[POWERPC] fix ioremap for a combined kernel
Stephen Rothwell [Mon, 25 Sep 2006 03:36:31 +0000 (13:36 +1000)]
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>

arch/powerpc/mm/pgtable_64.c

index b1da031..ac64f4a 100644 (file)
 #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 addr, unsigned long size,
        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 *token)
 {
        void *addr;
 
+       if (firmware_has_feature(FW_FEATURE_ISERIES))
+               return;
+
        if (!mem_init_done)
                return;
        
@@ -315,8 +302,6 @@ int iounmap_explicit(volatile void __iomem *start, unsigned long size)
        return 0;
 }
 
-#endif
-
 EXPORT_SYMBOL(ioremap);
 EXPORT_SYMBOL(__ioremap);
 EXPORT_SYMBOL(iounmap);