blob: 81ff0b5e6efa358821070288f8eeefa65fd9c393 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
|
/*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*
* Copyright (C) 2012 John Crispin <blogic@openwrt.org>
*/
#include <linux/of_irq.h>
#include <linux/of_pci.h>
int (*ltq_pci_plat_arch_init)(struct pci_dev *dev) = NULL;
int (*ltq_pci_plat_dev_init)(struct pci_dev *dev) = NULL;
int pcibios_plat_dev_init(struct pci_dev *dev)
{
if (ltq_pci_plat_arch_init)
return ltq_pci_plat_arch_init(dev);
if (ltq_pci_plat_dev_init)
return ltq_pci_plat_dev_init(dev);
return 0;
}
int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
{
struct of_phandle_args dev_irq;
int irq;
if (of_irq_parse_pci(dev, &dev_irq)) {
dev_err(&dev->dev, "trying to map irq for unknown slot:%d pin:%d\n",
slot, pin);
return 0;
}
irq = irq_create_of_mapping(dev_irq.np, dev_irq.args, dev_irq.args_count);
dev_info(&dev->dev, "SLOT:%d PIN:%d IRQ:%d\n", slot, pin, irq);
return irq;
}
|