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Adventurer
Adventurer
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Registered: ‎04-16-2019

Re-probing PL drivers after PL wake-up

Hello Xilinx Forums,

I am trying to implement a low power architecture design where I am using Xilinx's FPGA Manager driver in Linux Kernel to power up and down the programmable logic. I have properly exercised the power down and reprogramming bitstream, now I am having issues to reprobe the PL drivers. I am using the ZCU106 SDI TRD project. 

Would the best way to reprobe drivers be achieved by creating a multi layer devicetree overlays to properly probe and release device drivers? or should I attempt a kernel module approach and modprobe/insmod each PL drive in the correct order as needed?

Thank you for any advice

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