Name
ata_host_start — 
     start and freeze ports of an ATA host
 
Synopsis
| int ata_host_start ( | struct ata_host * host ); | 
 
Arguments
- host
- 
     ATA host to start ports for
     
Description
   Start and then freeze ports of host.  Started status is
   recorded in host->flags, so this function can be called
   multiple times.  Ports are guaranteed to get started only
   once.  If host->ops isn't initialized yet, its set to the
   first non-dummy port ops.
LOCKING
   Inherited from calling layer (may sleep).
RETURNS
   0 if all ports are started successfully, -errno otherwise.