From: Fabio Estevam <fabio.este...@freescale.com>
The ffs64() implementation for powerpc is not found in the Linux kernel,
so use the ffs64 header file from barebox.
Imported from barebox v2015.10.0.
Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
---
arch/powerpc/include/asm/ffs64.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
create mode 100644 arch/powerpc/include/asm/ffs64.h
diff --git a/arch/powerpc/include/asm/ffs64.h b/arch/powerpc/include/asm/ffs64.h
new file mode 100644
index 0000000..620874c
--- /dev/null
+++ b/arch/powerpc/include/asm/ffs64.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright 2013 GE Intelligent Platforms, Inc.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ *
+ */
+#include <linux/log2.h>
+
+static inline int ffs64(u64 x)
+{
+ return __ilog2_u64(x & -x) + 1ull;
+}
--
1.9.1
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