Provided by: linux-doc-2.6.15_2.6.15-23.39_all
ata_qc_issue_prot - issue taskfile to device in proto-dependent manner
int ata_qc_issue_prot (struct ata_queued_cmd * qc);
qc command to issue to device
Using various libata functions and hooks, this function starts an ATA
command. ATA commands are grouped into classes called ‘‘protocols’’,
and issuing each type of protocol is slightly different.
May be used as the qc_issue entry in ata_port_operations.
Zero on success, negative on error.