crypto: blowfish - split generic and common c code

Patch splits up the blowfish crypto routine into a common part (key setup)
which will be used by blowfish crypto modules (x86_64 assembly and generic-c).

Also fixes errors/warnings reported by checkpatch.

Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/crypto/Kconfig b/crypto/Kconfig
index 55c50cd..108cb98 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -600,6 +600,7 @@
 config CRYPTO_BLOWFISH
 	tristate "Blowfish cipher algorithm"
 	select CRYPTO_ALGAPI
+	select CRYPTO_BLOWFISH_COMMON
 	help
 	  Blowfish cipher algorithm, by Bruce Schneier.
 
@@ -610,6 +611,15 @@
 	  See also:
 	  <http://www.schneier.com/blowfish.html>
 
+config CRYPTO_BLOWFISH_COMMON
+	tristate
+	help
+	  Common parts of the Blowfish cipher algorithm shared by the
+	  generic c and the assembler implementations.
+
+	  See also:
+	  <http://www.schneier.com/blowfish.html>
+
 config CRYPTO_CAMELLIA
 	tristate "Camellia cipher algorithms"
 	depends on CRYPTO