linux-kernel - Re: [PATCH v4 04/12] soc: qcom: mdtloader: Add PAS context aware qcom_mdt_pas

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Message-ID: <jlpxaewyitfnms7qmesrsghkwkowabgzo4i4n25kiyp4n5ccvb@cs6txshdju4b>
Date: Tue, 7 Oct 2025 14:29:20 -0700
From: Manivannan Sadhasivam <mani@...nel.org>
To: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
Cc: Bjorn Andersson <andersson@...nel.org>, 
	Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, linux-arm-msm@...r.kernel.org, linux-remoteproc@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 04/12] soc: qcom: mdtloader: Add PAS context aware
 qcom_mdt_pas_load() function

On Tue, Oct 07, 2025 at 10:18:49PM +0530, Mukesh Ojha wrote:
> Add a PAS context-aware qcom_mdt_pas_load() function for remote
> processor drivers, which can use the context pointer returned from
> qcom_scm_pas_ctx_init() to perform metadata verification and memory
> setup via SMC calls.
> 
> The qcom_mdt_pas_load() and qcom_mdt_load() functions are almost
> similar. Clients using the PAS context-based data structure can adopt
> qcom_mdt_pas_load(), and in the future, all users of qcom_mdt_load()
> could be migrated to use qcom_mdt_pas_load() instead.
> 
> Signed-off-by: Mukesh Ojha <mukesh.ojha@....qualcomm.com>
> ---
>  drivers/soc/qcom/mdt_loader.c       | 29 +++++++++++++++++++++++++++++
>  include/linux/soc/qcom/mdt_loader.h | 11 +++++++++++
>  2 files changed, 40 insertions(+)
> 
> diff --git a/drivers/soc/qcom/mdt_loader.c b/drivers/soc/qcom/mdt_loader.c
> index a5c80d4fcc36..31855836b251 100644
> --- a/drivers/soc/qcom/mdt_loader.c
> +++ b/drivers/soc/qcom/mdt_loader.c
> @@ -486,5 +486,34 @@ int qcom_mdt_load_no_init(struct device *dev, const struct firmware *fw,
>  }
>  EXPORT_SYMBOL_GPL(qcom_mdt_load_no_init);
>  
> +/**
> + * qcom_mdt_pas_load() - load the firmware which header is loaded as fw
> + *

Could you please reword it to make it clear?

- Mani

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