Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760425Ab3JPJNp (ORCPT ); Wed, 16 Oct 2013 05:13:45 -0400 Received: from mga03.intel.com ([143.182.124.21]:60228 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760109Ab3JPJNm (ORCPT ); Wed, 16 Oct 2013 05:13:42 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,506,1378882800"; d="scan'208";a="411778762" From: "Shevchenko, Andriy" To: "Koul, Vinod" CC: "Williams, Dan J" , Youquan Song , Greg KH , "Song, Youquan" , "Westerberg, Mika" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH 1/2] dma: Add interface to calculate data transferred Thread-Topic: [PATCH 1/2] dma: Add interface to calculate data transferred Thread-Index: AQHOxmj7TKNMun2fTEyCvrAxr1aQIZnvb2yAgANEMICAA1hkAP//1FAAgADmHoCAAEd+kf//9FIA Date: Wed, 16 Oct 2013 09:13:20 +0000 Message-ID: <1381914782.29062.137.camel@smile> References: <1381527738-9339-1-git-send-email-youquan.song@intel.com> <1381527738-9339-2-git-send-email-youquan.song@intel.com> <20131011133343.GB32689@kroah.com> <20131013152633.GM2954@intel.com> <20131015183142.GA12494@linux-youquan.bj.intel.com> <20131016053857.GV2954@intel.com> <1381912571.29062.135.camel@smile> <20131016075702.GW2954@intel.com> In-Reply-To: <20131016075702.GW2954@intel.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.237.72.173] Content-Type: text/plain; charset="utf-8" Content-ID: MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from base64 to 8bit by mail.home.local id r9G9Doqn031460 Content-Length: 1398 Lines: 34 On Wed, 2013-10-16 at 13:27 +0530, Vinod Koul wrote: > On Wed, Oct 16, 2013 at 02:06:30PM +0530, Shevchenko, Andriy wrote: > > On Wed, 2013-10-16 at 11:08 +0530, Vinod Koul wrote: [] > > > Well am going to take it a bit further and ask you why do we need the > > > /sys/class/dma? I have never used it for slave work. > > > > How user (who, f.e., would like to run dmatest) will know names of the > > channels provided? > Ok dmatest requires this, I overlooked that part > > > How could we see what channels of certain dma controller are requested / > > busy from userspace? > But do end user care or need to know about this? The idea is to have some test cases. So, end user probably doesn't really need this. -- Andy Shevchenko Intel Finland Oy --------------------------------------------------------------------- Intel Finland Oy Registered Address: PL 281, 00181 Helsinki Business Identity Code: 0357606 - 4 Domiciled in Helsinki This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. ????{.n?+???????+%?????ݶ??w??{.n?+????{??G?????{ay?ʇڙ?,j??f???h?????????z_??(?階?ݢj"???m??????G????????????&???~???iO???z??v?^?m???? ????????I?