345 		wmb(); /* drain writebuffer */  in au1xxx_dbdma_chan_alloc()
635 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_put_source()
638 	wmb(); /* force doorbell write out to dma engine */  in au1xxx_dbdma_put_source()
698 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_put_dest()
701 	wmb(); /* force doorbell write out to dma engine */  in au1xxx_dbdma_put_dest()
766 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_stop()
777 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_stop()
795 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_start()
797 	wmb(); /* drain writebuffer */  in au1xxx_dbdma_start()
838 	wmb(); /* drain writebuffer */  in au1xxx_get_dma_residue()
874 	wmb(); /* drain writebuffer */  in dbdma_interrupt()
883 	wmb(); /* drain writebuffer */  in dbdma_interrupt()
1008 		wmb();  in alchemy_dbdma_suspend()
1010 			wmb();  in alchemy_dbdma_suspend()
1017 	wmb();  in alchemy_dbdma_suspend()
1042 		wmb();  in alchemy_dbdma_resume()
1067 	wmb(); /* drain writebuffer */  in dbdma_setup()