1 // SPDX-License-Identifier: GPL-2.0-or-later
4  * CTU CAN FD IP Core
6  * Copyright (C) 2015-2018 Ondrej Ille <ondrej.ille@gmail.com> FEE CTU
7  * Copyright (C) 2018-2021 Ondrej Ille <ondrej.ille@gmail.com> self-funded
8  * Copyright (C) 2018-2019 Martin Jerabek <martin.jerabek01@gmail.com> FEE CTU
9  * Copyright (C) 2018-2022 Pavel Pisa <pisa@cmp.felk.cvut.cz> FEE CTU/self-funded
68 	list_add(&priv->peers_on_pdev, &bdata->ndev_list_head);  in ctucan_pci_set_drvdata()
69 	priv->irq_flags = IRQF_SHARED;  in ctucan_pci_set_drvdata()
73  * ctucan_pci_probe - PCI registration call
85 	struct device	*dev = &pdev->dev;  in ctucan_pci_probe()
86 	unsigned long driver_data = ent->driver_data;  in ctucan_pci_probe()
130 		ret = -ENOMEM;  in ctucan_pci_probe()
138 		ret = -EIO;  in ctucan_pci_probe()
152 	irq = pdev->irq;  in ctucan_pci_probe()
158 		ret = -ENOMEM;  in ctucan_pci_probe()
162 	INIT_LIST_HEAD(&bdata->ndev_list_head);  in ctucan_pci_probe()
163 	bdata->bar0_base = bar0_base;  in ctucan_pci_probe()
164 	bdata->cra_base = cra_addr;  in ctucan_pci_probe()
165 	bdata->bar1_base = addr;  in ctucan_pci_probe()
166 	bdata->use_msi = msi_ok;  in ctucan_pci_probe()
182 			dev_info(dev, "CTU CAN FD core %d initialization failed\n",  in ctucan_pci_probe()
190 	 * Avalon-MM to PCI Express Interrupt Enable Register  in ctucan_pci_probe()
221  * ctucan_pci_remove - Unregister the device after releasing the resources
233 	dev_dbg(&pdev->dev, "ctucan_remove");  in ctucan_pci_remove()
236 		dev_err(&pdev->dev, "%s: no list of devices\n", __func__);  in ctucan_pci_remove()
241 	 * Avalon-MM to PCI Express Interrupt Enable Register  in ctucan_pci_remove()
243 	if (bdata->cra_base)  in ctucan_pci_remove()
244 		iowrite32(0, bdata->cra_base + CYCLONE_IV_CRA_A2P_IE);  in ctucan_pci_remove()
246 	while ((priv = list_first_entry_or_null(&bdata->ndev_list_head, struct ctucan_priv,  in ctucan_pci_remove()
248 		ndev = priv->can.dev;  in ctucan_pci_remove()
252 		netif_napi_del(&priv->napi);  in ctucan_pci_remove()
254 		list_del_init(&priv->peers_on_pdev);  in ctucan_pci_remove()
258 	pci_iounmap(pdev, bdata->bar1_base);  in ctucan_pci_remove()
260 	if (bdata->use_msi) {  in ctucan_pci_remove()
268 	pci_iounmap(pdev, bdata->bar0_base);  in ctucan_pci_remove()
294 MODULE_DESCRIPTION("CTU CAN FD for PCI bus");