From: Ming Lei <tom.leiming@gmail.com>
Date: Mon, 5 Sep 2011 13:05:56 +0000 (+0800)
Subject: usb: ehci: only prepare zero packet for out transfer if required
X-Git-Tag: v3.2-rc1~183^2~152
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9a971dda8208e0982094f29ef34bd190f2a081bd;p=pandora-kernel.git

usb: ehci: only prepare zero packet for out transfer if required

Obviously, ZLP is only required for transfer of OUT direction,
so just take same policy with UHCI for ZLP packet.

Signed-off-by: Ming Lei <tom.leiming@gmail.com>
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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