ATA_DMA_LOADED
if (ch->dma->flags & ATA_DMA_LOADED) {
ch->dma->flags = dir ? (ATA_DMA_LOADED | ATA_DMA_READ) : ATA_DMA_LOADED;
if (ch->dma->flags & ATA_DMA_LOADED) {
ch->dma->flags &= ~ATA_DMA_LOADED;
if (ch->dma && ch->dma->flags & ATA_DMA_LOADED)