[PATCH 4/7] [POWERPC] fix ioremap for a combined kernel
Stephen Rothwell
sfr at canb.auug.org.au
Tue Sep 26 13:37:56 EST 2006
Signed-off-by: Stephen Rothwell <sfr at canb.auug.org.au>
---
arch/powerpc/mm/pgtable_64.c | 29 +++++++----------------------
1 files changed, 7 insertions(+), 22 deletions(-)
--
Cheers,
Stephen Rothwell sfr at canb.auug.org.au
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index b1da031..ac64f4a 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -63,32 +63,13 @@ #include <asm/system.h>
#include <asm/iommu.h>
#include <asm/abs_addr.h>
#include <asm/vdso.h>
+#include <asm/firmware.h>
#include "mmu_decl.h"
unsigned long ioremap_bot = IMALLOC_BASE;
static unsigned long phbs_io_bot = PHBS_IO_BASE;
-#ifdef CONFIG_PPC_ISERIES
-
-void __iomem *ioremap(unsigned long addr, unsigned long size)
-{
- return (void __iomem *)addr;
-}
-
-extern void __iomem *__ioremap(unsigned long addr, unsigned long size,
- unsigned long flags)
-{
- return (void __iomem *)addr;
-}
-
-void iounmap(volatile void __iomem *addr)
-{
- return;
-}
-
-#else
-
/*
* map_io_page currently only called by __ioremap
* map_io_page adds an entry to the ioremap page table
@@ -161,6 +142,9 @@ void __iomem * __ioremap(unsigned long a
unsigned long pa, ea;
void __iomem *ret;
+ if (firmware_has_feature(FW_FEATURE_ISERIES))
+ return (void __iomem *)addr;
+
/*
* Choose an address to map it to.
* Once the imalloc system is running, we use it.
@@ -255,6 +239,9 @@ void iounmap(volatile void __iomem *toke
{
void *addr;
+ if (firmware_has_feature(FW_FEATURE_ISERIES))
+ return;
+
if (!mem_init_done)
return;
@@ -315,8 +302,6 @@ int iounmap_explicit(volatile void __iom
return 0;
}
-#endif
-
EXPORT_SYMBOL(ioremap);
EXPORT_SYMBOL(__ioremap);
EXPORT_SYMBOL(iounmap);
--
1.4.2.1
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