DMA_512 342 drivers/staging/rts5208/rtsx_card.h #define DMA_512 (2 << 4) DMA_512 552 include/linux/rtsx_pci.h #define DMA_512 (2 << 4) DMA_512 585 include/linux/rtsx_usb.h #define DMA_512 (2 << 2)