From mboxrd@z Thu Jan 1 00:00:00 1970 From: Seungwon Jeon Subject: RE: [PATCH] mmc: core: Add cache control for eMMC4.5 device Date: Thu, 06 Oct 2011 17:22:26 +0900 Message-ID: <000f01cc8401$14d6ffd0$3e84ff70$%jun@samsung.com> References: <1315466950-28973-1-git-send-email-tgih.jun@samsung.com> <4E8C43B5.7020704@intel.com> <000401cc83e1$ca2c8fa0$5e85aee0$%jun@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8BIT Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:62215 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932245Ab1JFIW2 convert rfc822-to-8bit (ORCPT ); Thu, 6 Oct 2011 04:22:28 -0400 In-reply-to: Content-language: ko Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: "'Andrei E. Warkentin'" Cc: 'Adrian Hunter' , linux-mmc@vger.kernel.org, cjb@laptop.org, linux-samsung-soc@vger.kernel.org, kgene.kim@samsung.com, dh.han@samsung.com Andrei E. Warkentin wrote: > Hi Seungwon, > > 2011/10/6 Seungwon Jeon : > > Adrian Hunter wrote: > >> On 08/09/11 10:29, Seungwon Jeon wrote: > >> > This patch adds cache feature of eMMC4.5 Spec. > >> > If device supports cache capability, host can utilize some specific > >> > operations. > >> > > >> > Signed-off-by: Seungwon Jeon > >> > --- > > I don't think eMMC 4.5 is public yet, so could you elaborate on the > volatile cache? I am > in particular interested in how the volatile cache affects reliable > writes (I would assume it doesn't > affect them at all). Right, no effect. Data of reliable write will be written the non-volatile memory not cache forcedly. > > A > -- > 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