194 struct ata_link *ata_link_next(struct ata_link *link, struct ata_port *ap,  in ata_link_next()  argument
205 			if (sata_pmp_attached(ap))  in ata_link_next()
206 				return ap->pmp_link;  in ata_link_next()
209 			return &ap->link;  in ata_link_next()
213 	if (link == &ap->link)  in ata_link_next()
216 			if (sata_pmp_attached(ap))  in ata_link_next()
217 				return ap->pmp_link;  in ata_link_next()
220 			if (unlikely(ap->slave_link))  in ata_link_next()
221 				return ap->slave_link;  in ata_link_next()
228 	if (unlikely(link == ap->slave_link))  in ata_link_next()
232 	if (++link < ap->pmp_link + ap->nr_pmp_links)  in ata_link_next()
236 		return &ap->link;  in ata_link_next()
310 	struct ata_port *ap = dev->link->ap;  in ata_dev_phys_link()  local
312 	if (!ap->slave_link)  in ata_dev_phys_link()
315 		return &ap->link;  in ata_dev_phys_link()
316 	return ap->slave_link;  in ata_dev_phys_link()
332 void ata_force_cbl(struct ata_port *ap)  in ata_force_cbl()  argument
339 		if (fe->port != -1 && fe->port != ap->print_id)  in ata_force_cbl()
345 		ap->cbl = fe->param.cbl;  in ata_force_cbl()
346 		ata_port_notice(ap, "FORCE: cable set to %s\n", fe->param.name);  in ata_force_cbl()
379 		if (fe->port != -1 && fe->port != link->ap->print_id)  in ata_force_link_limits()
428 		if (fe->port != -1 && fe->port != dev->link->ap->print_id)  in ata_force_xfermask()
481 		if (fe->port != -1 && fe->port != dev->link->ap->print_id)  in ata_force_horkage()
665 	} else if (lba48 && (dev->link->ap->flags & ATA_FLAG_PIO_LBA48)) {  in ata_rwcmd_protocol()
1559 	struct ata_port *ap = link->ap;  in ata_exec_internal_sg()  local
1571 	spin_lock_irqsave(ap->lock, flags);  in ata_exec_internal_sg()
1574 	if (ap->pflags & ATA_PFLAG_FROZEN) {  in ata_exec_internal_sg()
1575 		spin_unlock_irqrestore(ap->lock, flags);  in ata_exec_internal_sg()
1586 	if (ap->ops->error_handler)  in ata_exec_internal_sg()
1591 	qc = __ata_qc_from_tag(ap, tag);  in ata_exec_internal_sg()
1595 	qc->ap = ap;  in ata_exec_internal_sg()
1601 	preempted_qc_active = ap->qc_active;  in ata_exec_internal_sg()
1602 	preempted_nr_active_links = ap->nr_active_links;  in ata_exec_internal_sg()
1605 	ap->qc_active = 0;  in ata_exec_internal_sg()
1606 	ap->nr_active_links = 0;  in ata_exec_internal_sg()
1636 	spin_unlock_irqrestore(ap->lock, flags);  in ata_exec_internal_sg()
1647 	if (ap->ops->error_handler)  in ata_exec_internal_sg()
1648 		ata_eh_release(ap);  in ata_exec_internal_sg()
1652 	if (ap->ops->error_handler)  in ata_exec_internal_sg()
1653 		ata_eh_acquire(ap);  in ata_exec_internal_sg()
1655 	ata_sff_flush_pio_task(ap);  in ata_exec_internal_sg()
1658 		spin_lock_irqsave(ap->lock, flags);  in ata_exec_internal_sg()
1668 			if (ap->ops->error_handler)  in ata_exec_internal_sg()
1669 				ata_port_freeze(ap);  in ata_exec_internal_sg()
1673 			if (ata_msg_warn(ap))  in ata_exec_internal_sg()
1678 		spin_unlock_irqrestore(ap->lock, flags);  in ata_exec_internal_sg()
1682 	if (ap->ops->post_internal_cmd)  in ata_exec_internal_sg()
1683 		ap->ops->post_internal_cmd(qc);  in ata_exec_internal_sg()
1698 	spin_lock_irqsave(ap->lock, flags);  in ata_exec_internal_sg()
1706 	ap->qc_active = preempted_qc_active;  in ata_exec_internal_sg()
1707 	ap->nr_active_links = preempted_nr_active_links;  in ata_exec_internal_sg()
1709 	spin_unlock_irqrestore(ap->lock, flags);  in ata_exec_internal_sg()
1768 	if (adev->link->ap->pflags & ATA_PFLAG_RESETTING)  in ata_pio_need_iordy()
1773 	if (adev->link->ap->flags & ATA_FLAG_NO_IORDY)  in ata_pio_need_iordy()
1852 	struct ata_port *ap = dev->link->ap;  in ata_dev_read_id()  local
1861 	if (ata_msg_ctl(ap))  in ata_dev_read_id()
1895 	if (ap->ops->read_id)  in ata_dev_read_id()
1896 		err_mask = ap->ops->read_id(dev, &tf, id);  in ata_dev_read_id()
1966 		if (ap->host->flags & ATA_HOST_IGNORE_ATA &&  in ata_dev_read_id()
2032 	if (ata_msg_warn(ap))  in ata_dev_read_id()
2073 	struct ata_port *ap = dev->link->ap;  in ata_dev_knobble()  local
2078 	return ((ap->cbl == ATA_CBL_SATA) && (!ata_id_is_sata(dev->id)));  in ata_dev_knobble()
2084 	struct ata_port *ap = dev->link->ap;  in ata_dev_config_ncq()  local
2097 	if (ap->flags & ATA_FLAG_NCQ) {  in ata_dev_config_ncq()
2098 		hdepth = min(ap->scsi_host->can_queue, ATA_MAX_QUEUE - 1);  in ata_dev_config_ncq()
2103 		(ap->flags & ATA_FLAG_FPDMA_AA) &&  in ata_dev_config_ncq()
2125 	if ((ap->flags & ATA_FLAG_FPDMA_AUX) &&  in ata_dev_config_ncq()
2128 					     0, ap->sector_buf, 1);  in ata_dev_config_ncq()
2137 			memcpy(cmds, ap->sector_buf, ATA_LOG_NCQ_SEND_RECV_SIZE);  in ata_dev_config_ncq()
2165 	struct ata_port *ap = dev->link->ap;  in ata_dev_configure()  local
2176 	if (!ata_dev_enabled(dev) && ata_msg_info(ap)) {  in ata_dev_configure()
2181 	if (ata_msg_probe(ap))  in ata_dev_configure()
2194 	if ((!atapi_enabled || (ap->flags & ATA_FLAG_NO_ATAPI)) &&  in ata_dev_configure()
2214 		dev->link->ap->target_lpm_policy = ATA_LPM_MAX_POWER;  in ata_dev_configure()
2228 	if (ata_msg_probe(ap))  in ata_dev_configure()
2253 	if (ata_msg_probe(ap))  in ata_dev_configure()
2312 			if (ata_msg_drv(ap) && print_info) {  in ata_dev_configure()
2337 			if (ata_msg_drv(ap) && print_info) {  in ata_dev_configure()
2353 			u8 *sata_setting = ap->sector_buf;  in ata_dev_configure()
2385 			if (ata_msg_warn(ap))  in ata_dev_configure()
2398 		    (ap->flags & ATA_FLAG_AN) && ata_id_has_atapi_AN(id) &&  in ata_dev_configure()
2399 		    (!sata_pmp_attached(ap) ||  in ata_dev_configure()
2400 		     sata_scr_read(&ap->link, SCR_NOTIFICATION, &sntf) == 0)) {  in ata_dev_configure()
2430 		if (ata_msg_drv(ap) && print_info)  in ata_dev_configure()
2447 		if (ata_msg_drv(ap) && print_info)  in ata_dev_configure()
2470 	if (ap->ops->dev_config)  in ata_dev_configure()
2471 		ap->ops->dev_config(dev);  in ata_dev_configure()
2496 	if (ata_msg_probe(ap))  in ata_dev_configure()
2509 int ata_cable_40wire(struct ata_port *ap)  in ata_cable_40wire()  argument
2522 int ata_cable_80wire(struct ata_port *ap)  in ata_cable_80wire()  argument
2534 int ata_cable_unknown(struct ata_port *ap)  in ata_cable_unknown()  argument
2546 int ata_cable_ignore(struct ata_port *ap)  in ata_cable_ignore()  argument
2558 int ata_cable_sata(struct ata_port *ap)  in ata_cable_sata()  argument
2578 int ata_bus_probe(struct ata_port *ap)  in ata_bus_probe()  argument
2585 	ata_for_each_dev(dev, &ap->link, ALL)  in ata_bus_probe()
2589 	ata_for_each_dev(dev, &ap->link, ALL) {  in ata_bus_probe()
2605 		if (ap->ops->set_piomode)  in ata_bus_probe()
2606 			ap->ops->set_piomode(ap, dev);  in ata_bus_probe()
2610 	ap->ops->phy_reset(ap);  in ata_bus_probe()
2612 	ata_for_each_dev(dev, &ap->link, ALL) {  in ata_bus_probe()
2625 	ata_for_each_dev(dev, &ap->link, ALL_REVERSE) {  in ata_bus_probe()
2639 	if (ap->ops->cable_detect)  in ata_bus_probe()
2640 		ap->cbl = ap->ops->cable_detect(ap);  in ata_bus_probe()
2647 	ata_for_each_dev(dev, &ap->link, ENABLED)  in ata_bus_probe()
2649 			ap->cbl = ATA_CBL_SATA;  in ata_bus_probe()
2654 	ata_for_each_dev(dev, &ap->link, ENABLED) {  in ata_bus_probe()
2655 		ap->link.eh_context.i.flags |= ATA_EHI_PRINTINFO;  in ata_bus_probe()
2657 		ap->link.eh_context.i.flags &= ~ATA_EHI_PRINTINFO;  in ata_bus_probe()
2663 	rc = ata_set_mode(&ap->link, &dev);  in ata_bus_probe()
2667 	ata_for_each_dev(dev, &ap->link, ENABLED)  in ata_bus_probe()
2689 			sata_down_spd_limit(&ap->link, 0);  in ata_bus_probe()
2820 	struct ata_link *host_link = &link->ap->link;  in __sata_set_spd_needed()
3205 	struct ata_port *ap = dev->link->ap;  in ata_dev_set_mode()  local
3217 	if (nosetxfer && ap->flags & ATA_FLAG_SATA && ata_id_is_sata(dev->id))  in ata_dev_set_mode()
3303 	struct ata_port *ap = link->ap;  in ata_do_set_mode()  local
3349 		if (ap->ops->set_piomode)  in ata_do_set_mode()
3350 			ap->ops->set_piomode(ap, dev);  in ata_do_set_mode()
3360 		if (ap->ops->set_dmamode)  in ata_do_set_mode()
3361 			ap->ops->set_dmamode(ap, dev);  in ata_do_set_mode()
3374 	if (used_dma && (ap->host->flags & ATA_HOST_SIMPLEX))  in ata_do_set_mode()
3375 		ap->host->simplex_claimed = ap;  in ata_do_set_mode()
3411 	if (link->ap->host->flags & ATA_HOST_PARALLEL_SCAN)  in ata_wait_ready()
3420 	WARN_ON(link == link->ap->slave_link);  in ata_wait_ready()
3447 			else if ((link->ap->flags & ATA_FLAG_SATA) &&  in ata_wait_ready()
3466 		ata_msleep(link->ap, 50);  in ata_wait_ready()
3487 	ata_msleep(link->ap, ATA_WAIT_AFTER_RESET);  in ata_wait_after_reset()
3535 		ata_msleep(link->ap, interval);  in sata_link_debounce()
3600 		ata_msleep(link->ap, 200);  in sata_link_resume()
3718 	struct ata_port *ap = link->ap;  in ata_std_prereset()  local
3728 	if (ap->flags & ATA_FLAG_SATA) {  in ata_std_prereset()
3809 	ata_msleep(link->ap, 1);  in sata_link_hardreset()
3823 	if (sata_pmp_supported(link->ap) && ata_is_host_link(link)) {  in sata_link_hardreset()
3976 	u16 *id = (void *)dev->link->ap->sector_buf;  in ata_dev_reread_id()
4313 	if ((dev->link->ap->flags & ATA_FLAG_PIO_POLLING) &&  in ata_dma_blacklisted()
4347 static int cable_is_40wire(struct ata_port *ap)  in cable_is_40wire()  argument
4353 	if (ap->cbl == ATA_CBL_PATA40)  in cable_is_40wire()
4357 	if (ap->cbl == ATA_CBL_PATA80 || ap->cbl == ATA_CBL_SATA)  in cable_is_40wire()
4364 	if (ap->cbl == ATA_CBL_PATA40_SHORT)  in cable_is_40wire()
4376 	ata_for_each_link(link, ap, EDGE) {  in cable_is_40wire()
4400 	struct ata_port *ap = link->ap;  in ata_dev_xfermask()  local
4401 	struct ata_host *host = ap->host;  in ata_dev_xfermask()
4405 	xfer_mask = ata_pack_xfermask(ap->pio_mask,  in ata_dev_xfermask()
4406 				      ap->mwdma_mask, ap->udma_mask);  in ata_dev_xfermask()
4431 	    host->simplex_claimed && host->simplex_claimed != ap) {  in ata_dev_xfermask()
4437 	if (ap->flags & ATA_FLAG_NO_IORDY)  in ata_dev_xfermask()
4440 	if (ap->ops->mode_filter)  in ata_dev_xfermask()
4441 		xfer_mask = ap->ops->mode_filter(dev, xfer_mask);  in ata_dev_xfermask()
4453 		if (cable_is_40wire(ap)) {  in ata_dev_xfermask()
4600 	struct ata_port *ap = qc->ap;  in ata_sg_clean()  local
4609 		dma_unmap_sg(ap->dev, sg, qc->orig_n_elem, dir);  in ata_sg_clean()
4631 	struct ata_port *ap = qc->ap;  in atapi_check_dma()  local
4640 	if (ap->ops->check_atapi_dma)  in atapi_check_dma()
4641 		return ap->ops->check_atapi_dma(qc);  in atapi_check_dma()
4714 	struct ata_port *ap = qc->ap;  in ata_sg_setup()  local
4717 	VPRINTK("ENTER, ata%u\n", ap->print_id);  in ata_sg_setup()
4719 	n_elem = dma_map_sg(ap->dev, qc->sg, qc->n_elem, qc->dma_dir);  in ata_sg_setup()
4764 	struct ata_port *ap = dev->link->ap;  in ata_qc_new_init()  local
4768 	if (unlikely(ap->pflags & ATA_PFLAG_FROZEN))  in ata_qc_new_init()
4772 	if (ap->flags & ATA_FLAG_SAS_HOST) {  in ata_qc_new_init()
4773 		tag = ata_sas_allocate_tag(ap);  in ata_qc_new_init()
4778 	qc = __ata_qc_from_tag(ap, tag);  in ata_qc_new_init()
4781 	qc->ap = ap;  in ata_qc_new_init()
4801 	struct ata_port *ap;  in ata_qc_free()  local
4805 	ap = qc->ap;  in ata_qc_free()
4811 		if (ap->flags & ATA_FLAG_SAS_HOST)  in ata_qc_free()
4812 			ata_sas_free_tag(tag, ap);  in ata_qc_free()
4818 	struct ata_port *ap;  in __ata_qc_complete()  local
4823 	ap = qc->ap;  in __ata_qc_complete()
4833 			ap->nr_active_links--;  in __ata_qc_complete()
4836 		ap->nr_active_links--;  in __ata_qc_complete()
4841 		     ap->excl_link == link))  in __ata_qc_complete()
4842 		ap->excl_link = NULL;  in __ata_qc_complete()
4849 	ap->qc_active &= ~(1 << qc->tag);  in __ata_qc_complete()
4857 	struct ata_port *ap = qc->ap;  in fill_result_tf()  local
4860 	ap->ops->qc_fill_rtf(qc);  in fill_result_tf()
4893 	struct ata_port *ap = qc->ap;  in ata_qc_complete()  local
4908 	if (ap->ops->error_handler) {  in ata_qc_complete()
4937 		WARN_ON_ONCE(ap->pflags & ATA_PFLAG_FROZEN);  in ata_qc_complete()
4957 			ata_port_schedule_eh(ap);  in ata_qc_complete()
5001 int ata_qc_complete_multiple(struct ata_port *ap, u32 qc_active)  in ata_qc_complete_multiple()  argument
5006 	done_mask = ap->qc_active ^ qc_active;  in ata_qc_complete_multiple()
5009 		ata_port_err(ap, "illegal qc_active transition (%08x->%08x)\n",  in ata_qc_complete_multiple()
5010 			     ap->qc_active, qc_active);  in ata_qc_complete_multiple()
5018 		qc = ata_qc_from_tag(ap, tag);  in ata_qc_complete_multiple()
5043 	struct ata_port *ap = qc->ap;  in ata_qc_issue()  local
5051 	WARN_ON_ONCE(ap->ops->error_handler && ata_tag_valid(link->active_tag));  in ata_qc_issue()
5057 			ap->nr_active_links++;  in ata_qc_issue()
5062 		ap->nr_active_links++;  in ata_qc_issue()
5067 	ap->qc_active |= 1 << qc->tag;  in ata_qc_issue()
5078 				 (ap->flags & ATA_FLAG_PIO_DMA)))  in ata_qc_issue()
5090 	ap->ops->qc_prep(qc);  in ata_qc_issue()
5092 	qc->err_mask |= ap->ops->qc_issue(qc);  in ata_qc_issue()
5117 	struct ata_port *ap = link->ap;  in sata_scr_valid()  local
5119 	return (ap->flags & ATA_FLAG_SATA) && ap->ops->scr_read;  in sata_scr_valid()
5142 			return link->ap->ops->scr_read(link, reg, val);  in sata_scr_read()
5169 			return link->ap->ops->scr_write(link, reg, val);  in sata_scr_write()
5197 			rc = link->ap->ops->scr_write(link, reg, val);  in sata_scr_write_flush()
5199 				rc = link->ap->ops->scr_read(link, reg, &val);  in sata_scr_write_flush()
5274 	struct ata_link *slave = link->ap->slave_link;  in ata_link_online()
5300 	struct ata_link *slave = link->ap->slave_link;  in ata_link_offline()
5309 static void ata_port_request_pm(struct ata_port *ap, pm_message_t mesg,  in ata_port_request_pm()  argument
5319 	if (ap->pflags & ATA_PFLAG_PM_PENDING) {  in ata_port_request_pm()
5320 		ata_port_wait_eh(ap);  in ata_port_request_pm()
5321 		WARN_ON(ap->pflags & ATA_PFLAG_PM_PENDING);  in ata_port_request_pm()
5325 	spin_lock_irqsave(ap->lock, flags);  in ata_port_request_pm()
5327 	ap->pm_mesg = mesg;  in ata_port_request_pm()
5328 	ap->pflags |= ATA_PFLAG_PM_PENDING;  in ata_port_request_pm()
5329 	ata_for_each_link(link, ap, HOST_FIRST) {  in ata_port_request_pm()
5334 	ata_port_schedule_eh(ap);  in ata_port_request_pm()
5336 	spin_unlock_irqrestore(ap->lock, flags);  in ata_port_request_pm()
5339 		ata_port_wait_eh(ap);  in ata_port_request_pm()
5340 		WARN_ON(ap->pflags & ATA_PFLAG_PM_PENDING);  in ata_port_request_pm()
5355 static void ata_port_suspend(struct ata_port *ap, pm_message_t mesg)  in ata_port_suspend()  argument
5357 	ata_port_request_pm(ap, mesg, 0, ata_port_suspend_ehi, false);  in ata_port_suspend()
5360 static void ata_port_suspend_async(struct ata_port *ap, pm_message_t mesg)  in ata_port_suspend_async()  argument
5362 	ata_port_request_pm(ap, mesg, 0, ata_port_suspend_ehi, true);  in ata_port_suspend_async()
5367 	struct ata_port *ap = to_ata_port(dev);  in ata_port_pm_suspend()  local
5372 	ata_port_suspend(ap, PMSG_SUSPEND);  in ata_port_pm_suspend()
5378 	struct ata_port *ap = to_ata_port(dev);  in ata_port_pm_freeze()  local
5383 	ata_port_suspend(ap, PMSG_FREEZE);  in ata_port_pm_freeze()
5396 static void ata_port_resume(struct ata_port *ap, pm_message_t mesg)  in ata_port_resume()  argument
5398 	ata_port_request_pm(ap, mesg, ATA_EH_RESET, ata_port_resume_ehi, false);  in ata_port_resume()
5401 static void ata_port_resume_async(struct ata_port *ap, pm_message_t mesg)  in ata_port_resume_async()  argument
5403 	ata_port_request_pm(ap, mesg, ATA_EH_RESET, ata_port_resume_ehi, true);  in ata_port_resume_async()
5425 	struct ata_port *ap = to_ata_port(dev);  in ata_port_runtime_idle()  local
5429 	ata_for_each_link(link, ap, HOST_FIRST) {  in ata_port_runtime_idle()
5469 void ata_sas_port_suspend(struct ata_port *ap)  in ata_sas_port_suspend()  argument
5471 	ata_port_suspend_async(ap, PMSG_SUSPEND);  in ata_sas_port_suspend()
5475 void ata_sas_port_resume(struct ata_port *ap)  in ata_sas_port_resume()  argument
5477 	ata_port_resume_async(ap, PMSG_RESUME);  in ata_sas_port_resume()
5525 	struct ata_port *ap = link->ap;  in ata_dev_init()  local
5536 	spin_lock_irqsave(ap->lock, flags);  in ata_dev_init()
5539 	spin_unlock_irqrestore(ap->lock, flags);  in ata_dev_init()
5559 void ata_link_init(struct ata_port *ap, struct ata_link *link, int pmp)  in ata_link_init()  argument
5567 	link->ap = ap;  in ata_link_init()
5632 	struct ata_port *ap;  in ata_port_alloc()  local
5636 	ap = kzalloc(sizeof(*ap), GFP_KERNEL);  in ata_port_alloc()
5637 	if (!ap)  in ata_port_alloc()
5640 	ap->pflags |= ATA_PFLAG_INITIALIZING | ATA_PFLAG_FROZEN;  in ata_port_alloc()
5641 	ap->lock = &host->lock;  in ata_port_alloc()
5642 	ap->print_id = -1;  in ata_port_alloc()
5643 	ap->local_port_no = -1;  in ata_port_alloc()
5644 	ap->host = host;  in ata_port_alloc()
5645 	ap->dev = host->dev;  in ata_port_alloc()
5649 	ap->msg_enable = 0x00FF;  in ata_port_alloc()
5651 	ap->msg_enable = ATA_MSG_DRV | ATA_MSG_INFO | ATA_MSG_CTL | ATA_MSG_WARN | ATA_MSG_ERR;  in ata_port_alloc()
5653 	ap->msg_enable = ATA_MSG_DRV | ATA_MSG_ERR | ATA_MSG_WARN;  in ata_port_alloc()
5656 	mutex_init(&ap->scsi_scan_mutex);  in ata_port_alloc()
5657 	INIT_DELAYED_WORK(&ap->hotplug_task, ata_scsi_hotplug);  in ata_port_alloc()
5658 	INIT_WORK(&ap->scsi_rescan_task, ata_scsi_dev_rescan);  in ata_port_alloc()
5659 	INIT_LIST_HEAD(&ap->eh_done_q);  in ata_port_alloc()
5660 	init_waitqueue_head(&ap->eh_wait_q);  in ata_port_alloc()
5661 	init_completion(&ap->park_req_pending);  in ata_port_alloc()
5662 	init_timer_deferrable(&ap->fastdrain_timer);  in ata_port_alloc()
5663 	ap->fastdrain_timer.function = ata_eh_fastdrain_timerfn;  in ata_port_alloc()
5664 	ap->fastdrain_timer.data = (unsigned long)ap;  in ata_port_alloc()
5666 	ap->cbl = ATA_CBL_NONE;  in ata_port_alloc()
5668 	ata_link_init(ap, &ap->link, 0);  in ata_port_alloc()
5671 	ap->stats.unhandled_irq = 1;  in ata_port_alloc()
5672 	ap->stats.idle_irq = 1;  in ata_port_alloc()
5674 	ata_sff_port_init(ap);  in ata_port_alloc()
5676 	return ap;  in ata_port_alloc()
5685 		struct ata_port *ap = host->ports[i];  in ata_host_release()  local
5687 		if (!ap)  in ata_host_release()
5690 		if (ap->scsi_host)  in ata_host_release()
5691 			scsi_host_put(ap->scsi_host);  in ata_host_release()
5693 		kfree(ap->pmp_link);  in ata_host_release()
5694 		kfree(ap->slave_link);  in ata_host_release()
5695 		kfree(ap);  in ata_host_release()
5750 		struct ata_port *ap;  in ata_host_alloc()  local
5752 		ap = ata_port_alloc(host);  in ata_host_alloc()
5753 		if (!ap)  in ata_host_alloc()
5756 		ap->port_no = i;  in ata_host_alloc()
5757 		host->ports[i] = ap;  in ata_host_alloc()
5797 		struct ata_port *ap = host->ports[i];  in ata_host_alloc_pinfo()  local
5802 		ap->pio_mask = pi->pio_mask;  in ata_host_alloc_pinfo()
5803 		ap->mwdma_mask = pi->mwdma_mask;  in ata_host_alloc_pinfo()
5804 		ap->udma_mask = pi->udma_mask;  in ata_host_alloc_pinfo()
5805 		ap->flags |= pi->flags;  in ata_host_alloc_pinfo()
5806 		ap->link.flags |= pi->link_flags;  in ata_host_alloc_pinfo()
5807 		ap->ops = pi->port_ops;  in ata_host_alloc_pinfo()
5862 int ata_slave_link_init(struct ata_port *ap)  in ata_slave_link_init()  argument
5866 	WARN_ON(ap->slave_link);  in ata_slave_link_init()
5867 	WARN_ON(ap->flags & ATA_FLAG_PMP);  in ata_slave_link_init()
5873 	ata_link_init(ap, link, 1);  in ata_slave_link_init()
5874 	ap->slave_link = link;  in ata_slave_link_init()
5886 		struct ata_port *ap = host->ports[i];  in ata_host_stop()  local
5888 		if (ap->ops->port_stop)  in ata_host_stop()
5889 			ap->ops->port_stop(ap);  in ata_host_stop()
5974 		struct ata_port *ap = host->ports[i];  in ata_host_start()  local
5976 		ata_finalize_port_ops(ap->ops);  in ata_host_start()
5978 		if (!host->ops && !ata_port_is_dummy(ap))  in ata_host_start()
5979 			host->ops = ap->ops;  in ata_host_start()
5981 		if (ap->ops->port_stop)  in ata_host_start()
5995 		struct ata_port *ap = host->ports[i];  in ata_host_start()  local
5997 		if (ap->ops->port_start) {  in ata_host_start()
5998 			rc = ap->ops->port_start(ap);  in ata_host_start()
6007 		ata_eh_freeze_port(ap);  in ata_host_start()
6017 		struct ata_port *ap = host->ports[i];  in ata_host_start()  local
6019 		if (ap->ops->port_stop)  in ata_host_start()
6020 			ap->ops->port_stop(ap);  in ata_host_start()
6043 void __ata_port_probe(struct ata_port *ap)  in __ata_port_probe()  argument
6045 	struct ata_eh_info *ehi = &ap->link.eh_info;  in __ata_port_probe()
6049 	spin_lock_irqsave(ap->lock, flags);  in __ata_port_probe()
6055 	ap->pflags &= ~ATA_PFLAG_INITIALIZING;  in __ata_port_probe()
6056 	ap->pflags |= ATA_PFLAG_LOADING;  in __ata_port_probe()
6057 	ata_port_schedule_eh(ap);  in __ata_port_probe()
6059 	spin_unlock_irqrestore(ap->lock, flags);  in __ata_port_probe()
6062 int ata_port_probe(struct ata_port *ap)  in ata_port_probe()  argument
6066 	if (ap->ops->error_handler) {  in ata_port_probe()
6067 		__ata_port_probe(ap);  in ata_port_probe()
6068 		ata_port_wait_eh(ap);  in ata_port_probe()
6070 		DPRINTK("ata%u: bus probe begin\n", ap->print_id);  in ata_port_probe()
6071 		rc = ata_bus_probe(ap);  in ata_port_probe()
6072 		DPRINTK("ata%u: bus probe end\n", ap->print_id);  in ata_port_probe()
6080 	struct ata_port *ap = data;  in async_port_probe()  local
6089 	if (!(ap->host->flags & ATA_HOST_PARALLEL_SCAN) && ap->port_no != 0)  in async_port_probe()
6092 	(void)ata_port_probe(ap);  in async_port_probe()
6097 	ata_scsi_scan_host(ap, 1);  in async_port_probe()
6156 		struct ata_port *ap = host->ports[i];  in ata_host_register()  local
6160 		if (ap->cbl == ATA_CBL_NONE && (ap->flags & ATA_FLAG_SATA))  in ata_host_register()
6161 			ap->cbl = ATA_CBL_SATA;  in ata_host_register()
6164 		sata_link_init_spd(&ap->link);  in ata_host_register()
6165 		if (ap->slave_link)  in ata_host_register()
6166 			sata_link_init_spd(ap->slave_link);  in ata_host_register()
6169 		xfer_mask = ata_pack_xfermask(ap->pio_mask, ap->mwdma_mask,  in ata_host_register()
6170 					      ap->udma_mask);  in ata_host_register()
6172 		if (!ata_port_is_dummy(ap)) {  in ata_host_register()
6173 			ata_port_info(ap, "%cATA max %s %s\n",  in ata_host_register()
6174 				      (ap->flags & ATA_FLAG_SATA) ? 'S' : 'P',  in ata_host_register()
6176 				      ap->link.eh_info.desc);  in ata_host_register()
6177 			ata_ehi_clear_desc(&ap->link.eh_info);  in ata_host_register()
6179 			ata_port_info(ap, "DUMMY\n");  in ata_host_register()
6184 		struct ata_port *ap = host->ports[i];  in ata_host_register()  local
6185 		async_schedule(async_port_probe, ap);  in ata_host_register()
6264 static void ata_port_detach(struct ata_port *ap)  in ata_port_detach()  argument
6270 	if (!ap->ops->error_handler)  in ata_port_detach()
6274 	spin_lock_irqsave(ap->lock, flags);  in ata_port_detach()
6275 	ap->pflags |= ATA_PFLAG_UNLOADING;  in ata_port_detach()
6276 	ata_port_schedule_eh(ap);  in ata_port_detach()
6277 	spin_unlock_irqrestore(ap->lock, flags);  in ata_port_detach()
6280 	ata_port_wait_eh(ap);  in ata_port_detach()
6283 	WARN_ON(!(ap->pflags & ATA_PFLAG_UNLOADED));  in ata_port_detach()
6285 	cancel_delayed_work_sync(&ap->hotplug_task);  in ata_port_detach()
6289 	ata_for_each_link(link, ap, HOST_FIRST) {  in ata_port_detach()
6295 	if (ap->pmp_link) {  in ata_port_detach()
6298 			ata_tlink_delete(&ap->pmp_link[i]);  in ata_port_detach()
6301 	scsi_remove_host(ap->scsi_host);  in ata_port_detach()
6302 	ata_tport_delete(ap);  in ata_port_detach()
6693 void ata_msleep(struct ata_port *ap, unsigned int msecs)  in ata_msleep()  argument
6695 	bool owns_eh = ap && ap->host->eh_owner == current;  in ata_msleep()
6698 		ata_eh_release(ap);  in ata_msleep()
6703 		ata_eh_acquire(ap);  in ata_msleep()
6730 u32 ata_wait_register(struct ata_port *ap, void __iomem *reg, u32 mask, u32 val,  in ata_wait_register()  argument
6745 		ata_msleep(ap, interval);  in ata_wait_register()
6792 static void ata_dummy_error_handler(struct ata_port *ap)  in ata_dummy_error_handler()  argument
6812 void ata_port_printk(const struct ata_port *ap, const char *level,  in ata_port_printk()  argument
6823 	printk("%sata%u: %pV", level, ap->print_id, &vaf);  in ata_port_printk()
6840 	if (sata_pmp_attached(link->ap) || link->ap->slave_link)  in ata_link_printk()
6842 		       level, link->ap->print_id, link->pmp, &vaf);  in ata_link_printk()
6845 		       level, link->ap->print_id, &vaf);  in ata_link_printk()
6863 	       level, dev->link->ap->print_id, dev->link->pmp + dev->devno,  in ata_dev_printk()