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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2008-06-25 00:19:03 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 13:10:28 +0200 |
| commit | 4583ed514ea9ac844a6eb02d33120beaedf6837f (patch) | |
| tree | 9df2d1e1a5d1726303f761954593defc483e2d20 /include/asm-x86/io.h | |
| parent | bb23e403e5162765dabe3dc78646724753d6359b (diff) | |
| download | blackbird-op-linux-4583ed514ea9ac844a6eb02d33120beaedf6837f.tar.gz blackbird-op-linux-4583ed514ea9ac844a6eb02d33120beaedf6837f.zip | |
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.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h index 8e9eca93f9b9..c63563df4ac8 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 */ |
