implement early_io{re,un}map for ia64

Needed for commit 2c99220 ("intel-iommu: Detect DMAR in hyperspace at probe time.) to build on IA64. Signed-off-by: Tony Luck <tony.luck@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
git-mirror · Dec 16, 2009 · cd7bcf3 · cd7bcf3
1 parent 354bb65
commit cd7bcf3
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diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
@@ -424,6 +424,8 @@ __writeq (unsigned long val, volatile void __iomem *addr)
 extern void __iomem * ioremap(unsigned long offset, unsigned long size);
 extern void __iomem * ioremap_nocache (unsigned long offset, unsigned long size);
 extern void iounmap (volatile void __iomem *addr);
+extern void __iomem * early_ioremap (unsigned long phys_addr, unsigned long size);
+extern void early_iounmap (volatile void __iomem *addr, unsigned long size);
 
 /*
  * String version of IO memory access ops:

diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
@@ -21,6 +21,12 @@ __ioremap (unsigned long phys_addr)
 	return (void __iomem *) (__IA64_UNCACHED_OFFSET | phys_addr);
 }
 
+void __iomem *
+early_ioremap (unsigned long phys_addr, unsigned long size)
+{
+	return __ioremap(phys_addr);
+}
+
 void __iomem *
 ioremap (unsigned long phys_addr, unsigned long size)
 {
@@ -101,6 +107,11 @@ ioremap_nocache (unsigned long phys_addr, unsigned long size)
 }
 EXPORT_SYMBOL(ioremap_nocache);
 
+void
+early_iounmap (volatile void __iomem *addr, unsigned long size)
+{
+}
+
 void
 iounmap (volatile void __iomem *addr)
 {