50 static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)  in ahci_platform_enable_phys()  argument
54 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_enable_phys()
55 		rc = phy_init(hpriv->phys[i]);  in ahci_platform_enable_phys()
59 		rc = phy_power_on(hpriv->phys[i]);  in ahci_platform_enable_phys()
61 			phy_exit(hpriv->phys[i]);  in ahci_platform_enable_phys()
70 		phy_power_off(hpriv->phys[i]);  in ahci_platform_enable_phys()
71 		phy_exit(hpriv->phys[i]);  in ahci_platform_enable_phys()
82 static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)  in ahci_platform_disable_phys()  argument
86 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_disable_phys()
87 		phy_power_off(hpriv->phys[i]);  in ahci_platform_disable_phys()
88 		phy_exit(hpriv->phys[i]);  in ahci_platform_disable_phys()
103 int ahci_platform_enable_clks(struct ahci_host_priv *hpriv)  in ahci_platform_enable_clks()  argument
107 	for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++) {  in ahci_platform_enable_clks()
108 		rc = clk_prepare_enable(hpriv->clks[c]);  in ahci_platform_enable_clks()
116 		clk_disable_unprepare(hpriv->clks[c]);  in ahci_platform_enable_clks()
128 void ahci_platform_disable_clks(struct ahci_host_priv *hpriv)  in ahci_platform_disable_clks()  argument
133 		if (hpriv->clks[c])  in ahci_platform_disable_clks()
134 			clk_disable_unprepare(hpriv->clks[c]);  in ahci_platform_disable_clks()
150 int ahci_platform_enable_regulators(struct ahci_host_priv *hpriv)  in ahci_platform_enable_regulators()  argument
154 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_enable_regulators()
155 		if (!hpriv->target_pwrs[i])  in ahci_platform_enable_regulators()
158 		rc = regulator_enable(hpriv->target_pwrs[i]);  in ahci_platform_enable_regulators()
167 		if (hpriv->target_pwrs[i])  in ahci_platform_enable_regulators()
168 			regulator_disable(hpriv->target_pwrs[i]);  in ahci_platform_enable_regulators()
180 void ahci_platform_disable_regulators(struct ahci_host_priv *hpriv)  in ahci_platform_disable_regulators()  argument
184 	for (i = 0; i < hpriv->nports; i++) {  in ahci_platform_disable_regulators()
185 		if (!hpriv->target_pwrs[i])  in ahci_platform_disable_regulators()
187 		regulator_disable(hpriv->target_pwrs[i]);  in ahci_platform_disable_regulators()
208 int ahci_platform_enable_resources(struct ahci_host_priv *hpriv)  in ahci_platform_enable_resources()  argument
212 	rc = ahci_platform_enable_regulators(hpriv);  in ahci_platform_enable_resources()
216 	rc = ahci_platform_enable_clks(hpriv);  in ahci_platform_enable_resources()
220 	rc = reset_control_deassert(hpriv->rsts);  in ahci_platform_enable_resources()
224 	rc = ahci_platform_enable_phys(hpriv);  in ahci_platform_enable_resources()
231 	reset_control_assert(hpriv->rsts);  in ahci_platform_enable_resources()
234 	ahci_platform_disable_clks(hpriv);  in ahci_platform_enable_resources()
237 	ahci_platform_disable_regulators(hpriv);  in ahci_platform_enable_resources()
254 void ahci_platform_disable_resources(struct ahci_host_priv *hpriv)  in ahci_platform_disable_resources()  argument
256 	ahci_platform_disable_phys(hpriv);  in ahci_platform_disable_resources()
258 	reset_control_assert(hpriv->rsts);  in ahci_platform_disable_resources()
260 	ahci_platform_disable_clks(hpriv);  in ahci_platform_disable_resources()
262 	ahci_platform_disable_regulators(hpriv);  in ahci_platform_disable_resources()
268 	struct ahci_host_priv *hpriv = res;  in ahci_platform_put_resources()  local
271 	if (hpriv->got_runtime_pm) {  in ahci_platform_put_resources()
276 	for (c = 0; c < AHCI_MAX_CLKS && hpriv->clks[c]; c++)  in ahci_platform_put_resources()
277 		clk_put(hpriv->clks[c]);  in ahci_platform_put_resources()
283 	for (c = 0; c < hpriv->nports; c++)  in ahci_platform_put_resources()
284 		if (hpriv->target_pwrs && hpriv->target_pwrs[c])  in ahci_platform_put_resources()
285 			regulator_put(hpriv->target_pwrs[c]);  in ahci_platform_put_resources()
287 	kfree(hpriv->target_pwrs);  in ahci_platform_put_resources()
290 static int ahci_platform_get_phy(struct ahci_host_priv *hpriv, u32 port,  in ahci_platform_get_phy()  argument
295 	hpriv->phys[port] = devm_of_phy_get(dev, node, NULL);  in ahci_platform_get_phy()
297 	if (!IS_ERR(hpriv->phys[port]))  in ahci_platform_get_phy()
300 	rc = PTR_ERR(hpriv->phys[port]);  in ahci_platform_get_phy()
313 		hpriv->phys[port] = NULL;  in ahci_platform_get_phy()
328 static int ahci_platform_get_regulator(struct ahci_host_priv *hpriv, u32 port,  in ahci_platform_get_regulator()  argument
337 		hpriv->target_pwrs[port] = target_pwr;  in ahci_platform_get_regulator()
366 	struct ahci_host_priv *hpriv;  in ahci_platform_get_resources()  local
375 	hpriv = devres_alloc(ahci_platform_put_resources, sizeof(*hpriv),  in ahci_platform_get_resources()
377 	if (!hpriv)  in ahci_platform_get_resources()
380 	devres_add(dev, hpriv);  in ahci_platform_get_resources()
382 	hpriv->mmio = devm_ioremap_resource(dev,  in ahci_platform_get_resources()
384 	if (IS_ERR(hpriv->mmio)) {  in ahci_platform_get_resources()
386 		rc = PTR_ERR(hpriv->mmio);  in ahci_platform_get_resources()
408 		hpriv->clks[i] = clk;  in ahci_platform_get_resources()
412 		hpriv->rsts = devm_reset_control_array_get_optional_shared(dev);  in ahci_platform_get_resources()
413 		if (IS_ERR(hpriv->rsts)) {  in ahci_platform_get_resources()
414 			rc = PTR_ERR(hpriv->rsts);  in ahci_platform_get_resources()
419 	hpriv->nports = child_nodes = of_get_child_count(dev->of_node);  in ahci_platform_get_resources()
427 		hpriv->nports = 1;  in ahci_platform_get_resources()
429 	hpriv->phys = devm_kcalloc(dev, hpriv->nports, sizeof(*hpriv->phys), GFP_KERNEL);  in ahci_platform_get_resources()
430 	if (!hpriv->phys) {  in ahci_platform_get_resources()
438 	hpriv->target_pwrs = kcalloc(hpriv->nports, sizeof(*hpriv->target_pwrs), GFP_KERNEL);  in ahci_platform_get_resources()
439 	if (!hpriv->target_pwrs) {  in ahci_platform_get_resources()
457 			if (port >= hpriv->nports) {  in ahci_platform_get_resources()
469 				rc = ahci_platform_get_regulator(hpriv, port,  in ahci_platform_get_resources()
476 			rc = ahci_platform_get_phy(hpriv, port, dev, child);  in ahci_platform_get_resources()
488 		if (!hpriv->mask_port_map)  in ahci_platform_get_resources()
489 			hpriv->mask_port_map = mask_port_map;  in ahci_platform_get_resources()
495 		rc = ahci_platform_get_phy(hpriv, 0, dev, dev->of_node);  in ahci_platform_get_resources()
499 		rc = ahci_platform_get_regulator(hpriv, 0, dev);  in ahci_platform_get_resources()
505 	hpriv->got_runtime_pm = true;  in ahci_platform_get_resources()
508 	return hpriv;  in ahci_platform_get_resources()
531 			    struct ahci_host_priv *hpriv,  in ahci_platform_init_host()  argument
548 	hpriv->irq = irq;  in ahci_platform_init_host()
551 	pi.private_data = (void *)(unsigned long)hpriv->flags;  in ahci_platform_init_host()
553 	ahci_save_initial_config(dev, hpriv);  in ahci_platform_init_host()
555 	if (hpriv->cap & HOST_CAP_NCQ)  in ahci_platform_init_host()
558 	if (hpriv->cap & HOST_CAP_PMP)  in ahci_platform_init_host()
561 	ahci_set_em_messages(hpriv, &pi);  in ahci_platform_init_host()
568 	n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));  in ahci_platform_init_host()
574 	host->private_data = hpriv;  in ahci_platform_init_host()
576 	if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss)  in ahci_platform_init_host()
593 			ap->em_message_type = hpriv->em_msg_type;  in ahci_platform_init_host()
596 		if (!(hpriv->port_map & (1 << i)))  in ahci_platform_init_host()
600 	if (hpriv->cap & HOST_CAP_64) {  in ahci_platform_init_host()
626 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_host_stop()  local
628 	ahci_platform_disable_resources(hpriv);  in ahci_host_stop()
642 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_shutdown()  local
643 	void __iomem *mmio = hpriv->mmio;  in ahci_platform_shutdown()
680 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_suspend_host()  local
681 	void __iomem *mmio = hpriv->mmio;  in ahci_platform_suspend_host()
684 	if (hpriv->flags & AHCI_HFLAG_NO_SUSPEND) {  in ahci_platform_suspend_host()
746 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_suspend()  local
753 	ahci_platform_disable_resources(hpriv);  in ahci_platform_suspend()
772 	struct ahci_host_priv *hpriv = host->private_data;  in ahci_platform_resume()  local
775 	rc = ahci_platform_enable_resources(hpriv);  in ahci_platform_resume()
791 	ahci_platform_disable_resources(hpriv);  in ahci_platform_resume()