267 	int sg_count;  in jz4740_mmc_prepare_dma_data()  local
270 		return data->sg_count;  in jz4740_mmc_prepare_dma_data()
272 	sg_count = dma_map_sg(chan->device->dev,  in jz4740_mmc_prepare_dma_data()
277 	if (sg_count <= 0) {  in jz4740_mmc_prepare_dma_data()
283 	data->sg_count = sg_count;  in jz4740_mmc_prepare_dma_data()
286 	return data->sg_count;  in jz4740_mmc_prepare_dma_data()
300 	int sg_count;  in jz4740_mmc_start_dma_transfer()  local
310 	sg_count = jz4740_mmc_prepare_dma_data(host, data, COOKIE_MAPPED);  in jz4740_mmc_start_dma_transfer()
311 	if (sg_count < 0)  in jz4740_mmc_start_dma_transfer()
312 		return sg_count;  in jz4740_mmc_start_dma_transfer()
315 	desc = dmaengine_prep_slave_sg(chan, data->sg, sg_count,  in jz4740_mmc_start_dma_transfer()