PDC_UNDERRUN_ERR   91 drivers/ata/sata_promise.c 				  PDC_OVERRUN_ERR | PDC_UNDERRUN_ERR |
PDC_UNDERRUN_ERR  853 drivers/ata/sata_promise.c 	if (port_status & (PDC_OVERRUN_ERR | PDC_UNDERRUN_ERR))