Return-path: Received: from nm15.bullet.mail.bf1.yahoo.com ([98.139.212.174]:48305 "HELO nm15.bullet.mail.bf1.yahoo.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1752721Ab2FMRMI (ORCPT ); Wed, 13 Jun 2012 13:12:08 -0400 Message-ID: <1339607214.55182.YahooMailClassic@web161701.mail.bf1.yahoo.com> (sfid-20120613_191214_799447_C48B8675) Date: Wed, 13 Jun 2012 10:06:54 -0700 (PDT) From: hong zhang Subject: Re: poor performance with W2CBW003 (Marvell 8686) To: Dan Williams , Andreas Kemnade Cc: linux-wireless@vger.kernel.org, dsd@laptop.org, libertas-dev@lists.infradead.org In-Reply-To: <1339539360.3284.235.camel@localhost> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-wireless-owner@vger.kernel.org List-ID: > 4 bit is supported. > The hardware does not impose unresolvable limitations, the > 2.6.32 kernel > gives high performance. But since that kernel is not > mainstream, it is > very hard to find out which patch gives the slowdown. git > bisect > is not very useful in that situation. > SD memory card reading speed is always ok (on another of the > integrated > sd host controllers). Have you tested receive throughput? Any difference between TX and Rx throughput?