iMX8QXP - RPMsg BSP - Dynamic channel creation

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iMX8QXP - RPMsg BSP - Dynamic channel creation

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jithesh77
Contributor I

Hi

Could you please confirm .

Currently NXP RPMsg linux bsps  creation of rpmsg devices (i.e. channels) is completely dynamic: the remote processor announces the existence of a remote rpmsg service by sending a name service message from M4 to A35 Linux side for creating channel. No static channel creation is supported in current nxp bsp on linux side. could you please confirm.

Thanks

Jithesh

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nxf46838
NXP TechSupport
NXP TechSupport

Hello,

Yes that is correct, as per kernel documentation https://www.kernel.org/doc/Documentation/rpmsg.txt :

The plan is also to add static creation of rpmsg channels via the virtio
config space, but it's not implemented yet.

 So for now it only support dynamic allocation of the RPMsg channels.

BR.
Aldo.

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