sunxi_nfc_dma_op_cleanup 944 drivers/mtd/nand/raw/sunxi_nand.c sunxi_nfc_dma_op_cleanup(nfc, DMA_FROM_DEVICE, &sg); sunxi_nfc_dma_op_cleanup 1320 drivers/mtd/nand/raw/sunxi_nand.c sunxi_nfc_dma_op_cleanup(nfc, DMA_TO_DEVICE, &sg);