From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Sun, 2 Nov 2008 20:40:10 +0000 (+0100)
Subject: tx4938ide: Avoid underflow on calculation of a wait cycle
X-Git-Tag: v2.6.28-rc3~1^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7afa05350c42d8427f2d8f6112b64ab0812f3289;p=pandora-kernel.git

tx4938ide: Avoid underflow on calculation of a wait cycle

Make 'wt' variable signed while it can be negative during calculation.

Suggested-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Cc: sshtylyov@ru.mvista.com
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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