From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH] mmc: enable BKOPS for supported eMMC(4.41) Date: Thu, 05 Sep 2013 22:03:38 +0900 Message-ID: <5228812A.2040301@samsung.com> References: <52242F31.4030103@samsung.com> <52269C2A.2030105@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout4.samsung.com ([203.254.224.34]:46525 "EHLO mailout4.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751755Ab3IENDT (ORCPT ); Thu, 5 Sep 2013 09:03:19 -0400 Received: from epcpsbgr1.samsung.com (u141.gpu120.samsung.co.kr [203.254.230.141]) by mailout4.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MSN0038ILLG9020@mailout4.samsung.com> for linux-mmc@vger.kernel.org; Thu, 05 Sep 2013 22:03:17 +0900 (KST) In-reply-to: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Prasanna NAVARATNA Cc: linux-mmc@vger.kernel.org On 09/05/2013 06:12 PM, Prasanna NAVARATNA wrote: > Hello, > >> http://permalink.gmane.org/gmane.linux.kernel.mmc/15430 > This link mentions that BKOPS_EN 163bit in EXT_CSD is one-time programmable > flag but from JEDEC Standard No. 84-A441 spec, it is R/W bit. Please > re-confirm about the statement. R/W bit is one-time programmable and readable. what do you mean? > > >>> MMC-Utils open source utility for enabling and disabling features. >>> It use ioctl defined in block/card to send commands to host. >>> git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc-utils.git > > I am not able to find this git in my platform repo. > Is this mmc-utils git mandatory to have? > What if, somebody don't have it and need to enabled BKOPS for eMMMC4.41? > Is mmc-utils the only way to enable BKOPS? If you want to enable the bkops, then you can use your patch at your local repo, not mainline. Best Regards, Jaehoon Chung > > Regards, > Prasanna NAVARATNA > > -- > 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 >