ARM: 7409/1: Do not call flush_cache_user_range with mmap_sem held
[linux/fpc-iii.git] / arch / mn10300 / unit-asb2305 / pci-irq.c
blob91212ea71e697257350e553c81bffb24b5e2f832
1 /* PCI IRQ routing on the MN103E010 based ASB2305
3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
11 * This is simple: All PCI interrupts route through the CPU's XIRQ1 pin [IRQ 35]
13 #include <linux/types.h>
14 #include <linux/kernel.h>
15 #include <linux/pci.h>
16 #include <linux/init.h>
17 #include <linux/interrupt.h>
18 #include <linux/irq.h>
19 #include <asm/io.h>
20 #include <asm/smp.h>
21 #include "pci-asb2305.h"
23 void __init pcibios_irq_init(void)
27 void __init pcibios_fixup_irqs(void)
29 struct pci_dev *dev = NULL;
30 u8 line, pin;
32 while ((dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev)) != NULL) {
33 pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
34 if (pin) {
35 dev->irq = XIRQ1;
36 pci_write_config_byte(dev, PCI_INTERRUPT_LINE,
37 dev->irq);
39 pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &line);
43 void __init pcibios_penalize_isa_irq(int irq)
47 void pcibios_enable_irq(struct pci_dev *dev)
49 pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);