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authorJeremy Fitzhardinge <jeremy@goop.org>2008-09-11 10:31:50 +0200
committerIngo Molnar <mingo@elte.hu>2008-09-14 17:24:27 +0200
commit8308c54d7e312f7a03e2ce2057d0837e6fe3843f (patch)
tree452b32a3d2182c4d150d632f243e31f16b2ac0ce /arch/powerpc/sysdev/ppc4xx_pci.c
parentgeneric: make PFN_PHYS explicitly return phys_addr_t (diff)
downloadlinux-8308c54d7e312f7a03e2ce2057d0837e6fe3843f.tar.xz
linux-8308c54d7e312f7a03e2ce2057d0837e6fe3843f.zip
generic: redefine resource_size_t as phys_addr_t
There's no good reason why a resource_size_t shouldn't just be a physical address, so simply redefine it in terms of phys_addr_t. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/powerpc/sysdev/ppc4xx_pci.c')
-rw-r--r--arch/powerpc/sysdev/ppc4xx_pci.c16
1 files changed, 6 insertions, 10 deletions
diff --git a/arch/powerpc/sysdev/ppc4xx_pci.c b/arch/powerpc/sysdev/ppc4xx_pci.c
index fb368dfde5d4..e8a76d9539db 100644
--- a/arch/powerpc/sysdev/ppc4xx_pci.c
+++ b/arch/powerpc/sysdev/ppc4xx_pci.c
@@ -41,13 +41,10 @@ extern unsigned long total_memory;
#define U64_TO_U32_LOW(val) ((u32)((val) & 0x00000000ffffffffULL))
#define U64_TO_U32_HIGH(val) ((u32)((val) >> 32))
-#ifdef CONFIG_RESOURCES_64BIT
-#define RES_TO_U32_LOW(val) U64_TO_U32_LOW(val)
-#define RES_TO_U32_HIGH(val) U64_TO_U32_HIGH(val)
-#else
-#define RES_TO_U32_LOW(val) (val)
-#define RES_TO_U32_HIGH(val) (0)
-#endif
+#define RES_TO_U32_LOW(val) \
+ ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_LOW(val) : (val))
+#define RES_TO_U32_HIGH(val) \
+ ((sizeof(resource_size_t) > sizeof(u32)) ? U64_TO_U32_HIGH(val) : (0))
static inline int ppc440spe_revA(void)
{
@@ -145,12 +142,11 @@ static int __init ppc4xx_parse_dma_ranges(struct pci_controller *hose,
/* Use that */
res->start = pci_addr;
-#ifndef CONFIG_RESOURCES_64BIT
/* Beware of 32 bits resources */
- if ((pci_addr + size) > 0x100000000ull)
+ if (sizeof(resource_size_t) == sizeof(u32) &&
+ (pci_addr + size) > 0x100000000ull)
res->end = 0xffffffff;
else
-#endif
res->end = res->start + size - 1;
break;
}