From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-fx0-f51.google.com (mail-fx0-f51.google.com [209.85.161.51]) (using TLSv1 with cipher RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 91319B6F2B for ; Sat, 9 Apr 2011 01:30:04 +1000 (EST) Received: by fxm5 with SMTP id 5so2716481fxm.38 for ; Fri, 08 Apr 2011 08:30:00 -0700 (PDT) MIME-Version: 1.0 Sender: timur.tabi@gmail.com In-Reply-To: <327152.93855.qm@web36406.mail.mud.yahoo.com> References: <327152.93855.qm@web36406.mail.mud.yahoo.com> From: Timur Tabi Date: Fri, 8 Apr 2011 10:29:20 -0500 Message-ID: Subject: Re: Using dmaengine on Freescale P2020 RDB To: Chuck Ketcham Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-dev@lists.ozlabs.org List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Wed, Apr 6, 2011 at 2:40 PM, Chuck Ketcham wrote: > Three of the channels were not used because they were already publicly al= located. =A0One channel was > not used because it didn't have DMA_MEMCPY capability. That's strange, because all four DMA channels are identical. > 2. If dmaengine is correct, what can I do to free up a channel for my own= use? There must be something else in your system using up the channels. --=20 Timur Tabi Linux kernel developer at Freescale