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authorLuck, Tony <tony.luck@intel.com>2009-12-14 15:00:37 -0500
committerTony Luck <tony.luck@intel.com>2009-12-14 16:40:36 -0800
commit430677133fd5a2033222b3b5016bb461fe8fabf2 (patch)
treefe4f8972048b2eeb692c537d64a99361c33c1482 /arch/ia64
parent21fc3fded7095f6018e770412b6881ced4c09d6f (diff)
downloadlinux-430677133fd5a2033222b3b5016bb461fe8fabf2.tar.bz2
[IA64] implement early_io{re,un}map for ia64
drivers/pci/dmar.c uses these functions, so provide them for ia64 Signed-off-by: Tony Luck <tony.luck@intel.com>
Diffstat (limited to 'arch/ia64')
-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 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
@@ -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)