[atheros] remove the clz function, use fls instead

[openwrt-10.03/.git] / target / linux / atheros / files / include / asm-mips / mach-atheros / ar531x.h

diff --git a/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h
index dccf54155079c9c8ea1287d38a155e95467a6ef6..ba52a2b3269015a408d2d042782bcab1c335d2a0 100644 (file)
--- a/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h
+++ b/target/linux/atheros/files/include/asm-mips/mach-atheros/ar531x.h
@@ -11,29 +11,6 @@
 extern void (*board_time_init)(void);
 #endif
 
-/*
- * C access to CLZ instruction
- * (count leading zeroes).
- */
-static inline int clz(unsigned long val)
-{
-       int ret;
-
-       __asm__ volatile (
-               ".set\tnoreorder\n\t"
-               ".set\tnoat\n\t"
-               ".set\tmips32\n\t"
-               "clz\t%0,%1\n\t"
-               ".set\tmips0\n\t"
-               ".set\tat\n\t"
-               ".set\treorder"
-               : "=r" (ret)
-               : "r" (val)
-       );
-
-       return ret;
-}
-
 /*
  * Atheros CPUs before the AR2315 are using MIPS 4Kc core, later designs are
  * using MIPS 4KEc R2 core. This makes it easy to determine the board at runtime.