microblaze/PCI: Moving PCI iounmap and dependent code

[sfrench/cifs-2.6.git] / arch / microblaze / pci / iomap.c

diff --git a/arch/microblaze/pci/iomap.c b/arch/microblaze/pci/iomap.c
index bde74af4c1cd8dc93e61db61d9b475ede03d0c2e..b2ee8ace9b6efe2c625fd2c40cdd735696486fa0 100644 (file)
--- a/arch/microblaze/pci/iomap.c
+++ b/arch/microblaze/pci/iomap.c
@@ -11,6 +11,42 @@
 #include <linux/io.h>
 #include <asm/pci-bridge.h>
 
+static DEFINE_SPINLOCK(hose_spinlock);
+LIST_HEAD(hose_list);
+
+unsigned long isa_io_base;
+EXPORT_SYMBOL(isa_io_base);
+
+static resource_size_t pcibios_io_size(const struct pci_controller *hose)
+{
+       return resource_size(&hose->io_resource);
+}
+
+int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+       int ret = 0;
+       struct pci_controller *hose;
+       resource_size_t size;
+
+       spin_lock(&hose_spinlock);
+       list_for_each_entry(hose, &hose_list, list_node) {
+               size = pcibios_io_size(hose);
+               if (address >= hose->io_base_virt &&
+                   address < (hose->io_base_virt + size)) {
+                       ret = 1;
+                       break;
+               }
+       }
+       spin_unlock(&hose_spinlock);
+       return ret;
+}
+
+/* Display the domain number in /proc */
+int pci_proc_domain(struct pci_bus *bus)
+{
+       return pci_domain_nr(bus);
+}
+
 void pci_iounmap(struct pci_dev *dev, void __iomem *addr)
 {
        if (isa_vaddr_is_ioport(addr))