From cd7bcf32d42b15891620b3f1387a00178b54291a Mon Sep 17 00:00:00 2001
From: "Luck, Tony" <tony.luck@intel.com>
Date: Mon, 14 Dec 2009 20:00:36 +0000
Subject: implement early_io{re,un}map for ia64
Needed for commit 2c992208 ("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>
---
arch/ia64/include/asm/io.h | 2 ++
arch/ia64/mm/ioremap.c | 11 +++++++++++
2 files changed, 13 insertions(+)
(limited to 'arch/ia64')
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index 0d9d16e2d949..cc8335eb3110 100644
--- 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
index 2a140627dfd6..3dccdd8eb275 100644
--- 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)
{
--
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