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authorJeremy Fitzhardinge <jeremy@goop.org>2008-06-25 00:19:03 -0400
committerIngo Molnar <mingo@elte.hu>2008-07-08 13:10:28 +0200
commit4583ed514ea9ac844a6eb02d33120beaedf6837f (patch)
tree9df2d1e1a5d1726303f761954593defc483e2d20 /include/asm-x86/io.h
parentbb23e403e5162765dabe3dc78646724753d6359b (diff)
x86, 64-bit: unify early_ioremap
The 32-bit early_ioremap will work equally well for 64-bit, so just use it. Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> Cc: xen-devel <xen-devel@lists.xensource.com> Cc: Stephen Tweedie <sct@redhat.com> Cc: Eduardo Habkost <ehabkost@redhat.com> Cc: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/asm-x86/io.h')
-rw-r--r--include/asm-x86/io.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 8e9eca93f9b..c63563df4ac 100644
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -72,4 +72,17 @@ 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);
+/*
+ * early_ioremap() and early_iounmap() are for temporary early boot-time
+ * mappings, before the real ioremap() is functional.
+ * A boot-time mapping is currently limited to at most 16 pages.
+ */
+extern void early_ioremap_init(void);
+extern void early_ioremap_clear(void);
+extern void early_ioremap_reset(void);
+extern void *early_ioremap(unsigned long offset, unsigned long size);
+extern void early_iounmap(void *addr, unsigned long size);
+extern void __iomem *fix_ioremap(unsigned idx, unsigned long phys);
+
+
#endif /* _ASM_X86_IO_H */