc.com>
> Signed-off-by: P Praneesh <quic_ppranees@...cinc.com>
> Signed-off-by: Raj Kumar Bhagat <quic_rajkbhag@...cinc.com>
> ---
>  drivers/net/wireless/ath/ath12k/hw.c  |  8 ++++++++
>  drivers/net/wireless/ath/ath12k/hw.h  |  2 ++
>  drivers/net/wireless/ath/ath12k/qmi.c | 28 ++++++++++++++++-----------
>  3 files changed, 27 insertions(+), 11 deletions(-)
> 
> diff --git a/drivers/net/wireless/ath/ath12k/hw.c b/drivers/net/wireless/ath/ath12k/hw.c
> index e5e2164c27d2..a4e0c21ac4b7 100644
> --- a/drivers/net/wireless/ath/ath12k/hw.c
> +++ b/drivers/net/wireless/ath/ath12k/hw.c
> @@ -1299,6 +1299,8 @@ static const struct ath12k_hw_params ath12k_hw_params[] = {
>  		.iova_mask = 0,
>  
>  		.supports_aspm = false,
> +
> +		.m3_fw_support = true,

'support for m3 firmware' is not a fitting term.. maybe "needs_m3_fw"?

Konrad