| John Crispin | 57c8cb8 | 2012-05-11 18:47:30 +0200 | [diff] [blame] | 1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify it |
| 3 | * under the terms of the GNU General Public License version 2 as published |
| 4 | * by the Free Software Foundation. |
| 5 | * |
| 6 | * Copyright (C) 2012 John Crispin <blogic@openwrt.org> |
| 7 | */ |
| 8 | |
| 9 | #include <linux/of_irq.h> |
| 10 | #include <linux/of_pci.h> |
| 11 | |
| 12 | int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL; |
| 13 | int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL; |
| 14 | |
| 15 | int pcibios_plat_dev_init(struct pci_dev *dev) |
| 16 | { |
| 17 | if (ltq_pci_plat_arch_init) |
| 18 | return ltq_pci_plat_arch_init(dev); |
| 19 | |
| 20 | if (ltq_pci_plat_dev_init) |
| 21 | return ltq_pci_plat_dev_init(dev); |
| 22 | |
| 23 | return 0; |
| 24 | } |
| 25 | |
| 26 | int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin) |
| 27 | { |
| 28 | struct of_irq dev_irq; |
| 29 | int irq; |
| 30 | |
| 31 | if (of_irq_map_pci(dev, &dev_irq)) { |
| 32 | dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n", |
| 33 | slot, pin); |
| 34 | return 0; |
| 35 | } |
| 36 | irq = irq_create_of_mapping(dev_irq.controller, dev_irq.specifier, |
| 37 | dev_irq.size); |
| 38 | dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq); |
| 39 | return irq; |
| 40 | } |