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authorLuck, Tony <tony.luck@intel.com>2009-12-14 20:00:36 +0000
committerDavid Woodhouse <David.Woodhouse@intel.com>2009-12-16 02:45:10 +0000
commitcd7bcf32d42b15891620b3f1387a00178b54291a (patch)
tree89c87e8af349c09e8845898f575bdfe100557ec5
parent354bb65e6e0df0aaae0e5b1ea33948d8e0b61418 (diff)
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>
-rw-r--r--arch/ia64/include/asm/io.h2
-rw-r--r--arch/ia64/mm/ioremap.c11
2 files changed, 13 insertions, 0 deletions
diff --git a/arch/ia64/include/asm/io.h b/arch/ia64/include/asm/io.h
index 0d9d16e2d94..cc8335eb311 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 2a140627dfd..3dccdd8eb27 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -22,6 +22,12 @@ __ioremap (unsigned long 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)
{
void __iomem *addr;
@@ -102,6 +108,11 @@ 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)
{
if (REGION_NUMBER(addr) == RGN_GATE)