aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/kernel/prom_parse.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@elte.hu>2008-10-15 13:46:29 +0200
committerIngo Molnar <mingo@elte.hu>2008-10-15 13:46:29 +0200
commitb2aaf8f74cdc84a9182f6cabf198b7763bcb9d40 (patch)
tree53ccb1c2c14751fe69cf93102e76e97021f6df07 /arch/powerpc/kernel/prom_parse.c
parent4f962d4d65923d7b722192e729840cfb79af0a5a (diff)
parent278429cff8809958d25415ba0ed32b59866ab1a8 (diff)
Merge branch 'linus' into stackprotector
Conflicts: arch/x86/kernel/Makefile include/asm-x86/pda.h
Diffstat (limited to 'arch/powerpc/kernel/prom_parse.c')
-rw-r--r--arch/powerpc/kernel/prom_parse.c44
1 files changed, 24 insertions, 20 deletions
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 90eb3a3e383..bc1fb27368a 100644
--- 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)
{