There are questions about devicetree-ivc ,help?

hello all,

I update my dto in for spe-fw. But how to communicate each other with /sys/devices/aon_echo/data_channel?
How to send a message from spe-fw to linux and linux to spe-fw??

Hello,
I found and replied the similar question in another thread https://devtalk.nvidia.com/default/topic/1062294/jetson-tx2/how-to-integrated-work-spe-fw-and-cuda-/post/5383480/#5383480

Please check.

br
ChenJian