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>
13 #include "pcie-cadence.h"
18  * struct cdns_plat_pcie - private data for this PCIe platform driver
19  * @pcie: Cadence PCIe controller
47 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_probe()
57 		return -EINVAL;  in cdns_plat_pcie_probe()
59 	is_rc = data->is_rc;  in cdns_plat_pcie_probe()
64 		return -ENOMEM;  in cdns_plat_pcie_probe()
69 			return -ENODEV;  in cdns_plat_pcie_probe()
73 			return -ENOMEM;  in cdns_plat_pcie_probe()
76 		rc->pcie.dev = dev;  in cdns_plat_pcie_probe()
77 		rc->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
78 		cdns_plat_pcie->pcie = &rc->pcie;  in cdns_plat_pcie_probe()
79 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
81 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
83 			dev_err(dev, "failed to init phy\n");  in cdns_plat_pcie_probe()
98 			return -ENODEV;  in cdns_plat_pcie_probe()
102 			return -ENOMEM;  in cdns_plat_pcie_probe()
104 		ep->pcie.dev = dev;  in cdns_plat_pcie_probe()
105 		ep->pcie.ops = &cdns_plat_ops;  in cdns_plat_pcie_probe()
106 		cdns_plat_pcie->pcie = &ep->pcie;  in cdns_plat_pcie_probe()
107 		cdns_plat_pcie->is_rc = is_rc;  in cdns_plat_pcie_probe()
109 		ret = cdns_pcie_init_phy(dev, cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
111 			dev_err(dev, "failed to init phy\n");  in cdns_plat_pcie_probe()
133 	cdns_pcie_disable_phy(cdns_plat_pcie->pcie);  in cdns_plat_pcie_probe()
134 	phy_count = cdns_plat_pcie->pcie->phy_count;  in cdns_plat_pcie_probe()
135 	while (phy_count--)  in cdns_plat_pcie_probe()
136 		device_link_del(cdns_plat_pcie->pcie->link[phy_count]);  in cdns_plat_pcie_probe()
143 	struct device *dev = &pdev->dev;  in cdns_plat_pcie_shutdown()
166 		.compatible = "cdns,cdns-pcie-host",
170 		.compatible = "cdns,cdns-pcie-ep",
178 		.name = "cdns-pcie",