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authorJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
committerJonathan Herman <hermanjl@cs.unc.edu>2013-01-17 16:15:55 -0500
commit8dea78da5cee153b8af9c07a2745f6c55057fe12 (patch)
treea8f4d49d63b1ecc92f2fddceba0655b2472c5bd9 /include/asm-generic/bitops
parent406089d01562f1e2bf9f089fd7637009ebaad589 (diff)
Patched in Tegra support.
Diffstat (limited to 'include/asm-generic/bitops')
-rw-r--r--include/asm-generic/bitops/atomic.h2
-rw-r--r--include/asm-generic/bitops/builtin-__ffs.h15
-rw-r--r--include/asm-generic/bitops/builtin-__fls.h15
-rw-r--r--include/asm-generic/bitops/builtin-ffs.h17
-rw-r--r--include/asm-generic/bitops/builtin-fls.h16
-rw-r--r--include/asm-generic/bitops/count_zeros.h57
-rw-r--r--include/asm-generic/bitops/le.h10
7 files changed, 1 insertions, 131 deletions
diff --git a/include/asm-generic/bitops/atomic.h b/include/asm-generic/bitops/atomic.h
index 9ae6c34dc19..ecc44a8e2b4 100644
--- a/include/asm-generic/bitops/atomic.h
+++ b/include/asm-generic/bitops/atomic.h
@@ -2,7 +2,7 @@
2#define _ASM_GENERIC_BITOPS_ATOMIC_H_ 2#define _ASM_GENERIC_BITOPS_ATOMIC_H_
3 3
4#include <asm/types.h> 4#include <asm/types.h>
5#include <linux/irqflags.h> 5#include <asm/system.h>
6 6
7#ifdef CONFIG_SMP 7#ifdef CONFIG_SMP
8#include <asm/spinlock.h> 8#include <asm/spinlock.h>
diff --git a/include/asm-generic/bitops/builtin-__ffs.h b/include/asm-generic/bitops/builtin-__ffs.h
deleted file mode 100644
index 90041e3a41f..00000000000
--- a/include/asm-generic/bitops/builtin-__ffs.h
+++ /dev/null
@@ -1,15 +0,0 @@
1#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
2#define _ASM_GENERIC_BITOPS_BUILTIN___FFS_H_
3
4/**
5 * __ffs - find first bit in word.
6 * @word: The word to search
7 *
8 * Undefined if no bit exists, so code should check against 0 first.
9 */
10static __always_inline unsigned long __ffs(unsigned long word)
11{
12 return __builtin_ctzl(word);
13}
14
15#endif
diff --git a/include/asm-generic/bitops/builtin-__fls.h b/include/asm-generic/bitops/builtin-__fls.h
deleted file mode 100644
index 0248f386635..00000000000
--- a/include/asm-generic/bitops/builtin-__fls.h
+++ /dev/null
@@ -1,15 +0,0 @@
1#ifndef _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_
2#define _ASM_GENERIC_BITOPS_BUILTIN___FLS_H_
3
4/**
5 * __fls - find last (most-significant) set bit in a long word
6 * @word: the word to search
7 *
8 * Undefined if no set bit exists, so code should check against 0 first.
9 */
10static __always_inline unsigned long __fls(unsigned long word)
11{
12 return (sizeof(word) * 8) - 1 - __builtin_clzl(word);
13}
14
15#endif
diff --git a/include/asm-generic/bitops/builtin-ffs.h b/include/asm-generic/bitops/builtin-ffs.h
deleted file mode 100644
index 064825829e1..00000000000
--- a/include/asm-generic/bitops/builtin-ffs.h
+++ /dev/null
@@ -1,17 +0,0 @@
1#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
2#define _ASM_GENERIC_BITOPS_BUILTIN_FFS_H_
3
4/**
5 * ffs - find first bit set
6 * @x: the word to search
7 *
8 * This is defined the same way as
9 * the libc and compiler builtin ffs routines, therefore
10 * differs in spirit from the above ffz (man ffs).
11 */
12static __always_inline int ffs(int x)
13{
14 return __builtin_ffs(x);
15}
16
17#endif
diff --git a/include/asm-generic/bitops/builtin-fls.h b/include/asm-generic/bitops/builtin-fls.h
deleted file mode 100644
index eda652d0ac7..00000000000
--- a/include/asm-generic/bitops/builtin-fls.h
+++ /dev/null
@@ -1,16 +0,0 @@
1#ifndef _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_
2#define _ASM_GENERIC_BITOPS_BUILTIN_FLS_H_
3
4/**
5 * fls - find last (most-significant) bit set
6 * @x: the word to search
7 *
8 * This is defined the same way as ffs.
9 * Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
10 */
11static __always_inline int fls(int x)
12{
13 return x ? sizeof(x) * 8 - __builtin_clz(x) : 0;
14}
15
16#endif
diff --git a/include/asm-generic/bitops/count_zeros.h b/include/asm-generic/bitops/count_zeros.h
deleted file mode 100644
index 97520d21fe6..00000000000
--- a/include/asm-generic/bitops/count_zeros.h
+++ /dev/null
@@ -1,57 +0,0 @@
1/* Count leading and trailing zeros functions
2 *
3 * Copyright (C) 2012 Red Hat, Inc. All Rights Reserved.
4 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public Licence
8 * as published by the Free Software Foundation; either version
9 * 2 of the Licence, or (at your option) any later version.
10 */
11
12#ifndef _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
13#define _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_
14
15#include <asm/bitops.h>
16
17/**
18 * count_leading_zeros - Count the number of zeros from the MSB back
19 * @x: The value
20 *
21 * Count the number of leading zeros from the MSB going towards the LSB in @x.
22 *
23 * If the MSB of @x is set, the result is 0.
24 * If only the LSB of @x is set, then the result is BITS_PER_LONG-1.
25 * If @x is 0 then the result is COUNT_LEADING_ZEROS_0.
26 */
27static inline int count_leading_zeros(unsigned long x)
28{
29 if (sizeof(x) == 4)
30 return BITS_PER_LONG - fls(x);
31 else
32 return BITS_PER_LONG - fls64(x);
33}
34
35#define COUNT_LEADING_ZEROS_0 BITS_PER_LONG
36
37/**
38 * count_trailing_zeros - Count the number of zeros from the LSB forwards
39 * @x: The value
40 *
41 * Count the number of trailing zeros from the LSB going towards the MSB in @x.
42 *
43 * If the LSB of @x is set, the result is 0.
44 * If only the MSB of @x is set, then the result is BITS_PER_LONG-1.
45 * If @x is 0 then the result is COUNT_TRAILING_ZEROS_0.
46 */
47static inline int count_trailing_zeros(unsigned long x)
48{
49#define COUNT_TRAILING_ZEROS_0 (-1)
50
51 if (sizeof(x) == 4)
52 return ffs(x);
53 else
54 return (x != 0) ? __ffs(x) : COUNT_TRAILING_ZEROS_0;
55}
56
57#endif /* _ASM_GENERIC_BITOPS_COUNT_ZEROS_H_ */
diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h
index 61731543c00..f95c663a6a4 100644
--- a/include/asm-generic/bitops/le.h
+++ b/include/asm-generic/bitops/le.h
@@ -54,16 +54,6 @@ static inline int test_bit_le(int nr, const void *addr)
54 return test_bit(nr ^ BITOP_LE_SWIZZLE, addr); 54 return test_bit(nr ^ BITOP_LE_SWIZZLE, addr);
55} 55}
56 56
57static inline void set_bit_le(int nr, void *addr)
58{
59 set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
60}
61
62static inline void clear_bit_le(int nr, void *addr)
63{
64 clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
65}
66
67static inline void __set_bit_le(int nr, void *addr) 57static inline void __set_bit_le(int nr, void *addr)
68{ 58{
69 __set_bit(nr ^ BITOP_LE_SWIZZLE, addr); 59 __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);