201 static void atc_desc_chain(struct at_desc **first, struct at_desc **prev,  in atc_desc_chain()  argument
204 	if (!(*first)) {  in atc_desc_chain()
205 		*first = desc;  in atc_desc_chain()
211 				&(*first)->tx_list);  in atc_desc_chain()
223 static void atc_dostart(struct at_dma_chan *atchan, struct at_desc *first)  in atc_dostart()  argument
249 	channel_writel(atchan, DSCR, first->txd.phys);  in atc_dostart()
529 	struct at_desc			*first = atc_first_active(atchan);  in atc_handle_cyclic()  local
530 	struct dma_async_tx_descriptor	*txd = &first->txd;  in atc_handle_cyclic()
651 	struct at_desc		*first = NULL;  in atc_prep_dma_memcpy()  local
698 		atc_desc_chain(&first, &prev, desc);  in atc_prep_dma_memcpy()
702 	first->txd.cookie = -EBUSY;  in atc_prep_dma_memcpy()
703 	first->total_len = len;  in atc_prep_dma_memcpy()
706 	first->tx_width = src_width;  in atc_prep_dma_memcpy()
712 	first->txd.flags = flags; /* client is in control of this ack */  in atc_prep_dma_memcpy()
714 	return &first->txd;  in atc_prep_dma_memcpy()
717 	atc_desc_put(atchan, first);  in atc_prep_dma_memcpy()
739 	struct at_desc		*first = NULL;  in atc_prep_slave_sg()  local
801 			atc_desc_chain(&first, &prev, desc);  in atc_prep_slave_sg()
842 			atc_desc_chain(&first, &prev, desc);  in atc_prep_slave_sg()
854 	first->txd.cookie = -EBUSY;  in atc_prep_slave_sg()
855 	first->total_len = total_len;  in atc_prep_slave_sg()
858 	first->tx_width = reg_width;  in atc_prep_slave_sg()
862 	first->txd.flags = flags; /* client is in control of this ack */  in atc_prep_slave_sg()
864 	return &first->txd;  in atc_prep_slave_sg()
869 	atc_desc_put(atchan, first);  in atc_prep_slave_sg()
890 	struct at_desc		*first = NULL;  in atc_prep_dma_sg()  local
984 		atc_desc_chain(&first, &prev, desc);  in atc_prep_dma_sg()
996 	first->txd.cookie = -EBUSY;  in atc_prep_dma_sg()
997 	first->total_len = total_len;  in atc_prep_dma_sg()
1002 	first->txd.flags = flags; /* client is in control of this ack */  in atc_prep_dma_sg()
1004 	return &first->txd;  in atc_prep_dma_sg()
1007 	atc_desc_put(atchan, first);  in atc_prep_dma_sg()
1101 	struct at_desc		*first = NULL;  in atc_prep_dma_cyclic()  local
1148 		atc_desc_chain(&first, &prev, desc);  in atc_prep_dma_cyclic()
1152 	prev->lli.dscr = first->txd.phys;  in atc_prep_dma_cyclic()
1155 	first->txd.cookie = -EBUSY;  in atc_prep_dma_cyclic()
1156 	first->total_len = buf_len;  in atc_prep_dma_cyclic()
1157 	first->tx_width = reg_width;  in atc_prep_dma_cyclic()
1159 	return &first->txd;  in atc_prep_dma_cyclic()
1163 	atc_desc_put(atchan, first);  in atc_prep_dma_cyclic()