Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965227AbWJBSQv (ORCPT ); Mon, 2 Oct 2006 14:16:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965233AbWJBSQv (ORCPT ); Mon, 2 Oct 2006 14:16:51 -0400 Received: from ns2.g-housing.de ([81.169.133.75]:15518 "EHLO mail.g-house.de") by vger.kernel.org with ESMTP id S965227AbWJBSQu (ORCPT ); Mon, 2 Oct 2006 14:16:50 -0400 Date: Mon, 2 Oct 2006 19:16:45 +0100 (BST) From: Christian Kujau X-X-Sender: evil@sheep.housecafe.de To: linux-kernel@vger.kernel.org cc: christopher.leech@intel.com Subject: CONFIG_DMA_ENGINE helptext Message-ID: MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="-1463809526-190321547-1159813005=:8599" Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2428 Lines: 58 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. ---1463809526-190321547-1159813005=:8599 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Hello, I was wondering what CONFIG_DMA_ENGINE is about and the only hint I found was this: http://lkml.org/lkml/2006/9/25/285 That's why I was about to send the attached patch. However, from looking at the comments in drivers/dma/dmaengine.c, it seems to be about non-HW-specific DMA support: "This code implements the DMA subsystem. It provides a HW-neutral interface for other kernel code to use asynchronous memory copy capabilities" Because I don't know anything about the innards of DMA, can someone please enlighten me what this knob is for and why one should enable it? Thanks, Christian. -- BOFH excuse #94: Internet outage ---1463809526-190321547-1159813005=:8599 Content-Type: TEXT/plain; charset=US-ASCII; name=Kconfig-DMA_ENGINE-2.6.18.diff Content-Transfer-Encoding: BASE64 Content-ID: Content-Description: Content-Disposition: attachment; filename=Kconfig-DMA_ENGINE-2.6.18.diff LS0tIGxpbnV4LTIuNi9kcml2ZXJzL2RtYS9LY29uZmlnCTIwMDYtMDktMjIg MDY6MjA6MTYuMDAwMDAwMDAwICswMTAwDQorKysgbGludXgtMi42L2RyaXZl cnMvZG1hL0tjb25maWcuZWRpdGVkCTIwMDYtMTAtMDIgMTk6MDQ6MjUuMDAw MDAwMDAwICswMTAwDQpAQCAtOCw3ICs4LDExIEBAIGNvbmZpZyBETUFfRU5H SU5FDQogCWJvb2wgIlN1cHBvcnQgZm9yIERNQSBlbmdpbmVzIg0KIAktLS1o ZWxwLS0tDQogCSAgRE1BIGVuZ2luZXMgb2ZmbG9hZCBjb3B5IG9wZXJhdGlv bnMgZnJvbSB0aGUgQ1BVIHRvIGRlZGljYXRlZA0KLQkgIGhhcmR3YXJlLCBh bGxvd2luZyB0aGUgY29waWVzIHRvIGhhcHBlbiBhc3luY2hyb25vdXNseS4N CisJICBoYXJkd2FyZSwgYWxsb3dpbmcgdGhlIGNvcGllcyB0byBoYXBwZW4g YXN5bmNocm9ub3VzbHkuIFNwZWNpYWwNCisJICBoYXJkd2FyZSBpcyByZXF1 aXJlZCBmb3IgdGhpcywgY3VycmVudGx5IG9ubHkgdGhlIEludGVsIEU1MDAw IA0KKwkgIGNoaXBzZXQgaXMgc3VwcG9ydGVkLCBjZXJ0YWluIFJBSUQgY29u dHJvbGxlcnMgbWlnaHQgc3VwcG9ydA0KKwkgIHRoaXMgdG9vLiBOb3RlIHRo YXQgdGhpcyBoYXMgbm90aGluZyB0byBkbyB3aXRoIFBDSS1ETUEgaW4NCisJ ICB0aGUgZmlyc3QgcGxhY2UuDQogDQogY29tbWVudCAiRE1BIENsaWVudHMi DQogDQo= ---1463809526-190321547-1159813005=:8599-- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/