ATA_PROT_FLAG_PIO 530 include/linux/ata.h ATA_PROT_PIO = ATA_PROT_FLAG_PIO, ATA_PROT_FLAG_PIO 535 include/linux/ata.h ATAPI_PROT_PIO = ATA_PROT_FLAG_ATAPI | ATA_PROT_FLAG_PIO, ATA_PROT_FLAG_PIO 1036 include/linux/libata.h return prot & ATA_PROT_FLAG_PIO; ATA_PROT_FLAG_PIO 1051 include/linux/libata.h return prot & (ATA_PROT_FLAG_PIO | ATA_PROT_FLAG_DMA);