The following commit:
  54f8d501e842 dmaengine: remove DMA unmap from drivers
removed the last caller to mv_desc_get_dest_addr(), creating the
warning:
  drivers/dma/mv_xor.c:57:12: warning: mv_desc_get_dest_addr defined
  but not used [-Wunused-function]
Remove it.
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Acked-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
        hw_desc->desc_command = (1 << 31);
 }
 
-static u32 mv_desc_get_dest_addr(struct mv_xor_desc_slot *desc)
-{
-       struct mv_xor_desc *hw_desc = desc->hw_desc;
-       return hw_desc->phy_dest_addr;
-}
-
 static void mv_desc_set_byte_count(struct mv_xor_desc_slot *desc,
                                   u32 byte_count)
 {