when upp is working, you should not start EDMA, right?

ref this artical:

http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/t/114045.aspx

It said that upp will never emit "WAIT" signal in transfer.

so, if upp is working, we start a EDMA transfer,  the Upp transfer will be borken, right?

 

Is there an document talking about such conflicted peripherals?