From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from de01egw01.freescale.net (de01egw01.freescale.net [192.88.165.102]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "de01egw01.freescale.net", Issuer "Thawte Premium Server CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 5DBEEDDE05 for ; Thu, 13 Mar 2008 08:17:36 +1100 (EST) Message-ID: <47D8484B.10300@freescale.com> Date: Wed, 12 Mar 2008 16:16:59 -0500 From: Timur Tabi MIME-Version: 1.0 To: Sebastian Siewior Subject: Re: Using the loop feature of the DMA controller on MPC8544 DS References: <20080312123437.GA1589@Chamillionaire.breakpoint.cc> <47D7FD9D.2040202@freescale.com> <20080312172024.GB7255@Chamillionaire.breakpoint.cc> <47D82542.8020000@freescale.com> <20080312204451.GA11426@Chamillionaire.breakpoint.cc> <47D841EE.2060806@freescale.com> <20080312211504.GC11426@Chamillionaire.breakpoint.cc> In-Reply-To: <20080312211504.GC11426@Chamillionaire.breakpoint.cc> Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sebastian Siewior wrote: > Ah okey. So you grab one DMA channel for yourself and you hope no one else > is going to use it? Yes. My driver was written first, that's how I was able to get away with it. :-) > Are you using lists descriptors or single transfers? Link descriptors. -- Timur Tabi Linux kernel developer at Freescale