2 files changed, 28 insertions, 11 deletions

diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index cc4c235c4f59..c481d45f97b7 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -70,7 +70,7 @@ struct of_bus {
                                        int *addrc, int *sizec);
         int             (*map)(u32 *addr, const u32 *range,
                                int na, int ns, int pna);
-        unsigned int    (*get_flags)(const u32 *addr);
+        unsigned long   (*get_flags)(const u32 *addr, unsigned long);
 };
 
 /*
@@ -130,8 +130,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range,
         return 0;
 }
 
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags)
 {
+        if (flags)
+                return flags;
         return IORESOURCE_MEM;
 }
 
@@ -194,17 +196,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
         return 0;
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 {
-        unsigned int flags = 0;
         u32 w = addr[0];
 
+        /* For PCI, we override whatever child busses may have used.  */
+        flags = 0;
         switch((w >> 24) & 0x03) {
         case 0x01:
                 flags |= IORESOURCE_IO;
+                break;
+
         case 0x02: /* 32 bits */
         case 0x03: /* 64 bits */
                 flags |= IORESOURCE_MEM;
+                break;
         }
         if (w & 0x40000000)
                 flags |= IORESOURCE_PREFETCH;
@@ -362,10 +368,11 @@ static void __init build_device_resources(struct of_device *op,
                 int pna, pns;
 
                 size = of_read_addr(reg + na, ns);
-                flags = bus->get_flags(reg);
 
                 memcpy(addr, reg, na * 4);
 
+                flags = bus->get_flags(reg, 0);
+
                 /* If the immediate parent has no ranges property to apply,
                  * just use a 1<->1 mapping.
                  */
@@ -393,6 +400,8 @@ static void __init build_device_resources(struct of_device *op,
                                                dna, dns, pna))
                                 break;
 
+                        flags = pbus->get_flags(addr, flags);
+
                         dna = pna;
                         dns = pns;
                         dbus = pbus;
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index f8b50cbf4bf7..f845f150f565 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -96,7 +96,7 @@ struct of_bus {
                                        int *addrc, int *sizec);
         int             (*map)(u32 *addr, const u32 *range,
                                int na, int ns, int pna);
-        unsigned int    (*get_flags)(const u32 *addr);
+        unsigned long   (*get_flags)(const u32 *addr, unsigned long);
 };
 
 /*
@@ -156,8 +156,10 @@ static int of_bus_default_map(u32 *addr, const u32 *range,
         return 0;
 }
 
-static unsigned int of_bus_default_get_flags(const u32 *addr)
+static unsigned long of_bus_default_get_flags(const u32 *addr, unsigned long flags)
 {
+        if (flags)
+                return flags;
         return IORESOURCE_MEM;
 }
 
@@ -249,17 +251,21 @@ static int of_bus_pci_map(u32 *addr, const u32 *range,
         return 0;
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
+static unsigned long of_bus_pci_get_flags(const u32 *addr, unsigned long flags)
 {
-        unsigned int flags = 0;
         u32 w = addr[0];
 
+        /* For PCI, we override whatever child busses may have used.  */
+        flags = 0;
         switch((w >> 24) & 0x03) {
         case 0x01:
                 flags |= IORESOURCE_IO;
+                break;
+
         case 0x02: /* 32 bits */
         case 0x03: /* 64 bits */
                 flags |= IORESOURCE_MEM;
+                break;
         }
         if (w & 0x40000000)
                 flags |= IORESOURCE_PREFETCH;
@@ -478,10 +484,10 @@ static void __init build_device_resources(struct of_device *op,
                 int pna, pns;
 
                 size = of_read_addr(reg + na, ns);
-                flags = bus->get_flags(reg);
-
                 memcpy(addr, reg, na * 4);
 
+                flags = bus->get_flags(addr, 0);
+
                 if (use_1to1_mapping(pp)) {
                         result = of_read_addr(addr, na);
                         goto build_res;
@@ -506,6 +512,8 @@ static void __init build_device_resources(struct of_device *op,
                                                dna, dns, pna))
                                 break;
 
+                        flags = pbus->get_flags(addr, flags);
+
                         dna = pna;
                         dns = pns;
                         dbus = pbus;