From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH 0/2] mmc: core: pre-patch for next eMMC version Date: Fri, 14 Sep 2012 16:13:01 +0900 Message-ID: <5052D8FD.1010900@samsung.com> References: <5036C96A.7070300@samsung.com> <503C4A01.2030200@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout2.samsung.com ([203.254.224.25]:63283 "EHLO mailout2.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754655Ab2INHN0 (ORCPT ); Fri, 14 Sep 2012 03:13:26 -0400 Received: from epcpsbgm2.samsung.com (epcpsbgm2 [203.254.230.27]) by mailout2.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MAB009CNVZDAJP0@mailout2.samsung.com> for linux-mmc@vger.kernel.org; Fri, 14 Sep 2012 16:13:10 +0900 (KST) Received: from [10.90.51.55] by mmp1.samsung.com (Oracle Communications Messaging Server 7u4-24.01(7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTPA id <0MAB00G8RW1XMP40@mmp1.samsung.com> for linux-mmc@vger.kernel.org; Fri, 14 Sep 2012 16:13:10 +0900 (KST) In-reply-to: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Kyungmin Park Cc: Ulf Hansson , Jaehoon Chung , linux-mmc , Chris Ball Hi Ulf and Chris, Could you have any opinion? If you have no more, could you merge the patch for eMMC5.0? Best Regards, Jaehoon Chung On 08/29/2012 08:59 PM, Kyungmin Park wrote: > Hi Ulf, > > On 8/29/12, Ulf Hansson wrote: >> Hi Jaehoon, >> >> On 28 August 2012 06:33, Jaehoon Chung wrote: >>> Hi Ulf, >>> >>> This patch is to support eMMC5.0.(already discussing on eMMC5.0.) >>> Revision value is defined the 0x7 into ext_csd register.(in eMMC5.0's >>> case) >> >> Until the spec is really set we should not add some new code for this, >> it does not make sense to kind of guess. > It's not guess. it's determined and will be discussed at JEDEC soon. > > Revision 1.7 (for MMC V5.0) > > Thank you, > Kyungmin Park >> >>> >>> And case of Quirks is preparation patch to prevent the problem that should >>> exist. >>> That Quirks can also use for backward compatibility. >>> (if card is greater version than eMMC4.5 and need to use only eMMC4.5 >>> feature? >>> then can use quirks and known_rev.) >> >> It is just speculations about potential problems with eMMC 5.0. I >> think we can leave this to later, if/when we see a need for it. >> >> Kind regards >> Ulf Hansson >> -- >> 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 >> > -- > 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 >