ata_port_alloc(9) centos man page | unix.com

ATA_PORT_ALLOC(9)					       libata Core Internals						 ATA_PORT_ALLOC(9)

NAME
       ata_port_alloc - allocate and initialize basic ATA port resources

SYNOPSIS
       struct ata_port * ata_port_alloc(struct ata_host * host);

ARGUMENTS
       host
	   ATA host this allocated port belongs to

DESCRIPTION
       Allocate and initialize basic ATA port resources.

RETURNS
       Allocate ATA port on success, NULL on failure.

LOCKING
       Inherited from calling layer (may sleep).

AUTHOR
       Jeff Garzik
	   Author.

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014							 ATA_PORT_ALLOC(9)