---

yaml
---
r: 63025
b: refs/heads/master
c: 6dfbde2
h: refs/heads/master
i:
  63023: 3eee81a
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f5d834fc34e61f1a40435981062000e5d2b2baa8
+refs/heads/master: 6dfbde209171cd15407e7540d363a434a489aaca

trunk/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.
  */

trunk/include/asm-powerpc/pci-bridge.h

@@ -71,6 +71,14 @@ static inline struct pci_controller *pci_bus_to_host(struct pci_bus *bus)
 	return bus->sysdata;
 }
 
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+	/* No specific ISA handling on ppc32 at this stage, it
+	 * all goes through PCI
+	 */
+	return 0;
+}
+
 /* These are used for config access before all the PCI probing
    has been done. */
 int early_read_config_byte(struct pci_controller *hose, int bus, int dev_fn,
@@ -241,6 +249,13 @@ extern void pcibios_free_controller(struct pci_controller *phb);
 
 extern void isa_bridge_find_early(struct pci_controller *hose);
 
+static inline int isa_vaddr_is_ioport(void __iomem *address)
+{
+	/* Check if address hits the reserved legacy IO range */
+	unsigned long ea = (unsigned long)address;
+	return ea >= ISA_IO_BASE && ea < ISA_IO_END;
+}
+
 extern int pcibios_unmap_io_space(struct pci_bus *bus);
 extern int pcibios_map_io_space(struct pci_bus *bus);
 
@@ -271,11 +286,16 @@ extern struct pci_controller *
 pcibios_alloc_controller(struct device_node *dev);
 #ifdef CONFIG_PCI
 extern unsigned long pci_address_to_pio(phys_addr_t address);
+extern int pcibios_vaddr_is_ioport(void __iomem *address);
 #else
 static inline unsigned long pci_address_to_pio(phys_addr_t address)
 {
 	return (unsigned long)-1;
 }
+static inline int pcibios_vaddr_is_ioport(void __iomem *address)
+{
+	return 0;
+}
 #endif