summaryrefslogtreecommitdiffstats
path: root/include/asm-x86/io.h
diff options
context:
space:
mode:
authorvenkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com>2008-03-18 17:00:24 -0700
committerIngo Molnar <mingo@elte.hu>2008-04-17 17:41:20 +0200
commitb310f381d220b2c6e3fab16e8c6e4ca13eea75b2 (patch)
treedd25df964cd1280ee4f908002726b5ab921da807 /include/asm-x86/io.h
parentef354af4629e5cc76a3f64fc46d452f2b56d5a59 (diff)
x86: PAT add ioremap_wc() interface
Introduce ioremap_wc for wc remap. (generic wrapper is in a later patch) Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com> Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/io.h')
-rw-r--r--include/asm-x86/io.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 6fa150fa68f..599cad3505c 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -1,3 +1,5 @@
+#define ARCH_HAS_IOREMAP_WC
+
#ifdef CONFIG_X86_32
# include "io_32.h"
#else
@@ -5,4 +7,5 @@
#endif
extern int ioremap_change_attr(unsigned long vaddr, unsigned long size,
unsigned long prot_val);
+extern void __iomem * ioremap_wc(unsigned long offset, unsigned long size);