From mboxrd@z Thu Jan 1 00:00:00 1970 From: Adrian Hunter Subject: Re: [PATCH] mmc: MMC 4.4 DDR support Date: Fri, 08 Oct 2010 10:02:21 +0300 Message-ID: <4CAEC1FD.6060607@nokia.com> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from smtp.nokia.com ([192.100.122.233]:49354 "EHLO mgw-mx06.nokia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753048Ab0JHHCp (ORCPT ); Fri, 8 Oct 2010 03:02:45 -0400 In-Reply-To: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Philip Rakity Cc: "linux-mmc@vger.kernel.org" On 01/10/10 06:01, ext Philip Rakity wrote: > > I was wondering if we could remove one of the CAPS for DDR voltage (MMC_CAP_1_8V_DDR and MMC_CAP_1_2V_DDR). Both 1.2 and 1.8v are defined in the JEDEC Standard No. 84-A441. > > The sd 3.0 host controller only defines the option for 1.8v. I cannot see a way to set 1.2v. > > If this makes sense I can prepare a patch.-- If the host controller does not support 1.2V DDR then it should definitely not set MMC_CAP_1_2V_DDR. That is precisely what the caps are for. > To unsubscribe from this list: send the line "unsubscribe linux-mmc" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >