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OMAPL138B-EP: TSK_sleep function hang in dsp software

Part Number: OMAPL138B-EP
Other Parts Discussed in Thread: OMAP-L138

Tool/software:

I have board davinci da850 with linux kernel 5.10, and dsplink software 1.65.00.09. I have problem with function TSK_sleep called from DSP software. When I call TSK_sleep(100) from my thread in DSP software,  this function doesn't return to my code. and my Thread hang. 

The same DSP software worked correct  when I use linux kernel 4.14 on my board.  I compare configuraton timer12 and timer34 beetwen kernel4.14 and kernel 5.10 and it is looked the same.

What should I do resolve this problem.

Regards

K. Frackowiak