Merge branch 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc

[linux-2.6-omap-h63xx.git] / arch / powerpc / kernel / prom_parse.c

diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 90eb3a3e383ef008d81c848097e1b9f0fd8cd506..a11d68976dc840fdf545120f94cda1c746a362c8 100644 (file)
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -128,12 +128,35 @@ static void of_bus_pci_count_cells(struct device_node *np,
                *sizec = 2;
 }
 
+static unsigned int of_bus_pci_get_flags(const u32 *addr)
+{
+       unsigned int flags = 0;
+       u32 w = addr[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;
+       return flags;
+}
+
 static u64 of_bus_pci_map(u32 *addr, const u32 *range, int na, int ns, int pna)
 {
        u64 cp, s, da;
+       unsigned int af, rf;
+
+       af = of_bus_pci_get_flags(addr);
+       rf = of_bus_pci_get_flags(range);
 
        /* Check address type match */
-       if ((addr[0] ^ range[0]) & 0x03000000)
+       if ((af ^ rf) & (IORESOURCE_MEM | IORESOURCE_IO))
                return OF_BAD_ADDR;
 
        /* Read address values, skipping high cell */
@@ -153,25 +176,6 @@ static int of_bus_pci_translate(u32 *addr, u64 offset, int na)
        return of_bus_default_translate(addr + 1, offset, na - 1);
 }
 
-static unsigned int of_bus_pci_get_flags(const u32 *addr)
-{
-       unsigned int flags = 0;
-       u32 w = addr[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;
-       return flags;
-}
-
 const u32 *of_get_pci_address(struct device_node *dev, int bar_no, u64 *size,
                        unsigned int *flags)
 {
@@ -246,8 +250,11 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
         * parsing
         */
        dn = pci_device_to_OF_node(pdev);
-       if (dn)
-               return of_irq_map_one(dn, 0, out_irq);
+       if (dn) {
+               rc = of_irq_map_one(dn, 0, out_irq);
+               if (!rc)
+                       return rc;
+       }
 
        /* Ok, we don't, time to have fun. Let's start by building up an
         * interrupt spec.  we assume #interrupt-cells is 1, which is standard