linux-kernel - [PATCHv2 1/2] lib: expose bitrev16 as an inline

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Date:	Wed, 04 Jun 2008 10:32:55 -0700
From:	Harvey Harrison <harvey.harrison@...il.com>
To:	"akinobu.mita" <akinobu.mita@...il.com>
Cc:	Marcel Holtmann <marcel@...tmann.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: [PATCHv2 1/2] lib: expose bitrev16 as an inline

Bluetooth will be able to use this.

Signed-off-by: Harvey Harrison <harvey.harrison@...il.com>
---
Marcel, I have changed the patch somewhat so haven't added your ack to it
or to patch 2/2

 include/linux/bitrev.h |    5 +++++
 lib/bitrev.c           |    5 -----
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/include/linux/bitrev.h b/include/linux/bitrev.h
index 05e540d..5c21f62 100644
--- a/include/linux/bitrev.h
+++ b/include/linux/bitrev.h
@@ -10,6 +10,11 @@ static inline u8 bitrev8(u8 byte)
 	return byte_rev_table[byte];
 }
 
+static inline u16 bitrev16(u16 x)
+{
+	return (bitrev8(x & 0xff) << 8) | bitrev8(x >> 8);
+}
+
 extern u32 bitrev32(u32 in);
 
 #endif /* _LINUX_BITREV_H */
diff --git a/lib/bitrev.c b/lib/bitrev.c
index 989aff7..88bdbee 100644
--- a/lib/bitrev.c
+++ b/lib/bitrev.c
@@ -42,11 +42,6 @@ const u8 byte_rev_table[256] = {
 };
 EXPORT_SYMBOL_GPL(byte_rev_table);
 
-static __always_inline u16 bitrev16(u16 x)
-{
-	return (bitrev8(x & 0xff) << 8) | bitrev8(x >> 8);
-}
-
 /**
  * bitrev32 - reverse the order of bits in a u32 value
  * @x: value to be bit-reversed
-- 
1.5.6.rc1.257.gba91d


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