diff options
Diffstat (limited to 'arch/ppc')
| -rw-r--r-- | arch/ppc/kernel/pci.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/ppc/kernel/pci.c b/arch/ppc/kernel/pci.c index 8de320308e8..c8b48f17169 100644 --- a/arch/ppc/kernel/pci.c +++ b/arch/ppc/kernel/pci.c @@ -1811,7 +1811,7 @@ void pci_iounmap(struct pci_dev *dev, void __iomem *addr) EXPORT_SYMBOL(pci_iomap); EXPORT_SYMBOL(pci_iounmap); -unsigned int pci_address_to_pio(phys_addr_t address) +unsigned long pci_address_to_pio(phys_addr_t address) { struct pci_controller* hose = hose_head; @@ -1819,9 +1819,11 @@ unsigned int pci_address_to_pio(phys_addr_t address) unsigned int size = hose->io_resource.end - hose->io_resource.start + 1; if (address >= hose->io_base_phys && - address < (hose->io_base_phys + size)) - return (unsigned int)hose->io_base_virt + - (address - hose->io_base_phys); + address < (hose->io_base_phys + size)) { + unsigned long base = + (unsigned long)hose->io_base_virt - _IO_BASE; + return base + (address - hose->io_base_phys); + } return (unsigned int)-1; } |