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authorDavid S. Miller <davem@davemloft.net>2008-09-08 15:39:30 -0700
committerDavid S. Miller <davem@davemloft.net>2008-09-08 15:39:30 -0700
commit98d86c091534f35c4bab294451ae6bccab8e9075 (patch)
tree98c9f0b80bb078405cf173f1d5cc91c72e77082d /arch/sparc64/kernel/of_device.c
parentd875a4b0ffad754e6d89fa561ea7dcdd79c9508b (diff)
parent4d084617fb0d025c42c242362d1f27d337e2d407 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6
Conflicts: arch/sparc/kernel/of_device.c
Diffstat (limited to 'arch/sparc64/kernel/of_device.c')
-rw-r--r--arch/sparc64/kernel/of_device.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index c15bcdf75c0..5c4fbc23aee 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -119,7 +119,7 @@ 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);
};
/*
@@ -179,8 +179,10 @@ 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;
}
@@ -272,17 +274,21 @@ 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;
@@ -510,10 +516,10 @@ 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;
@@ -538,6 +544,8 @@ 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;