Return-path: Received: from na3sys009aog117.obsmtp.com ([74.125.149.242]:43470 "EHLO na3sys009aog117.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753135Ab1H2OTU (ORCPT ); Mon, 29 Aug 2011 10:19:20 -0400 Received: by mail-bw0-f49.google.com with SMTP id 17so6628508bke.22 for ; Mon, 29 Aug 2011 07:19:18 -0700 (PDT) Subject: Re: Problem with wl1271 From: Luciano Coelho To: Ilya Ledvich Cc: "John W. Linville" , Ohad Ben-Cohen , linux-wireless@vger.kernel.org, Igor Grinberg In-Reply-To: <4E5B9B44.6080508@compulab.co.il> References: <4E5B9B44.6080508@compulab.co.il> Content-Type: text/plain; charset="UTF-8" Date: Mon, 29 Aug 2011 17:19:15 +0300 Message-ID: <1314627555.2296.353.camel@cumari> (sfid-20110829_161923_150405_0D07F482) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: On Mon, 2011-08-29 at 16:59 +0300, Ilya Ledvich wrote: > Hi, Hi Ilya, [...] > I load the wl12xx_sdio module and then set the interface up; no obvious > error > is seen. When I run any other command (e.g. interface down/up, iwlist scan). > I have "/wl1271: ERROR ELP wakeup timeout!/" error. Then the driver > tries to > recover the chip; this eventually leads to the > "/wl1271: ERROR sdio read failed (-110)/" error. The log file for > ifconfig wlan0 up - down - up sequence is attached. This looks like an SDIO power management problem. Do you have CONFIG_PM_RUNTIME enabled in your kernel? Can you send us your .config and the patch where you modified the board-cm-t35.c file? -- Cheers, Luca.