From: Michael Hennerich <michael.hennerich@analog.com>
Date: Wed, 4 Feb 2009 08:49:45 +0000 (+0800)
Subject: Blackfin arch: Faster Implementation of csum_tcpudp_nofold()
X-Git-Tag: v2.6.29-rc4~54^2~19
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=aa9c33b496ca9434f26beaa1b447a6e2e5d8ad6a;p=pandora-kernel.git

Blackfin arch: Faster Implementation of csum_tcpudp_nofold()

Avoid conditional branch instructions during carry bit additions.
Special thanks to Bernd.
Simplify: Use ((len + proto) << 8) like every other __LITTLE_ENDIAN__ machine

Cc: Bernd Schmidt <bernds_cb1@t-online.de>
Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
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