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: Wed, 04 Sep 2013 11:34:18 +0900 Message-ID: <52269C2A.2030105@samsung.com> References: <52242F31.4030103@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Return-path: Received: from mailout3.samsung.com ([203.254.224.33]:62138 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756378Ab3IDCeC (ORCPT ); Tue, 3 Sep 2013 22:34:02 -0400 Received: from epcpsbgr5.samsung.com (u145.gpu120.samsung.co.kr [203.254.230.145]) by mailout3.samsung.com (Oracle Communications Messaging Server 7u4-24.01 (7.0.4.24.0) 64bit (built Nov 17 2011)) with ESMTP id <0MSK007LHXSIT4F0@mailout3.samsung.com> for linux-mmc@vger.kernel.org; Wed, 04 Sep 2013 11:34:00 +0900 (KST) In-reply-to: Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Nitin Singla Cc: Prasanna NAVARATNA , linux-mmc@vger.kernel.org Hi Prasanna, You can refer to http://permalink.gmane.org/gmane.linux.kernel.mmc/15430 Best Regards, Jaehoon Chung On 09/03/2013 06:34 PM, Nitin Singla wrote: > Hi Prasanna, > > 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 > > Thanks, > Nitin > > On Tue, Sep 3, 2013 at 2:28 PM, Prasanna NAVARATNA > wrote: >> Hello Jaehoon, >> >>> Why do you use MMC_CAP2_BKOPS_EN? >> Because BKOPS on eMMC4.41 is optional. So the capability is provided for the >> platform to either enable/disable this feature (its not mandatory to always >> enable BKOPS on 4.41) >> >>> Maybe we had discussed about this point. i know that we can enable the >> BKOPS with the mmc-util. >>> (Actually, This code had included into my first patch. but it's removed.) >> I'm not aware of this discussion and currently I'm running on eMMC4.41 and >> bkops is supported but not enabled. So i suggested this patch. >> Do you mean to say, right now, i can enable it using mmc-utils? >> Will you please elaborate? >> >> Thanks, >> Prasanna >> >> -- >> 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 >