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With the exception of a single call to wait_for_doorbell_int(), all this
conditional sleeping code is dead. So delete it.
Signed-off-by: Calvin Owens <calvinowens@fb.com>
Acked-by: Chaitra P B <chaitra.basappa@broadcom.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>