From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932117AbXGJSlv (ORCPT ); Tue, 10 Jul 2007 14:41:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1762076AbXGJSlf (ORCPT ); Tue, 10 Jul 2007 14:41:35 -0400 Received: from an-out-0708.google.com ([209.85.132.245]:64067 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1763170AbXGJSle (ORCPT ); Tue, 10 Jul 2007 14:41:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:sender:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references:x-google-sender-auth; b=tE3Osy6n2qaPZbQic94bOAw2hhIxUSmm7BmCsaH4QxUPL0Q5rTVkIi32P9XwIT6XawnhlF3d+klagQ57tltnGTUSU2OCiOOJUAn0judCMZa21yjk/EGRmvByN6lorSuhUEX9x6vas26Hc/6uZOX1jRB0Q/Nuv1BV1nBzOOCJFcQ= Message-ID: Date: Tue, 10 Jul 2007 11:41:32 -0700 From: "Dan Williams" To: "Zhang Wei" Subject: Re: [PATCH 3/4] Extend the DMA-engine API. Cc: akpm@linux-foundation.org, paulus@samba.org, galak@kernel.crashing.org, linuxppc-dev@ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: <11840607111926-git-send-email-wei.zhang@freescale.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <11840607111926-git-send-email-wei.zhang@freescale.com> X-Google-Sender-Auth: 4924806d4e63465e Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 7/10/07, Zhang Wei wrote: > Add channel wait queue and transfer callback dma_xfer_callback(). > If the DMA controller and driver support interrupt, when the > transfer is finished, it will wakeup the wait queue > and call the callback function of the channel. > > Add dma_async_raw_xfer() to API and device_raw_xfer() to struct dma_device > for RAW physical address DMA transfer, which will be used at transfer > between I/O address and memory address. > Please review the async_tx API patch series[1], it should meet your needs. What you call "raw" mode support is now default for the dmaengine driver interface. I plan to request that this series be merged for 2.6.23. Regards, Dan [1]http://marc.info/?l=linux-raid&w=2&r=1&s=md-accel&q=b