Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757551Ab0FOLRg (ORCPT ); Tue, 15 Jun 2010 07:17:36 -0400 Received: from mail-ww0-f46.google.com ([74.125.82.46]:53094 "EHLO mail-ww0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757512Ab0FOLRe (ORCPT ); Tue, 15 Jun 2010 07:17:34 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:newsgroups:to:cc :subject:references:in-reply-to:content-type :content-transfer-encoding; b=RO/VzqJUy84XTz3QI+7Aio7GKiso/cvdX6O+bLiYguTY1BCfGUvN2vw3ojcJQq+WgA Y9w5dbNGQ0xsyXwaQ0oRxiHy5MPp3FEB/xIf00bYxaIe7mPXXnyKN/OrRaQJcAssM7vd 5xXLS1FarZwx68wHQwU3e+WttN4ywDvTgpMWc= Message-ID: <4C176148.4020507@gmail.com> Date: Tue, 15 Jun 2010 13:17:28 +0200 From: Maurus Cuelenaere User-Agent: Mozilla/5.0 (X11; U; Linux i686; nl; rv:1.9.1.9) Gecko/20100317 Lightning/1.0b1 Thunderbird/3.0.4 MIME-Version: 1.0 Newsgroups: gmane.linux.kernel,gmane.linux.ports.arm.kernel To: Jassi Brar CC: Kukjin Kim , Linus Walleij , Dan Williams , linux-arm-kernel@lists.infradead.org, yuanyabin1978@sina.com, Viresh Kumar , Alessandro Rubini , linux-kernel@vger.kernel.org, Ben Dooks , Peter Pearse Subject: Re: [PATCH 06/13] DMAENGINE: driver for the ARM PL080/PL081 PrimeCells References: <1276270031-1607-1-git-send-email-linus.walleij@stericsson.com> <002001cb0c75$0a54fd00$1efef700$%kim@samsung.com> In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1496 Lines: 32 Op 15-06-10 12:45, Jassi Brar schreef: > On Tue, Jun 15, 2010 at 7:25 PM, Kukjin Kim wrote: >> Linus Walleij wrote: >>> >>> This creates a DMAengine driver for the ARM PL080/PL081 PrimeCells >>> based on the implementation earlier submitted by Peter Pearse. >>> This is working like a charm for memcpy on the PB11MPCore, but >>> slave DMA to devices is still not working. >>> >>> This DMA controller is used in mostly unmodified form in the ARM >>> RealView and Versatile platforms, in the ST-Ericsson Nomadik, and >>> in the ST SPEAr platform. >>> >>> It has been converted to use the header from the Samsung PL080 >>> derivate instead of its own defintions, and can potentially support >>> several controllers in the same system. >>> >>> Cc: Peter Pearse >>> Cc: Ben Dooks >>> Cc: Kukjin Kim >> >> Looks good, but please give me some time to test on the board(SMDK6410). >> If any problem, let you know. Of course no problem, will ack. > Samsung doesn't use the DMA API, so this driver is unlikely to work. It doesn't indeed, but it could be adapted to be a wrapper around the DMA engine API. Or even better, the drivers could be adapted to use that API. -- 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/