diff --git a/include/asm-avr32/delay.h b/include/asm-avr32/delay.h
index cc3b2e3343b35d3e16321086005a9c9fd7cc4078..a0ed9a9839a54f2982468da7e0ade766d5176343 100644
--- a/include/asm-avr32/delay.h
+++ b/include/asm-avr32/delay.h
@@ -12,7 +12,7 @@ extern void __bad_ndelay(void);
 
 extern void __udelay(unsigned long usecs);
 extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long xloops);
 extern void __delay(unsigned long loops);
 
 #define udelay(n) (__builtin_constant_p(n) ? \
diff --git a/include/asm-m32r/delay.h b/include/asm-m32r/delay.h
index 164448d23850ec312843ba722d7962822f05444d..9dd9e999ea69cdd0a20b7c9e15e6b5788b03f6d5 100644
--- a/include/asm-m32r/delay.h
+++ b/include/asm-m32r/delay.h
@@ -12,7 +12,7 @@ extern void __bad_ndelay(void);
 
 extern void __udelay(unsigned long usecs);
 extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long xloops);
 extern void __delay(unsigned long loops);
 
 #define udelay(n) (__builtin_constant_p(n) ? \
diff --git a/include/asm-sh/delay.h b/include/asm-sh/delay.h
index 031db84f2aa150255348ae123778fe84776519bf..d5d464041003bb68104895c2e54ca5d32a46f195 100644
--- a/include/asm-sh/delay.h
+++ b/include/asm-sh/delay.h
@@ -12,7 +12,7 @@ extern void __bad_ndelay(void);
 
 extern void __udelay(unsigned long usecs);
 extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long xloops);
 extern void __delay(unsigned long loops);
 
 #ifdef CONFIG_SUPERH32
diff --git a/include/asm-x86/delay.h b/include/asm-x86/delay.h
index d11d47fc1a0e8dc44177aa86f62ca2e1090d70d5..409a649204aa7308c8936d6cc08d4479222d6885 100644
--- a/include/asm-x86/delay.h
+++ b/include/asm-x86/delay.h
@@ -13,7 +13,7 @@ extern void __bad_ndelay(void);
 
 extern void __udelay(unsigned long usecs);
 extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
+extern void __const_udelay(unsigned long xloops);
 extern void __delay(unsigned long loops);
 
 /* 0x10c7 is 2**32 / 1000000 (rounded up) */