27 	int i, nents, len = drv_data->len;  in pxa2xx_spi_map_dma_buffer()  local
57 	nents = DIV_ROUND_UP(len, SZ_2K);  in pxa2xx_spi_map_dma_buffer()
58 	if (nents != sgt->nents) {  in pxa2xx_spi_map_dma_buffer()
62 		ret = sg_alloc_table(sgt, nents, GFP_ATOMIC);  in pxa2xx_spi_map_dma_buffer()
68 	for_each_sg(sgt->sgl, sg, sgt->nents, i) {  in pxa2xx_spi_map_dma_buffer()
80 	nents = dma_map_sg(dmadev, sgt->sgl, sgt->nents, dir);  in pxa2xx_spi_map_dma_buffer()
81 	if (!nents)  in pxa2xx_spi_map_dma_buffer()
84 	return nents;  in pxa2xx_spi_map_dma_buffer()
101 	dma_unmap_sg(dmadev, sgt->sgl, sgt->nents, dir);  in pxa2xx_spi_unmap_dma_buffer()
183 	int nents, ret;  in pxa2xx_spi_dma_prepare_one()  local
207 		nents = drv_data->tx_nents;  in pxa2xx_spi_dma_prepare_one()
216 		nents = drv_data->rx_nents;  in pxa2xx_spi_dma_prepare_one()
226 	return dmaengine_prep_slave_sg(chan, sgt->sgl, nents, dir,  in pxa2xx_spi_dma_prepare_one()