ide_dma_good_drive 48 drivers/ide/ide-dma-sff.c if (ide_dma_good_drive(drive)) ide_dma_good_drive 338 drivers/ide/ide-dma.c if (ide_dma_good_drive(drive) && ide_dma_good_drive 1413 include/linux/ide.h int ide_dma_good_drive(ide_drive_t *);