From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Roese Subject: Re: omap_hsmmc: Problem with SanDisk Extreme Pro MicroSDHC 1 Date: Tue, 08 Apr 2014 16:09:44 +0200 Message-ID: <53440328.5010609@gmail.com> References: <5342AC5C.8000904@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mo4-p05-ob.smtp.rzone.de ([81.169.146.180]:11207 "EHLO mo4-p05-ob.smtp.rzone.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756996AbaDHOJ0 (ORCPT ); Tue, 8 Apr 2014 10:09:26 -0400 In-Reply-To: <5342AC5C.8000904@gmail.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: linux-mmc@vger.kernel.org Cc: Balaji T K On 07.04.2014 15:47, Stefan Roese wrote: > I'm currently testing on an OMAP3530 board (tao3530 SOM with custom > baseboard) with v3.14. I applied all the OMAP/pbias patch from Balaji > and MMC/SDcard detection seemed to work reliably. > > But now I noticed that the SanDisk Extreme Pro MicroSDHC 1 (8 GB) is not > detected all the time. It seems that the card detected fails with > timeout on (approx?) each 2nd reboot (via reset button). A quick check > shows that the timeout happens in mmc_send_app_op_cond(): > > [ 4.901275] mmc0: error -110 whilst initialising SD card > [ 4.939849] mmc1: new SDIO card at address 0001 > > Is this a known issue? Any ideas on how to fix this? Just to let you know. I missed to add the "cd-gpios" property to the mmc DT node. With this addition the detection seems to work reliably. Sorry for the noise, Stefan