ata_link_dbg
ata_link_dbg(link, "Set LPM policy: %d -> %d\n", old_policy, policy);
ata_link_dbg(link, "port disabled--ignoring\n");
ata_link_dbg(link, "reg_in = %d\n", sc_reg);
ata_link_dbg(link, "reg_in = %d\n", sc_reg);