From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Hannemann Subject: Re: regression: b43-sdio: probe of mmc0:0001:1 failed with error -16 Date: Sun, 31 Oct 2010 18:35:18 +0100 Message-ID: <4CCDA8D6.7030905@arndnet.de> References: <4CCDA454.708@arndnet.de> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit Return-path: Received: from slowhand.arndnet.de ([88.198.19.76]:51906 "EHLO mail.unitix.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1756219Ab0JaRfU (ORCPT ); Sun, 31 Oct 2010 13:35:20 -0400 In-Reply-To: <4CCDA454.708@arndnet.de> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Ohad Ben-Cohen , "linux-mmc@vger.kernel.org" , "linux-wireless@vger.kernel.org" , linux-kernel@vger.kernel.org Am 31.10.2010 18:16, schrieb Arnd Hannemann: > on todays Linus' git (v2.6.36-9871-g3985c7c) b43 sdio stopped working. > It was working on (v2.6.36-6794-g12ba8d1). > > b43-sdio: probe of mmc0:0001:1 failed with error -16 > > The error seems to originate from the following code in drivers/mmc/core/sdio_bus.c:sdio_bus_probe() > > 135 ret = pm_runtime_get_sync(dev); > 136 if (ret < 0) > 137 goto out; > > so I suspect this has something to do with the following commit: > > commit 40bba0c1ca83a370f749c8bc9afda71cf79ebd91 > Author: Ohad Ben-Cohen > Date: Sat Oct 2 13:54:11 2010 +0200 > > mmc: sdio: enable runtime PM for SDIO functions > > However, simply reverting 40bba0c1ca83a370f749c8bc9afda71cf79ebd91 does not work because then > modprobe hangs. > > Tested on AP4EVB (arm) with tmio_mmc. Any ideas? FYI: disabling CONFIG_PM_RUNTIME in my config seems to fix the issue for me. Best regards, Arnd