From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ohad Ben-Cohen Subject: Re: MMC runtime PM patches break libertas probe Date: Mon, 30 May 2011 14:16:07 +0300 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Return-path: Received: from mail-wy0-f174.google.com ([74.125.82.174]:52676 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751697Ab1E3LQ2 (ORCPT ); Mon, 30 May 2011 07:16:28 -0400 Received: by wya21 with SMTP id 21so2551919wya.19 for ; Mon, 30 May 2011 04:16:27 -0700 (PDT) In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: zhangfei gao Cc: Daniel Drake , linux-mmc@vger.kernel.org, Mike Rapoport , Zhangfei Gao , Bing Zhao Hi Zhangfei, Bing, On Mon, May 30, 2011 at 2:04 PM, zhangfei gao wrote: > sd8686 requires two pins to control power, PDn and RESETn. > To enable sd8686, PDn and RESETn should both set high. > To disable sd8686, PDn should be set low. If we power down the sd8686, and power it up again, without toggling the reset pin at all (e.g. keep it always high), will the card work ? Thanks, Ohad.