Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755337Ab3HMGDK (ORCPT ); Tue, 13 Aug 2013 02:03:10 -0400 Received: from mailout-12.websupport.sk ([37.9.172.141]:45086 "EHLO mailout-12.websupport.sk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754506Ab3HMGDI (ORCPT ); Tue, 13 Aug 2013 02:03:08 -0400 X-Greylist: delayed 358 seconds by postgrey-1.27 at vger.kernel.org; Tue, 13 Aug 2013 02:03:07 EDT Message-ID: <1376373421.2828.19.camel@das> Subject: Re: [PCMCIA] Solved: No USB 2.0 (ehci) in PCMCIA slot on E7110 From: Tomas Kovacik To: Andreas Mohr Cc: Thomas Richter , Alan Stern , linux-kernel@vger.kernel.org, Josep Lladonosa , dahinds@users.sourceforge.net, linux-pcmcia@lists.infradead.org Date: Tue, 13 Aug 2013 07:57:01 +0200 In-Reply-To: <20130812212507.GA12254@rhlx01.hs-esslingen.de> References: <20130812212507.GA12254@rhlx01.hs-esslingen.de> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.6.4-0ubuntu1 Mime-Version: 1.0 Content-Transfer-Encoding: 8bit X-Virus-Checked: Checked by ClamAV on lb2.websupport.sk Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 3781 Lines: 105 hi everyone, i don't have that old laptop anymore, but as you can see in lspci logs, it was Ali chipset so, it was really old beast :). Anyway if is O2 used in new computer, maybe it's fixed and wifi card (atheros) with wpa2 will work. Try it :) t. On Mon, 2013-08-12 at 23:25 +0200, Andreas Mohr wrote: > Hi, > > that means we're talking this one (have you had a look at Bugzilla #15014? > Might be useful...): > > commit 35169529093be3bbef70afd3c4125e35cece7e03 > Author: Wolfram Sang > Date: Sun Jan 10 09:41:24 2010 +0100 > > pcmcia/yenta: add module parameter for O2 speedups > > O2-bridges can do read prefetch and write burst. However, for some combinations > of older bridges and cards, this causes problems, so it is disabled for those > bridges. Now, as some users know their setup works with the speedups enabled, a > new parameter is introduced to the driver. Now, a user can specifically enable > or disable these features, while the default is what we have today: detect the > bridge and decide accordingly. Fixes Bugzilla entry 15014. > > Simplify and unify the printouts, fix a whitespace issue while we are here. > > Signed-off-by: Wolfram Sang > Tested-by: frodone@gmail.com > [linux@dominikbrodowski.net: whitespace fixes] > Signed-off-by: Dominik Brodowski > > > And my > > git log -p drivers/pcmcia/o2micro.h > > also mentions > > commit 1ff84890b62b20823b3697a6041bbec1b5280cee > Author: Tomas Kovacik > Date: Sun Jul 26 22:04:58 2009 +0200 > > pcmcia: disable prefetch/burst for OZ6933 > > Problems have been reported [1], so disable prefetch/burst, to be on the safe > side. > > [1] http://www.mail-archive.com/linux-pcmcia@lists.infradead.org/msg02048.html > > Signed-off-by: Tomáš Kováčik > Signed-off-by: Wolfram Sang > Signed-off-by: Greg Kroah-Hartman > > > > A useful idea would be to kindly ask Tomáš Kováčik (CC'd) about details of his system > (4 years later - but hopefully...), specifically lspci -vv -xxx or some such > (especially the revision of that controller might be *different*, > so perhaps only *some* 6933 remained affected, whereas newer ones of that > possibly more modern chipset ID started to get corrected). > Or quite likely there's some sufficiently detailed lspci log of that hardware > out on the internet somewhere... > > > Note that there's the comment > "for some bridges it is at 0x94, for others at 0xD4. it's > * ok to write to both registers on all O2 bridges." > , yet our 6933 support lines were added *later*, > so there's a faint possibility that the compatibility statement > actually does not apply to this chipset. > > > > And of course there remains the question *why* such slow communication > would then cause such severe USB HC communication trouble. > There might be some safeguard missing there as well... > > > And kudos to the patch submitters for having supplied > such nicely detailed commit logs! > (although mentioning the title of URLs probably would have been even better) > > > > > Note that this is only a 1.7Ghz Pentium-4-M dinosaur. > > That means you really don't want to know which kinds of machines I am using ;) > (yes, I'm sitting at a CardBus box here, too) > ((TI CardBus controller)) > > > Greetings, > > Andreas Mohr (KA/S) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/