ata_bus_probe(9) centos man page | unix.com

ATA_BUS_PROBE(9)					       libata Core Internals						  ATA_BUS_PROBE(9)

NAME
       ata_bus_probe - Reset and probe ATA bus

SYNOPSIS
       int ata_bus_probe(struct ata_port * ap);

ARGUMENTS
       ap
	   Bus to probe

DESCRIPTION
       Master ATA bus probing function. Initiates a hardware-dependent bus reset, then attempts to identify any devices found on the bus.

LOCKING
       PCI/etc. bus probe sem.

RETURNS
       Zero on success, negative errno otherwise.

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							  ATA_BUS_PROBE(9)