From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jaehoon Chung Subject: Re: [PATCH v7] mmc: support BKOPS feature for eMMC Date: Thu, 23 Feb 2012 11:21:07 +0900 Message-ID: <4F45A293.6060608@samsung.com> References: <4F190E26.4040909@samsung.com> <4F44F792.2000304@intel.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]:63559 "EHLO mailout3.samsung.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752036Ab2BWCVS (ORCPT ); Wed, 22 Feb 2012 21:21:18 -0500 Received: from epcpsbgm1.samsung.com (mailout3.samsung.com [203.254.224.33]) by mailout3.samsung.com (Oracle Communications Messaging Exchange Server 7u4-19.01 64bit (built Sep 7 2010)) with ESMTP id <0LZT0084LQHH0680@mailout3.samsung.com> for linux-mmc@vger.kernel.org; Thu, 23 Feb 2012 11:21:10 +0900 (KST) Received: from [165.213.219.108] by mmp2.samsung.com (Oracle Communications Messaging Exchange Server 7u4-19.01 64bit (built Sep 7 2010)) with ESMTPA id <0LZT00738QJ9RG40@mmp2.samsung.com> for linux-mmc@vger.kernel.org; Thu, 23 Feb 2012 11:21:10 +0900 (KST) In-reply-to: <4F44F792.2000304@intel.com> Sender: linux-mmc-owner@vger.kernel.org List-Id: linux-mmc@vger.kernel.org To: Adrian Hunter Cc: Jaehoon Chung , linux-mmc , Chris Ball , Kyungmin Park , Hanumath Prasad , Per FORLIN , Sebastian Rasmussen , "Dong, Chuanxiao" , "svenkatr@ti.com" , Konstantin Dorfman On 02/22/2012 11:11 PM, Adrian Hunter wrote: > On 20/01/12 08:48, Jaehoon Chung wrote: >> Enable eMMC background operations (BKOPS) feature. >> >> If URGENT_BKOPS is set after a response, note that BKOPS >> are required. After all I/O requests are finished, run >> BKOPS if required. Should read/write operations be requested >> during BKOPS, first issue HPI to interrupt the ongoing BKOPS >> and then service the request. > > You are leaving bkops running and releasing the host. Won't > that cause problems for other entry points to mmc services > e.g. system suspend (cache control, sleep etc), ioctl, sysfs, > etc I see. i will complement for your review. Didn't you have the other comment? Best Regards, Jaehoon Chung > -- > 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 >