UIO: minor style and comment fixes

[linux-2.6-omap-h63xx.git] / include / asm-x86 / io.h

diff --git a/include/asm-x86/io.h b/include/asm-x86/io.h
index 8e9eca93f9b9bbdbd4dcc45192c3969c2f880b62..bf5d629b3a39a369256564db15ba2d66eb4a014a 100644 (file)
--- a/include/asm-x86/io.h
+++ b/include/asm-x86/io.h
@@ -5,6 +5,20 @@
 
 #include <linux/compiler.h>
 
+/*
+ * 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.
+ */
+#ifndef __ASSEMBLY__
+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
+
 #define build_mmio_read(name, size, type, reg, barrier) \
 static inline type name(const volatile void __iomem *addr) \
 { type ret; asm volatile("mov" size " %1,%0":"=" reg (ret) \
@@ -72,4 +86,17 @@ 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 */