Root/target/linux/lantiq/files/arch/mips/pci/fixup-lantiq.c

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
12int (*ltqpci_map_irq)(const struct pci_dev *dev, u8 slot, u8 pin) = NULL;
13int (*ltqpci_plat_arch_init)(struct pci_dev *dev) = NULL;
14int (*ltqpci_plat_dev_init)(struct pci_dev *dev) = NULL;
15int *ltq_pci_irq_map;
16
17int pcibios_plat_dev_init(struct pci_dev *dev)
18{
19    if (ltqpci_plat_arch_init)
20        return ltqpci_plat_arch_init(dev);
21
22    if (ltqpci_plat_dev_init)
23        return ltqpci_plat_dev_init(dev);
24
25    return 0;
26}
27
28int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
29{
30    if (ltqpci_map_irq)
31        return ltqpci_map_irq(dev, slot, pin);
32    if (ltq_pci_irq_map[slot]) {
33        dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, ltq_pci_irq_map[slot]);
34        return ltq_pci_irq_map[slot];
35    }
36    printk(KERN_ERR "lq_pci: trying to map irq for unknown slot %d\n",
37        slot);
38
39    return 0;
40}
41
42
43

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