931 	struct scatterlist *sg;  in pch_spi_handle_dma()  local
1018 	sg = dma->sg_rx_p;  in pch_spi_handle_dma()
1019 	for (i = 0; i < num; i++, sg++) {  in pch_spi_handle_dma()
1021 			sg->offset = size * i;  in pch_spi_handle_dma()
1022 			sg->offset = sg->offset * (*bpw / 8);  in pch_spi_handle_dma()
1023 			sg_set_page(sg, virt_to_page(dma->rx_buf_virt), rem,  in pch_spi_handle_dma()
1024 				    sg->offset);  in pch_spi_handle_dma()
1025 			sg_dma_len(sg) = rem;  in pch_spi_handle_dma()
1027 			sg->offset = size * (i - 1) + rem;  in pch_spi_handle_dma()
1028 			sg->offset = sg->offset * (*bpw / 8);  in pch_spi_handle_dma()
1029 			sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size,  in pch_spi_handle_dma()
1030 				    sg->offset);  in pch_spi_handle_dma()
1031 			sg_dma_len(sg) = size;  in pch_spi_handle_dma()
1033 			sg->offset = size * i;  in pch_spi_handle_dma()
1034 			sg->offset = sg->offset * (*bpw / 8);  in pch_spi_handle_dma()
1035 			sg_set_page(sg, virt_to_page(dma->rx_buf_virt), size,  in pch_spi_handle_dma()
1036 				    sg->offset);  in pch_spi_handle_dma()
1037 			sg_dma_len(sg) = size;  in pch_spi_handle_dma()
1039 		sg_dma_address(sg) = dma->rx_buf_dma + sg->offset;  in pch_spi_handle_dma()
1041 	sg = dma->sg_rx_p;  in pch_spi_handle_dma()
1042 	desc_rx = dmaengine_prep_slave_sg(dma->chan_rx, sg,  in pch_spi_handle_dma()
1050 	dma_sync_sg_for_device(&data->master->dev, sg, num, DMA_FROM_DEVICE);  in pch_spi_handle_dma()
1078 	sg = dma->sg_tx_p;  in pch_spi_handle_dma()
1079 	for (i = 0; i < num; i++, sg++) {  in pch_spi_handle_dma()
1081 			sg->offset = 0;  in pch_spi_handle_dma()
1082 			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), size + head,  in pch_spi_handle_dma()
1083 				    sg->offset);  in pch_spi_handle_dma()
1084 			sg_dma_len(sg) = size + head;  in pch_spi_handle_dma()
1086 			sg->offset = head + size * i;  in pch_spi_handle_dma()
1087 			sg->offset = sg->offset * (*bpw / 8);  in pch_spi_handle_dma()
1088 			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), rem,  in pch_spi_handle_dma()
1089 				    sg->offset);  in pch_spi_handle_dma()
1090 			sg_dma_len(sg) = rem;  in pch_spi_handle_dma()
1092 			sg->offset = head + size * i;  in pch_spi_handle_dma()
1093 			sg->offset = sg->offset * (*bpw / 8);  in pch_spi_handle_dma()
1094 			sg_set_page(sg, virt_to_page(dma->tx_buf_virt), size,  in pch_spi_handle_dma()
1095 				    sg->offset);  in pch_spi_handle_dma()
1096 			sg_dma_len(sg) = size;  in pch_spi_handle_dma()
1098 		sg_dma_address(sg) = dma->tx_buf_dma + sg->offset;  in pch_spi_handle_dma()
1100 	sg = dma->sg_tx_p;  in pch_spi_handle_dma()
1102 					sg, num, DMA_MEM_TO_DEV,  in pch_spi_handle_dma()
1109 	dma_sync_sg_for_device(&data->master->dev, sg, num, DMA_TO_DEVICE);  in pch_spi_handle_dma()