linux-kernel - Re: [PATCH v4] remoteproc: qcom_q6v5_mss: support loading MBN file on msm8974

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Message-ID: <ksnxdmxdxe2o3yffvpsxoyzqbqqsstiwkzudwxxv5nrd7ezkyp@7t67vswmkxu4>
Date: Wed, 10 Sep 2025 06:49:22 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Bjorn Andersson <andersson@...nel.org>,
        Mathieu Poirier <mathieu.poirier@...aro.org>,
        Sibi Sankar <quic_sibis@...cinc.com>
Cc: linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Subject: Re: [PATCH v4] remoteproc: qcom_q6v5_mss: support loading MBN file
 on msm8974

On Sun, Jul 06, 2025 at 05:47:08PM +0300, Dmitry Baryshkov wrote:
> From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> 
> On MSM8974 / APQ8074, MSM8226 and MSM8926 the MSS requires loading raw
> MBA image instead of the ELF file. Skip the ELF headers if mba.mbn was
> specified as the firmware image.
> 
> Fixes: a5a4e02d083d ("remoteproc: qcom: Add support for parsing fw dt bindings")
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> ---
> Changes in v4:
> - Expanded to cover MSM8226 and MSM8926.
> - Link to v3: https://lore.kernel.org/r/20250706-msm8974-fix-mss-v3-1-8b5ae61c86a9@oss.qualcomm.com
> 
> Changes in v3:
> - Reverted back to the simple patch from v1
> - Added define for 0x1000 (Konrad)
> - Added MBA firmware size check
> - Corrected the Fixes tag to point to the commit adding firmware-name
>   support
> - Link to v2: https://lore.kernel.org/r/20230508153524.2371795-1-dmitry.baryshkov@linaro.org
> 
> Changes in v2:
> - Replace fixed offset 0x1000 with the value obtained from ELF headers
> - Implement ELF validity checks
> - Link to v1: https://lore.kernel.org/r/20230507172041.2320279-1-dmitry.baryshkov@linaro.org
> ---
>  drivers/remoteproc/qcom_q6v5_mss.c | 13 ++++++++++++-
>  1 file changed, 12 insertions(+), 1 deletion(-)
> 
And gracious ping...

-- 
With best wishes
Dmitry