1 // SPDX-License-Identifier: GPL-2.0
3  * Cadence PCIe platform  driver.
5  * Copyright (c) 2019, Cadence Design Systems
6  * Author: Tom Joseph <tjoseph@cadence.com>
14 #include "pcie-cadence.h"
19  * struct cdns_plat_pcie - private data for this PCIe platform driver
20  * @pcie: Cadence PCIe controller
49 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_probe()
59 		return -EINVAL;  in cdns_plat_pcie_probe()
61 	data = (struct cdns_plat_pcie_of_data *)match->data;  in cdns_plat_pcie_probe()
62 	is_rc = data->is_rc;  in cdns_plat_pcie_probe()
67 		return -ENOMEM;  in cdns_plat_pcie_probe()
72 			return -ENODEV;  in cdns_plat_pcie_probe()
76 			return -ENOMEM;  in cdns_plat_pcie_probe()
79 		rc->pcie.dev = dev;  in cdns_plat_pcie_probe()
80 		rc->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
81 		cdns_plat_pcie->pcie = &rc->pcie;  in cdns_plat_pcie_probe()
82 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
84 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
86 			dev_err(dev, "failed to init phy\n");  in cdns_plat_pcie_probe()
101 			return -ENODEV;  in cdns_plat_pcie_probe()
105 			return -ENOMEM;  in cdns_plat_pcie_probe()
107 		ep->pcie.dev = dev;  in cdns_plat_pcie_probe()
108 		ep->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
109 		cdns_plat_pcie->pcie = &ep->pcie;  in cdns_plat_pcie_probe()
110 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
112 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
114 			dev_err(dev, "failed to init phy\n");  in cdns_plat_pcie_probe()
136 	cdns_pcie_disable_phy(cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
137 	phy_count = cdns_plat_pcie->pcie->phy_count;  in cdns_plat_pcie_probe()
138 	while (phy_count--)  in cdns_plat_pcie_probe()
139 		device_link_del(cdns_plat_pcie->pcie->link[phy_count]);  in cdns_plat_pcie_probe()
146 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_shutdown()
169 		.compatible = "cdns,cdns-pcie-host",
173 		.compatible = "cdns,cdns-pcie-ep",
181 		.name = "cdns-pcie",