diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/kernel/pci-common.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/powerpc/kernel/pci-common.c b/arch/powerpc/kernel/pci-common.c index fe7d1255e11e..74a8fd450f67 100644 --- a/arch/powerpc/kernel/pci-common.c +++ b/arch/powerpc/kernel/pci-common.c @@ -101,6 +101,29 @@ void pcibios_free_controller(struct pci_controller *phb) kfree(phb); } +int pcibios_vaddr_is_ioport(void __iomem *address) +{ + int ret = 0; + struct pci_controller *hose; + unsigned long size; + + spin_lock(&hose_spinlock); + list_for_each_entry(hose, &hose_list, list_node) { +#ifdef CONFIG_PPC64 + size = hose->pci_io_size; +#else + size = hose->io_resource.end - hose->io_resource.start + 1; +#endif + if (address >= hose->io_base_virt && + address < (hose->io_base_virt + size)) { + ret = 1; + break; + } + } + spin_unlock(&hose_spinlock); + return ret; +} + /* * Return the domain number for this bus. */ |