Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1758094Ab0KAOeS (ORCPT ); Mon, 1 Nov 2010 10:34:18 -0400 Received: from mail-iw0-f174.google.com ([209.85.214.174]:43945 "EHLO mail-iw0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756439Ab0KAOeQ convert rfc822-to-8bit (ORCPT ); Mon, 1 Nov 2010 10:34:16 -0400 MIME-Version: 1.0 X-Originating-IP: [93.172.188.124] In-Reply-To: <4CCECD09.2010505@arndnet.de> References: <4CCDA454.708@arndnet.de> <4CCDE4EB.7060001@arndnet.de> <4CCE74DB.8000206@arndnet.de> <4CCECD09.2010505@arndnet.de> From: Ohad Ben-Cohen Date: Mon, 1 Nov 2010 16:33:54 +0200 Message-ID: Subject: Re: regression: b43-sdio: probe of mmc0:0001:1 failed with error -16 To: Arnd Hannemann Cc: "linux-mmc@vger.kernel.org" , "linux-wireless@vger.kernel.org" , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1229 Lines: 32 On Mon, Nov 1, 2010 at 4:22 PM, Arnd Hannemann wrote: > It looks like this: > > root@ap4evb:~# modprobe b43 > [ ? 36.023437] cfg80211: Calling CRDA to update world regulatory domain > [ ? 36.460937] sdio_bus_probe() > [ ? 36.468750] sdio_bus_probe() calling pm_runtime_get_sync() > [ ? 36.468750] mmc_power_restore_host() begin > [ ? 36.570312] mmc_sdio_power_restore() begin > [ ? 36.570312] mmc_sdio_init_card() > [ ? 36.578125] mmc_sdio_init_card() mmc_send_io_op_cond ret=-110 OK, thanks. CMD5 time outs. I suspect it's similar to what we have with the XO-1.5: despite software calling mmc_power_off/on, the hardware does not go through full power off/on cycle. >> The interesting part is actually what happens after sdio_bus_probe(), >> not before it. > > Actually nothing special happens after sdio_bus_probe() The actual failure happens after it (in mmc_sdio_init_card). > With your patch the problem goes away, thanks. Thank you for testing this, Ohad. -- 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/