Re: [PATCH v5 09/11] remoteproc: qcom: Add Hexagon based multipd rproc driver

[Manikanta Mylavarapu]

On 8/2/2023 7:36 PM, Manikanta Mylavarapu wrote:
> It adds support to bring up remoteproc's on multipd model.
> Pd means protection domain. It's similar to process in Linux.
> Here QDSP6 processor runs each wifi radio functionality on a
> separate process. One process can't access other process
> resources, so this is termed as PD i.e protection domain.
>
> Here we have two pd's called root and user pd. We can correlate
> Root pd as root and user pd as user in linux. Root pd has more
> privileges than user pd. Root will provide services to user pd.
>
>  From remoteproc driver perspective, root pd corresponds to QDSP6
> processor bring up and user pd corresponds to Wifi radio (WCSS)
> bring up.
>
> Here WCSS(user) PD is dependent on Q6(root) PD, so first
> q6 pd should be up before wcss pd. After wcss pd goes down,
> q6 pd should be turned off.

Thanks Krzysztof, Kalle, Rob, Bjorn for all your reviews.
I have addressed them in this series.
Can you please suggest and help me to take this forward ?

Thanks & Regards,
Manikanta.