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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2015-03-23 09:18:27 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2015-03-23 09:18:27 -0700
commit188933ac139a6f8ab06cad369bd0200af947b00d (patch)
treec4c107528fcf6b82e32a93b0596e13eea7aa9385 /lib/bitrev.c
parent4ed0e032c3cf27c6fabc154164d003c4e0ac4654 (diff)
parentbc465aa9d045feb0e13b4a8f32cc33c1943f62d6 (diff)
Merge tag 'v4.0-rc5' into next
Merge with the latest upstream to synchronize Synaptics changes and bring in new infrastructure pieces. Conflicts: drivers/input/mouse/synaptics.c
Diffstat (limited to 'lib/bitrev.c')
-rw-r--r--lib/bitrev.c17
1 files changed, 2 insertions, 15 deletions
diff --git a/lib/bitrev.c b/lib/bitrev.c
index 3956203456d4..40ffda94cc5d 100644
--- a/lib/bitrev.c
+++ b/lib/bitrev.c
@@ -1,3 +1,4 @@
+#ifndef CONFIG_HAVE_ARCH_BITREVERSE
#include <linux/types.h>
#include <linux/module.h>
#include <linux/bitrev.h>
@@ -42,18 +43,4 @@ const u8 byte_rev_table[256] = {
};
EXPORT_SYMBOL_GPL(byte_rev_table);
-u16 bitrev16(u16 x)
-{
- return (bitrev8(x & 0xff) << 8) | bitrev8(x >> 8);
-}
-EXPORT_SYMBOL(bitrev16);
-
-/**
- * bitrev32 - reverse the order of bits in a u32 value
- * @x: value to be bit-reversed
- */
-u32 bitrev32(u32 x)
-{
- return (bitrev16(x & 0xffff) << 16) | bitrev16(x >> 16);
-}
-EXPORT_SYMBOL(bitrev32);
+#endif /* CONFIG_HAVE_ARCH_BITREVERSE */