The patch titled
powerpc: introduce little-endian bitops
has been removed from the -mm tree. Its filename was
powerpc-introduce-little-endian-bitops.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: powerpc: introduce little-endian bitops
From: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Introduce little-endian bit operations by renaming existing powerpc native
little-endian bit operations and changing them to take any pointer types.
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
Cc: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/powerpc/include/asm/bitops.h | 65 +++++++++++++++++-----------
1 file changed, 40 insertions(+), 25 deletions(-)
diff -puN arch/powerpc/include/asm/bitops.h~powerpc-introduce-little-endian-bitops arch/powerpc/include/asm/bitops.h
--- a/arch/powerpc/include/asm/bitops.h~powerpc-introduce-little-endian-bitops
+++ a/arch/powerpc/include/asm/bitops.h
@@ -281,27 +281,42 @@ unsigned long __arch_hweight64(__u64 w);
/* Little-endian versions */
-static __inline__ int test_le_bit(unsigned long nr,
- __const__ unsigned long *addr)
+static __inline__ int test_bit_le(unsigned long nr,
+ __const__ void *addr)
{
__const__ unsigned char *tmp = (__const__ unsigned char *) addr;
return (tmp[nr >> 3] >> (nr & 7)) & 1;
}
-#define __set_le_bit(nr, addr) \
- __set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-#define __clear_le_bit(nr, addr) \
- __clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-
-#define test_and_set_le_bit(nr, addr) \
- test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-#define test_and_clear_le_bit(nr, addr) \
- test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-
-#define __test_and_set_le_bit(nr, addr) \
- __test_and_set_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
-#define __test_and_clear_le_bit(nr, addr) \
- __test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
+static inline void __set_bit_le(int nr, void *addr)
+{
+ __set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline void __clear_bit_le(int nr, void *addr)
+{
+ __clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline int test_and_set_bit_le(int nr, void *addr)
+{
+ return test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline int test_and_clear_bit_le(int nr, void *addr)
+{
+ return test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline int __test_and_set_bit_le(int nr, void *addr)
+{
+ return __test_and_set_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
+
+static inline int __test_and_clear_bit_le(int nr, void *addr)
+{
+ return __test_and_clear_bit(nr ^ BITOP_LE_SWIZZLE, addr);
+}
#define find_first_zero_bit_le(addr, size) \
find_next_zero_bit_le((addr), (size), 0)
@@ -313,16 +328,16 @@ unsigned long find_next_bit_le(const voi
/* Bitmap functions for the ext2 filesystem */
#define ext2_set_bit(nr,addr) \
- __test_and_set_le_bit((nr), (unsigned long*)addr)
+ __test_and_set_bit_le((nr), (unsigned long*)addr)
#define ext2_clear_bit(nr, addr) \
- __test_and_clear_le_bit((nr), (unsigned long*)addr)
+ __test_and_clear_bit_le((nr), (unsigned long*)addr)
#define ext2_set_bit_atomic(lock, nr, addr) \
- test_and_set_le_bit((nr), (unsigned long*)addr)
+ test_and_set_bit_le((nr), (unsigned long*)addr)
#define ext2_clear_bit_atomic(lock, nr, addr) \
- test_and_clear_le_bit((nr), (unsigned long*)addr)
+ test_and_clear_bit_le((nr), (unsigned long*)addr)
-#define ext2_test_bit(nr, addr) test_le_bit((nr),(unsigned long*)addr)
+#define ext2_test_bit(nr, addr) test_bit_le((nr),(unsigned long*)addr)
#define ext2_find_first_zero_bit(addr, size) \
find_first_zero_bit_le((unsigned long*)addr, size)
@@ -334,13 +349,13 @@ unsigned long find_next_bit_le(const voi
/* Bitmap functions for the minix filesystem. */
#define minix_test_and_set_bit(nr,addr) \
- __test_and_set_le_bit(nr, (unsigned long *)addr)
+ __test_and_set_bit_le(nr, (unsigned long *)addr)
#define minix_set_bit(nr,addr) \
- __set_le_bit(nr, (unsigned long *)addr)
+ __set_bit_le(nr, (unsigned long *)addr)
#define minix_test_and_clear_bit(nr,addr) \
- __test_and_clear_le_bit(nr, (unsigned long *)addr)
+ __test_and_clear_bit_le(nr, (unsigned long *)addr)
#define minix_test_bit(nr,addr) \
- test_le_bit(nr, (unsigned long *)addr)
+ test_bit_le(nr, (unsigned long *)addr)
#define minix_find_first_zero_bit(addr,size) \
find_first_zero_bit_le((unsigned long *)addr, size)
_
Patches currently in -mm which might be from akinobu.mita@xxxxxxxxx are
origin.patch
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