1 files changed, 33 insertions, 4 deletions

diff --git a/arch/m68k/include/asm/div64.h b/arch/m68k/include/asm/div64.h
index d211d9f54276..edb66148a71d 100644
--- a/arch/m68k/include/asm/div64.h
+++ b/arch/m68k/include/asm/div64.h
@@ -1,5 +1,34 @@
-#ifdef __uClinux__
-#include "div64_no.h"
+#ifndef _M68K_DIV64_H
+#define _M68K_DIV64_H
+
+#ifdef CONFIG_MMU
+
+#include <linux/types.h>
+
+/* n = n / base; return rem; */
+
+#define do_div(n, base) ({                                      \
+        union {                                                 \
+                unsigned long n32[2];                           \
+                unsigned long long n64;                         \
+        } __n;                                                  \
+        unsigned long __rem, __upper;                           \
+                                                                \
+        __n.n64 = (n);                                          \
+        if ((__upper = __n.n32[0])) {                           \
+                asm ("divul.l %2,%1:%0"                         \
+                        : "=d" (__n.n32[0]), "=d" (__upper)     \
+                        : "d" (base), "0" (__n.n32[0]));        \
+        }                                                       \
+        asm ("divu.l %2,%1:%0"                                  \
+                : "=d" (__n.n32[1]), "=d" (__rem)               \
+                : "d" (base), "1" (__upper), "0" (__n.n32[1])); \
+        (n) = __n.n64;                                          \
+        __rem;                                                  \
+})
+
 #else
-#include "div64_mm.h"
-#endif
+#include <asm-generic/div64.h>
+#endif /* CONFIG_MMU */
+
+#endif /* _M68K_DIV64_H */