include/asm-generic/bitops/ffz.h
changeset 0 aa628870c1d3
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/asm-generic/bitops/ffz.h	Sun Jan 11 20:20:11 2009 +0100
@@ -0,0 +1,12 @@
+#ifndef _ASM_GENERIC_BITOPS_FFZ_H_
+#define _ASM_GENERIC_BITOPS_FFZ_H_
+
+/*
+ * ffz - find first zero in word.
+ * @word: The word to search
+ *
+ * Undefined if no zero exists, so code should check against ~0UL first.
+ */
+#define ffz(x)  __ffs(~(x))
+
+#endif /* _ASM_GENERIC_BITOPS_FFZ_H_ */