From patchwork Thu Dec 10 17:35:15 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Guennadi Liakhovetski X-Patchwork-Id: 66320 Received: from vger.kernel.org (vger.kernel.org [209.132.176.167]) by demeter.kernel.org (8.14.2/8.14.2) with ESMTP id nBAHZsil025452 for ; Thu, 10 Dec 2009 17:35:55 GMT Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1761254AbZLJRfK (ORCPT ); Thu, 10 Dec 2009 12:35:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761295AbZLJRez (ORCPT ); Thu, 10 Dec 2009 12:34:55 -0500 Received: from mail.gmx.net ([213.165.64.20]:39866 "HELO mail.gmx.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with SMTP id S1761331AbZLJRet (ORCPT ); Thu, 10 Dec 2009 12:34:49 -0500 Received: (qmail invoked by alias); 10 Dec 2009 17:34:54 -0000 Received: from p57BD188C.dip0.t-ipconnect.de (EHLO axis700.grange) [87.189.24.140] by mail.gmx.net (mp002) with SMTP; 10 Dec 2009 18:34:54 +0100 X-Authenticated: #20450766 X-Provags-ID: V01U2FsdGVkX1/rUHVhtYDrMFc+j9pmqd1259WVV0YdJ6NhLokfih 8c/COW4VHKU1d+ Received: from lyakh (helo=localhost) by axis700.grange with local-esmtp (Exim 4.63) (envelope-from ) id 1NImv5-0004UA-Ci; Thu, 10 Dec 2009 18:35:15 +0100 Date: Thu, 10 Dec 2009 18:35:15 +0100 (CET) From: Guennadi Liakhovetski To: linux-kernel@vger.kernel.org cc: Dan Williams , linux-sh@vger.kernel.org Subject: [PATCH 3/3] dmaengine: clarify the meaning of the DMA_CTRL_ACK flag In-Reply-To: Message-ID: References: MIME-Version: 1.0 X-Y-GMX-Trusted: 0 X-FuHaFi: 0.6 Sender: linux-sh-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-sh@vger.kernel.org diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h index 2b9f2ac..7878498 100644 --- a/include/linux/dmaengine.h +++ b/include/linux/dmaengine.h @@ -74,7 +74,7 @@ enum dma_transaction_type { * control completion, and communicate status. * @DMA_PREP_INTERRUPT - trigger an interrupt (callback) upon completion of * this transaction - * @DMA_CTRL_ACK - the descriptor cannot be reused until the client + * @DMA_CTRL_ACK - if clear, the descriptor cannot be reused until the client * acknowledges receipt, i.e. has has a chance to establish any dependency * chains * @DMA_COMPL_SKIP_SRC_UNMAP - set to disable dma-unmapping the source buffer(s)