linux-kernel - [PATCH 2/5] bitops: cleanup asm-generic/bitops/le.h

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Date:	Fri,  8 Oct 2010 19:03:10 +0900
From:	Akinobu Mita <akinobu.mita@...il.com>
To:	linux-kernel@...r.kernel.org, linux-arch@...r.kernel.org,
	Arnd Bergmann <arnd@...db.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Akinobu Mita <akinobu.mita@...il.com>
Subject: [PATCH 2/5] bitops: cleanup asm-generic/bitops/le.h

 - Remove unused BITOP_WORD macro
 - Merge definisions for big endian and little endian as much as possible

Signed-off-by: Akinobu Mita <akinobu.mita@...il.com>
---
 include/asm-generic/bitops/le.h |   38 +++++++++++++++-----------------------
 1 files changed, 15 insertions(+), 23 deletions(-)

diff --git a/include/asm-generic/bitops/le.h b/include/asm-generic/bitops/le.h
index 80e3bf1..db2be81 100644
--- a/include/asm-generic/bitops/le.h
+++ b/include/asm-generic/bitops/le.h
@@ -4,27 +4,28 @@
 #include <asm/types.h>
 #include <asm/byteorder.h>
 
-#define BITOP_WORD(nr)		((nr) / BITS_PER_LONG)
-#define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
-
 #if defined(__LITTLE_ENDIAN)
 
-#define generic_test_le_bit(nr, addr) test_bit(nr, addr)
-#define generic___set_le_bit(nr, addr) __set_bit(nr, addr)
-#define generic___clear_le_bit(nr, addr) __clear_bit(nr, addr)
-
-#define generic_test_and_set_le_bit(nr, addr) test_and_set_bit(nr, addr)
-#define generic_test_and_clear_le_bit(nr, addr) test_and_clear_bit(nr, addr)
+#define BITOP_LE_SWIZZLE	0
 
-#define generic___test_and_set_le_bit(nr, addr) __test_and_set_bit(nr, addr)
-#define generic___test_and_clear_le_bit(nr, addr) __test_and_clear_bit(nr, addr)
-
-#define generic_find_next_zero_le_bit(addr, size, offset) find_next_zero_bit(addr, size, offset)
+#define generic_find_next_zero_le_bit(addr, size, offset) \
+	find_next_zero_bit(addr, size, offset)
 #define generic_find_next_le_bit(addr, size, offset) \
-			find_next_bit(addr, size, offset)
+	find_next_bit(addr, size, offset)
 
 #elif defined(__BIG_ENDIAN)
 
+#define BITOP_LE_SWIZZLE	((BITS_PER_LONG-1) & ~0x7)
+
+extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
+		unsigned long size, unsigned long offset);
+extern unsigned long generic_find_next_le_bit(const unsigned long *addr,
+		unsigned long size, unsigned long offset);
+
+#else
+#error "Please fix <asm/byteorder.h>"
+#endif
+
 #define generic_test_le_bit(nr, addr) \
 	test_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
 #define generic___set_le_bit(nr, addr) \
@@ -42,15 +43,6 @@
 #define generic___test_and_clear_le_bit(nr, addr) \
 	__test_and_clear_bit((nr) ^ BITOP_LE_SWIZZLE, (addr))
 
-extern unsigned long generic_find_next_zero_le_bit(const unsigned long *addr,
-		unsigned long size, unsigned long offset);
-extern unsigned long generic_find_next_le_bit(const unsigned long *addr,
-		unsigned long size, unsigned long offset);
-
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-
 #define generic_find_first_zero_le_bit(addr, size) \
         generic_find_next_zero_le_bit((addr), (size), 0)
 
-- 
1.7.1.231.gd0b16

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