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Message-Id: <1440746842-19029-3-git-send-email-hch@lst.de>
Date: Fri, 28 Aug 2015 09:27:15 +0200
From: Christoph Hellwig <hch@....de>
To: arnd@...db.de
Cc: mitake@....info.waseda.ac.jp, dhowells@...hat.com,
herbert@...dor.apana.org.au, oded.gabbay@....com, eli@...lanox.com,
james_p_freyensee@...ux.intel.com, linux-gpio@...r.kernel.org,
drbd-dev@...ts.linbit.com, linux-arch@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/9] move count_zeroes.h out of asm-generic
This header contains a few helpers currenly only used by the mpi
implementation, and not default implementation of architecture code.
Signed-off-by: Christoph Hellwig <hch@....de>
---
include/asm-generic/bitops/count_zeros.h | 57 --------------------------------
include/linux/count_zeros.h | 57 ++++++++++++++++++++++++++++++++
lib/mpi/longlong.h | 2 +-
lib/mpi/mpicoder.c | 2 +-
4 files changed, 59 insertions(+), 59 deletions(-)
delete mode 100644 include/asm-generic/bitops/count_zeros.h
create mode 100644 include/linux/count_zeros.h
diff --git a/include/asm-generic/bitops/count_zeros.h b/include/asm-generic/bitops/count_zeros.h
deleted file mode 100644
index 97520d2..0000000
--- a/include/asm-generic/bitops/count_zeros.h
+++ /dev/null
@@ -1,57 +0,0 @@
-/* Count leading and trailing zeros functions
- *
- * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@...hat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-
-#ifndef _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
-#define _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
-
-#include <asm/bitops.h>
-
-/**
- * count_leading_zeros - Count the number of zeros from the MSB back
- * @x: The value
- *
- * Count the number of leading zeros from the MSB going towards the LSB in @x.
- *
- * If the MSB of @x is set, the result is 0.
- * If only the LSB of @x is set, then the result is BITS_PER_LONG-1.
- * If @x is 0 then the result is COUNT_LEADING_ZEROS_0.
- */
-static inline int count_leading_zeros(unsigned long x)
-{
- if (sizeof(x) == 4)
- return BITS_PER_LONG - fls(x);
- else
- return BITS_PER_LONG - fls64(x);
-}
-
-#define COUNT_LEADING_ZEROS_0 BITS_PER_LONG
-
-/**
- * count_trailing_zeros - Count the number of zeros from the LSB forwards
- * @x: The value
- *
- * Count the number of trailing zeros from the LSB going towards the MSB in @x.
- *
- * If the LSB of @x is set, the result is 0.
- * If only the MSB of @x is set, then the result is BITS_PER_LONG-1.
- * If @x is 0 then the result is COUNT_TRAILING_ZEROS_0.
- */
-static inline int count_trailing_zeros(unsigned long x)
-{
-#define COUNT_TRAILING_ZEROS_0 (-1)
-
- if (sizeof(x) == 4)
- return ffs(x);
- else
- return (x != 0) ? __ffs(x) : COUNT_TRAILING_ZEROS_0;
-}
-
-#endif /* _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_ */
diff --git a/include/linux/count_zeros.h b/include/linux/count_zeros.h
new file mode 100644
index 0000000..363da78
--- /dev/null
+++ b/include/linux/count_zeros.h
@@ -0,0 +1,57 @@
+/* Count leading and trailing zeros functions
+ *
+ * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@...hat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_BITOPS_COUNT_ZEROS_H_
+#define _LINUX_BITOPS_COUNT_ZEROS_H_
+
+#include <asm/bitops.h>
+
+/**
+ * count_leading_zeros - Count the number of zeros from the MSB back
+ * @x: The value
+ *
+ * Count the number of leading zeros from the MSB going towards the LSB in @x.
+ *
+ * If the MSB of @x is set, the result is 0.
+ * If only the LSB of @x is set, then the result is BITS_PER_LONG-1.
+ * If @x is 0 then the result is COUNT_LEADING_ZEROS_0.
+ */
+static inline int count_leading_zeros(unsigned long x)
+{
+ if (sizeof(x) == 4)
+ return BITS_PER_LONG - fls(x);
+ else
+ return BITS_PER_LONG - fls64(x);
+}
+
+#define COUNT_LEADING_ZEROS_0 BITS_PER_LONG
+
+/**
+ * count_trailing_zeros - Count the number of zeros from the LSB forwards
+ * @x: The value
+ *
+ * Count the number of trailing zeros from the LSB going towards the MSB in @x.
+ *
+ * If the LSB of @x is set, the result is 0.
+ * If only the MSB of @x is set, then the result is BITS_PER_LONG-1.
+ * If @x is 0 then the result is COUNT_TRAILING_ZEROS_0.
+ */
+static inline int count_trailing_zeros(unsigned long x)
+{
+#define COUNT_TRAILING_ZEROS_0 (-1)
+
+ if (sizeof(x) == 4)
+ return ffs(x);
+ else
+ return (x != 0) ? __ffs(x) : COUNT_TRAILING_ZEROS_0;
+}
+
+#endif /* _LINUX_BITOPS_COUNT_ZEROS_H_ */
diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h
index a89d041..b90e255 100644
--- a/lib/mpi/longlong.h
+++ b/lib/mpi/longlong.h
@@ -19,7 +19,7 @@
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA. */
-#include <asm-generic/bitops/count_zeros.h>
+#include <linux/count_zeros.h>
/* You have to define the following before including this file:
*
diff --git a/lib/mpi/mpicoder.c b/lib/mpi/mpicoder.c
index bc0a1da..9e1ec99 100644
--- a/lib/mpi/mpicoder.c
+++ b/lib/mpi/mpicoder.c
@@ -19,7 +19,7 @@
*/
#include <linux/bitops.h>
-#include <asm-generic/bitops/count_zeros.h>
+#include <linux/count_zeros.h>
#include "mpi-internal.h"
#define MAX_EXTERN_MPI_BITS 16384
--
1.9.1
--
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