arch/sh/include/asm/uncached.h

   1 #ifndef __ASM_SH_UNCACHED_H
   2 #define __ASM_SH_UNCACHED_H
   3
   4 #include <linux/bug.h>
   5
   6 #ifdef CONFIG_UNCACHED_MAPPING
   7 extern unsigned long uncached_start, uncached_end;
   8
   9 extern int virt_addr_uncached(unsigned long kaddr);
  10 extern void uncached_init(void);
  11 extern void uncached_resize(unsigned long size);
  12 #else
  13 #define virt_addr_uncached(kaddr)       (0)
  14 #define uncached_init()                 do { } while (0)
  15 #define uncached_resize(size)           BUG()
  16 #endif
  17
  18 #endif /* __ASM_SH_UNCACHED_H */