Merge tag 'pwm/for-4.10-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/thierry...

[karo-tx-linux.git] / tools / include / linux / bitops.h

diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index 49c929a104eee364fe796f64d895d3ab9cced797..fc446343ff417760dc8e3d98ebd0e33e5deb3dad 100644 (file)
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -39,6 +39,11 @@ extern unsigned long __sw_hweight64(__u64 w);
             (bit) < (size);                                    \
             (bit) = find_next_bit((addr), (size), (bit) + 1))
 
+#define for_each_clear_bit(bit, addr, size) \
+       for ((bit) = find_first_zero_bit((addr), (size));       \
+            (bit) < (size);                                    \
+            (bit) = find_next_zero_bit((addr), (size), (bit) + 1))
+
 /* same as for_each_set_bit() but use bit as value to start with */
 #define for_each_set_bit_from(bit, addr, size) \
        for ((bit) = find_next_bit((addr), (size), (bit));      \