summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
diff options
context:
space:
mode:
authorSascha Hauer <s.hauer@pengutronix.de>2020-05-14 07:10:55 +0200
committerSascha Hauer <s.hauer@pengutronix.de>2020-05-14 07:10:55 +0200
commitcc31adf78d10eb1a5880ef51e240ab4273315e4b (patch)
tree4a33bb60a4e230634e60dfe7503e60c2536ecdcd /arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
parente4ea8e8bfa7a37fea2d97c3d268206417e196bdf (diff)
parent992116ba3aeda6635c103ea2d04682bdd081fb4b (diff)
downloadbarebox-cc31adf78d10eb1a5880ef51e240ab4273315e4b.tar.gz
barebox-cc31adf78d10eb1a5880ef51e240ab4273315e4b.tar.xz
Merge branch 'for-next/kbuild'
Diffstat (limited to 'arch/powerpc/mach-mpc85xx/include/mach/ffs64.h')
-rw-r--r--arch/powerpc/mach-mpc85xx/include/mach/ffs64.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h b/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
new file mode 100644
index 0000000000..045498c513
--- /dev/null
+++ b/arch/powerpc/mach-mpc85xx/include/mach/ffs64.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/log2.h>
+
+static inline int ffs64(u64 x)
+{
+ return __ilog2_u64(x & -x) + 1ull;
+}