36  *	0 on success, AC_ERR_* mask on failure.
52 	err_mask = ata_exec_internal(pmp_dev, &tf, NULL, DMA_NONE, NULL, 0,  in sata_pmp_read()
58 	return 0;  in sata_pmp_read()
73  *	0 on success, AC_ERR_* mask on failure.
87 	tf.nsect = val & 0xff;  in sata_pmp_write()
88 	tf.lbal = (val >> 8) & 0xff;  in sata_pmp_write()
89 	tf.lbam = (val >> 16) & 0xff;  in sata_pmp_write()
90 	tf.lbah = (val >> 24) & 0xff;  in sata_pmp_write()
92 	return ata_exec_internal(pmp_dev, &tf, NULL, DMA_NONE, NULL, 0,  in sata_pmp_write()
107  *	ATA_DEFER_* if deferring is needed, 0 otherwise.
115 		if (ap->nr_active_links == 0 || ata_link_active(link)) {  in sata_pmp_qc_defer_cmd_switch()
139  *	0 on success, -errno on failure.
150 		ata_link_warn(link, "failed to read SCR %d (Emask=0x%x)\n",  in sata_pmp_scr_read()
154 	return 0;  in sata_pmp_scr_read()
170  *	0 on success, -errno on failure.
181 		ata_link_warn(link, "failed to write SCR %d (Emask=0x%x)\n",  in sata_pmp_scr_write()
185 	return 0;  in sata_pmp_scr_write()
201  *	0 on success, -errno on failure.
221  *	0 on success, -errno on failure.
225 	static const int gscr_to_read[] = { 0, 1, 2, 32, 33, 64, 96 };  in sata_pmp_read_gscr()
228 	for (i = 0; i < ARRAY_SIZE(gscr_to_read); i++) {  in sata_pmp_read_gscr()
234 			ata_dev_err(dev, "failed to read PMP GSCR[%d] (Emask=0x%x)\n",  in sata_pmp_read_gscr()
240 	return 0;  in sata_pmp_read_gscr()
264 	unsigned int err_mask = 0;  in sata_pmp_configure()
270 	if (nr_ports <= 0 || nr_ports > SATA_PMP_MAX_PORTS) {  in sata_pmp_configure()
295 	if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) {  in sata_pmp_configure()
304 		reg &= ~0x1;  in sata_pmp_configure()
315 			     "0x%04x:0x%04x r%d, %d ports, feat 0x%x/0x%x\n",  in sata_pmp_configure()
327 	return 0;  in sata_pmp_configure()
331 		    "failed to configure Port Multiplier (%s, Emask=0x%x)\n",  in sata_pmp_configure()
342 		pmp_link = kcalloc(SATA_PMP_MAX_PORTS, sizeof(pmp_link[0]),  in sata_pmp_init_links()
347 		for (i = 0; i < SATA_PMP_MAX_PORTS; i++)  in sata_pmp_init_links()
352 		for (i = 0; i < SATA_PMP_MAX_PORTS; i++) {  in sata_pmp_init_links()
360 	for (i = 0; i < nr_ports; i++) {  in sata_pmp_init_links()
364 		link->flags = 0;  in sata_pmp_init_links()
369 	return 0;  in sata_pmp_init_links()
371 	while (--i >= 0)  in sata_pmp_init_links()
385 	if (vendor == 0x1095 && (devid == 0x3726 || devid == 0x3826)) {  in sata_pmp_quirks()
404 	} else if (vendor == 0x1095 && devid == 0x4723) {  in sata_pmp_quirks()
416 	} else if (vendor == 0x1095 && devid == 0x4726) {  in sata_pmp_quirks()
424 			 * Config device can be at port 0 or 5 and  in sata_pmp_quirks()
438 	} else if (vendor == 0x1095 && (devid == 0x5723 || devid == 0x5733 ||  in sata_pmp_quirks()
439 					devid == 0x5734 || devid == 0x5744)) {  in sata_pmp_quirks()
449 	} else if (vendor == 0x197b && (devid == 0x2352 || devid == 0x0325)) {  in sata_pmp_quirks()
451 		 * 0x2352: found in Thermaltake BlackX Duet, jmicron JMB350?  in sata_pmp_quirks()
452 		 * 0x0325: jmicron JMB394.  in sata_pmp_quirks()
462 	} else if (vendor == 0x11ab && devid == 0x4140) {  in sata_pmp_quirks()
483  *	0 on success, -errno on failure.
509 	WARN_ON(link->pmp != 0);  in sata_pmp_attach()
542 	return 0;  in sata_pmp_attach()
545 	link->pmp = 0;  in sata_pmp_attach()
578 	ap->nr_pmp_links = 0;  in sata_pmp_detach()
579 	link->pmp = 0;  in sata_pmp_detach()
595  *	1 if @dev matches @new_gscr, 0 otherwise.
612 			     "Port Multiplier vendor mismatch '0x%x' != '0x%x'\n",  in sata_pmp_same_pmp()
614 		return 0;  in sata_pmp_same_pmp()
619 			     "Port Multiplier device ID mismatch '0x%x' != '0x%x'\n",  in sata_pmp_same_pmp()
621 		return 0;  in sata_pmp_same_pmp()
626 			     "Port Multiplier nr_ports mismatch '0x%x' != '0x%x'\n",  in sata_pmp_same_pmp()
628 		return 0;  in sata_pmp_same_pmp()
646  *	0 on success, -errno otherwise.
679 	memcpy(dev->gscr, gscr, sizeof(gscr[0]) * SATA_PMP_GSCR_DWORDS);  in sata_pmp_revalidate()
681 	rc = sata_pmp_configure(dev, 0);  in sata_pmp_revalidate()
687 	return 0;  in sata_pmp_revalidate()
704  *	0 on success, -errno otherwise.
714 			    "failed to read PMP product ID (Emask=0x%x)\n",  in sata_pmp_revalidate_quick()
725 	return 0;  in sata_pmp_revalidate_quick()
745  *	0 on success, -errno on failure.
755 	int detach = 0, rc = 0;  in sata_pmp_eh_recover_pmp()
756 	int reval_failed = 0;  in sata_pmp_eh_recover_pmp()
765 	ehc->classes[0] = ATA_DEV_UNKNOWN;  in sata_pmp_eh_recover_pmp()
771 		rc = ata_eh_reset(link, 0, prereset, softreset, hardreset,  in sata_pmp_eh_recover_pmp()
791 		rc = sata_pmp_revalidate(dev, ehc->classes[0]);  in sata_pmp_eh_recover_pmp()
808 				sata_down_spd_limit(link, 0);  in sata_pmp_eh_recover_pmp()
823 	ehc->i.flags = 0;  in sata_pmp_eh_recover_pmp()
825 	return 0;  in sata_pmp_eh_recover_pmp()
872 	return 0;  in sata_pmp_eh_handle_disabled_links()
895 	link->eh_context.i.action = 0;  in sata_pmp_handle_link_fail()
897 	return 0;  in sata_pmp_handle_link_fail()
913  *	0 on success, -errno on failure.
945 			return 0;  in sata_pmp_eh_recover()
970 				"failed to disable NOTIFY (err_mask=0x%x)\n",  in sata_pmp_eh_recover()
989 	if (rc == 0)  in sata_pmp_eh_recover()
998 			return 0;  in sata_pmp_eh_recover()
1014 				    "failed to write PMP_FEAT_EN (Emask=0x%x)\n",  in sata_pmp_eh_recover()
1025 			    "failed to read PMP_GSCR_ERROR (Emask=0x%x)\n",  in sata_pmp_eh_recover()
1031 	cnt = 0;  in sata_pmp_eh_recover()
1053 	return 0;  in sata_pmp_eh_recover()