[PATCH] gcc-3.5: drivers/i2c/chips/it87.c

drivers/i2c/chips/it87.c:130: warning: conflicting types for built-in function 'log2'

drivers/i2c/chips/it87.c

@@ -126,14 +126,13 @@ static inline u8 FAN_TO_REG(long rpm, int div)
 				205-(val)*5)
 #define ALARMS_FROM_REG(val) (val)
 
-static int log2(int val)
+static int DIV_TO_REG(int val)
 {
 	int answer = 0;
 	while ((val >>= 1))
 		answer++;
 	return answer;
 }
-#define DIV_TO_REG(val) log2(val)
 #define DIV_FROM_REG(val) (1 << (val))
 
 /* Initial limits. Use the config file to set better limits. */