Messages in this thread | | | Date | Wed, 8 Nov 2023 16:10:57 +0530 | Subject | Re: [PATCH v5 09/11] remoteproc: qcom: Add Hexagon based multipd rproc driver | From | Manikanta Mylavarapu <> |
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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.
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