233 	return sprintf(buf, "%x\n", hpriv->cap);  in ahci_show_host_caps()
402 	u32 cap, cap2, vers, port_map;  in ahci_save_initial_config()  local
411 	hpriv->saved_cap = cap = readl(mmio + HOST_CAP);  in ahci_save_initial_config()
423 	if ((cap & HOST_CAP_64) && (hpriv->flags & AHCI_HFLAG_32BIT_ONLY)) {  in ahci_save_initial_config()
425 		cap &= ~HOST_CAP_64;  in ahci_save_initial_config()
428 	if ((cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_NO_NCQ)) {  in ahci_save_initial_config()
430 		cap &= ~HOST_CAP_NCQ;  in ahci_save_initial_config()
433 	if (!(cap & HOST_CAP_NCQ) && (hpriv->flags & AHCI_HFLAG_YES_NCQ)) {  in ahci_save_initial_config()
435 		cap |= HOST_CAP_NCQ;  in ahci_save_initial_config()
438 	if ((cap & HOST_CAP_PMP) && (hpriv->flags & AHCI_HFLAG_NO_PMP)) {  in ahci_save_initial_config()
440 		cap &= ~HOST_CAP_PMP;  in ahci_save_initial_config()
443 	if ((cap & HOST_CAP_SNTF) && (hpriv->flags & AHCI_HFLAG_NO_SNTF)) {  in ahci_save_initial_config()
446 		cap &= ~HOST_CAP_SNTF;  in ahci_save_initial_config()
456 	if (!(cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_YES_FBS)) {  in ahci_save_initial_config()
458 		cap |= HOST_CAP_FBS;  in ahci_save_initial_config()
461 	if ((cap & HOST_CAP_FBS) && (hpriv->flags & AHCI_HFLAG_NO_FBS)) {  in ahci_save_initial_config()
463 		cap &= ~HOST_CAP_FBS;  in ahci_save_initial_config()
491 		if (map_ports > ahci_nr_ports(cap)) {  in ahci_save_initial_config()
494 				 port_map, ahci_nr_ports(cap));  in ahci_save_initial_config()
501 		port_map = (1 << ahci_nr_ports(cap)) - 1;  in ahci_save_initial_config()
509 	hpriv->cap = cap;  in ahci_save_initial_config()
551 	    (sc_reg != SCR_NOTIFICATION || (hpriv->cap & HOST_CAP_SNTF)))  in ahci_scr_offset()
626 	if (hpriv->cap & HOST_CAP_64)  in ahci_start_fis_rx()
631 	if (hpriv->cap & HOST_CAP_64)  in ahci_start_fis_rx()
674 	if (hpriv->cap & HOST_CAP_SSS) {  in ahci_power_up()
703 	if (hpriv->cap & HOST_CAP_ALPM) {  in ahci_set_lpm()
753 	if (!(hpriv->cap & HOST_CAP_SSS))  in ahci_power_down()
1146 	if ((tmp & PORT_CMD_ESP) && (hpriv->cap & HOST_CAP_SXS))  in ahci_port_init()
1239 	if (!(hpriv->cap & HOST_CAP_CLO)) {  in ahci_kick_engine()
1746 		if (hpriv->cap & HOST_CAP_SNTF)  in ahci_handle_port_interrupt()
2300 	if ((hpriv->cap & HOST_CAP_FBS) && sata_pmp_supported(ap)) {  in ahci_port_start()
2388 	u32 vers, cap, cap2, impl, speed;  in ahci_print_info()  local
2392 	cap = hpriv->cap;  in ahci_print_info()
2396 	speed = (cap >> 20) & 0xf;  in ahci_print_info()
2416 		((cap >> 8) & 0x1f) + 1,  in ahci_print_info()
2417 		(cap & 0x1f) + 1,  in ahci_print_info()
2430 		cap & HOST_CAP_64 ? "64bit " : "",  in ahci_print_info()
2431 		cap & HOST_CAP_NCQ ? "ncq " : "",  in ahci_print_info()
2432 		cap & HOST_CAP_SNTF ? "sntf " : "",  in ahci_print_info()
2433 		cap & HOST_CAP_MPS ? "ilck " : "",  in ahci_print_info()
2434 		cap & HOST_CAP_SSS ? "stag " : "",  in ahci_print_info()
2435 		cap & HOST_CAP_ALPM ? "pm " : "",  in ahci_print_info()
2436 		cap & HOST_CAP_LED ? "led " : "",  in ahci_print_info()
2437 		cap & HOST_CAP_CLO ? "clo " : "",  in ahci_print_info()
2438 		cap & HOST_CAP_ONLY ? "only " : "",  in ahci_print_info()
2439 		cap & HOST_CAP_PMP ? "pmp " : "",  in ahci_print_info()
2440 		cap & HOST_CAP_FBS ? "fbs " : "",  in ahci_print_info()
2441 		cap & HOST_CAP_PIO_MULTI ? "pio " : "",  in ahci_print_info()
2442 		cap & HOST_CAP_SSC ? "slum " : "",  in ahci_print_info()
2443 		cap & HOST_CAP_PART ? "part " : "",  in ahci_print_info()
2444 		cap & HOST_CAP_CCC ? "ccc " : "",  in ahci_print_info()
2445 		cap & HOST_CAP_EMS ? "ems " : "",  in ahci_print_info()
2446 		cap & HOST_CAP_SXS ? "sxs " : "",  in ahci_print_info()
2465 	if (!ahci_em_messages || !(hpriv->cap & HOST_CAP_EMS))  in ahci_set_em_messages()