Defer allowing async. requests after self ID's have received. This should fix some problem of SBP2 device probing.
Defer allowing async. requests after self ID's have received.
This should fix some problem of SBP2 device probing.

Prior to rev 1.41, we keep writing the register while bus reset phase.
But in rev 1.41, we ignore successive bus reset events and some chips seem to
clear the register after we write to it.

Tested by: Michael Reifenberger <root@nihil.reifenberger.com>

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