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authorDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
committerDavid Brown <davidb@codeaurora.org>2011-03-16 22:13:16 -0700
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /arch/arm/include/asm/bitops.h
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'arch/arm/include/asm/bitops.h')
-rw-r--r--arch/arm/include/asm/bitops.h60
1 files changed, 22 insertions, 38 deletions
diff --git a/arch/arm/include/asm/bitops.h b/arch/arm/include/asm/bitops.h
index 7b1bb2bbaf8..af54ed102f5 100644
--- a/arch/arm/include/asm/bitops.h
+++ b/arch/arm/include/asm/bitops.h
@@ -149,14 +149,18 @@ ____atomic_test_and_change_bit(unsigned int bit, volatile unsigned long *p)
*/
/*
+ * Native endian assembly bitops. nr = 0 -> word 0 bit 0.
+ */
+extern void _set_bit(int nr, volatile unsigned long * p);
+extern void _clear_bit(int nr, volatile unsigned long * p);
+extern void _change_bit(int nr, volatile unsigned long * p);
+extern int _test_and_set_bit(int nr, volatile unsigned long * p);
+extern int _test_and_clear_bit(int nr, volatile unsigned long * p);
+extern int _test_and_change_bit(int nr, volatile unsigned long * p);
+
+/*
* Little endian assembly bitops. nr = 0 -> byte 0 bit 0.
*/
-extern void _set_bit_le(int nr, volatile unsigned long * p);
-extern void _clear_bit_le(int nr, volatile unsigned long * p);
-extern void _change_bit_le(int nr, volatile unsigned long * p);
-extern int _test_and_set_bit_le(int nr, volatile unsigned long * p);
-extern int _test_and_clear_bit_le(int nr, volatile unsigned long * p);
-extern int _test_and_change_bit_le(int nr, volatile unsigned long * p);
extern int _find_first_zero_bit_le(const void * p, unsigned size);
extern int _find_next_zero_bit_le(const void * p, int size, int offset);
extern int _find_first_bit_le(const unsigned long *p, unsigned size);
@@ -165,12 +169,6 @@ extern int _find_next_bit_le(const unsigned long *p, int size, int offset);
/*
* Big endian assembly bitops. nr = 0 -> byte 3 bit 0.
*/
-extern void _set_bit_be(int nr, volatile unsigned long * p);
-extern void _clear_bit_be(int nr, volatile unsigned long * p);
-extern void _change_bit_be(int nr, volatile unsigned long * p);
-extern int _test_and_set_bit_be(int nr, volatile unsigned long * p);
-extern int _test_and_clear_bit_be(int nr, volatile unsigned long * p);
-extern int _test_and_change_bit_be(int nr, volatile unsigned long * p);
extern int _find_first_zero_bit_be(const void * p, unsigned size);
extern int _find_next_zero_bit_be(const void * p, int size, int offset);
extern int _find_first_bit_be(const unsigned long *p, unsigned size);
@@ -180,33 +178,26 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
/*
* The __* form of bitops are non-atomic and may be reordered.
*/
-#define ATOMIC_BITOP_LE(name,nr,p) \
- (__builtin_constant_p(nr) ? \
- ____atomic_##name(nr, p) : \
- _##name##_le(nr,p))
-
-#define ATOMIC_BITOP_BE(name,nr,p) \
- (__builtin_constant_p(nr) ? \
- ____atomic_##name(nr, p) : \
- _##name##_be(nr,p))
+#define ATOMIC_BITOP(name,nr,p) \
+ (__builtin_constant_p(nr) ? ____atomic_##name(nr, p) : _##name(nr,p))
#else
-#define ATOMIC_BITOP_LE(name,nr,p) _##name##_le(nr,p)
-#define ATOMIC_BITOP_BE(name,nr,p) _##name##_be(nr,p)
+#define ATOMIC_BITOP(name,nr,p) _##name(nr,p)
#endif
-#define NONATOMIC_BITOP(name,nr,p) \
- (____nonatomic_##name(nr, p))
+/*
+ * Native endian atomic definitions.
+ */
+#define set_bit(nr,p) ATOMIC_BITOP(set_bit,nr,p)
+#define clear_bit(nr,p) ATOMIC_BITOP(clear_bit,nr,p)
+#define change_bit(nr,p) ATOMIC_BITOP(change_bit,nr,p)
+#define test_and_set_bit(nr,p) ATOMIC_BITOP(test_and_set_bit,nr,p)
+#define test_and_clear_bit(nr,p) ATOMIC_BITOP(test_and_clear_bit,nr,p)
+#define test_and_change_bit(nr,p) ATOMIC_BITOP(test_and_change_bit,nr,p)
#ifndef __ARMEB__
/*
* These are the little endian, atomic definitions.
*/
-#define set_bit(nr,p) ATOMIC_BITOP_LE(set_bit,nr,p)
-#define clear_bit(nr,p) ATOMIC_BITOP_LE(clear_bit,nr,p)
-#define change_bit(nr,p) ATOMIC_BITOP_LE(change_bit,nr,p)
-#define test_and_set_bit(nr,p) ATOMIC_BITOP_LE(test_and_set_bit,nr,p)
-#define test_and_clear_bit(nr,p) ATOMIC_BITOP_LE(test_and_clear_bit,nr,p)
-#define test_and_change_bit(nr,p) ATOMIC_BITOP_LE(test_and_change_bit,nr,p)
#define find_first_zero_bit(p,sz) _find_first_zero_bit_le(p,sz)
#define find_next_zero_bit(p,sz,off) _find_next_zero_bit_le(p,sz,off)
#define find_first_bit(p,sz) _find_first_bit_le(p,sz)
@@ -215,16 +206,9 @@ extern int _find_next_bit_be(const unsigned long *p, int size, int offset);
#define WORD_BITOFF_TO_LE(x) ((x))
#else
-
/*
* These are the big endian, atomic definitions.
*/
-#define set_bit(nr,p) ATOMIC_BITOP_BE(set_bit,nr,p)
-#define clear_bit(nr,p) ATOMIC_BITOP_BE(clear_bit,nr,p)
-#define change_bit(nr,p) ATOMIC_BITOP_BE(change_bit,nr,p)
-#define test_and_set_bit(nr,p) ATOMIC_BITOP_BE(test_and_set_bit,nr,p)
-#define test_and_clear_bit(nr,p) ATOMIC_BITOP_BE(test_and_clear_bit,nr,p)
-#define test_and_change_bit(nr,p) ATOMIC_BITOP_BE(test_and_change_bit,nr,p)
#define find_first_zero_bit(p,sz) _find_first_zero_bit_be(p,sz)
#define find_next_zero_bit(p,sz,off) _find_next_zero_bit_be(p,sz,off)
#define find_first_bit(p,sz) _find_first_bit_be(p,sz)