From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933265Ab0J0OR3 (ORCPT ); Wed, 27 Oct 2010 10:17:29 -0400 Received: from asmtpout027.mac.com ([17.148.16.102]:62456 "EHLO asmtpout027.mac.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755177Ab0J0OR1 (ORCPT ); Wed, 27 Oct 2010 10:17:27 -0400 MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:5.2.15,1.0.148,0.0.0000 definitions=2010-10-27_07:2010-10-27,2010-10-27,1970-01-01 signatures=0 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 spamscore=0 ipscore=0 suspectscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=6.0.2-1004200000 definitions=main-1010270056 Subject: Re: kernel BUG at drivers/mmc/core/sdio_io.c:28! From: Elvis Dowson In-reply-to: Date: Wed, 27 Oct 2010 18:16:45 +0400 Cc: Linux Kernel Mailing List Message-id: <60722BDE-68CB-47B7-856E-6986D760FE42@mac.com> References: <652BFE86-3BFE-4E21-88BA-004CA7140D18@mac.com> To: Ohad Ben-Cohen X-Mailer: Apple Mail (2.1081) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Ohad, On Oct 27, 2010, at 6:05 PM, Ohad Ben-Cohen wrote: > You actually seem to have two problems here: > 1. Your SDIO driver's probe function isn't called > 2. Your WLAN driver is using the SDIO API without having a valid SDIO function > > Ignoring the 2nd issue for now, you most probably have an integration > problem. Is the chip powered up correctly ? Yes, I checked the VBAT, and VIO and WLAN Power Enable signals. > is it mmc rescanned after it is powered up ? I'm not sure about this. How can I check this? Could you point me to a code fragment? > are you using the correct mmc controller ? Yes, MMC2, as per the schematics. > have you configured your mmc lines correctly (board muxing) ? etc.. Yes, I've setup the mux settings correctly. > Maybe you want to checkout the mainline wl1271 driver using Luca's > Beagle board patches :) Ok, will try it once again. Best regards, Elvis