Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932715Ab0FRNd7 (ORCPT ); Fri, 18 Jun 2010 09:33:59 -0400 Received: from eu1sys200aog114.obsmtp.com ([207.126.144.137]:33752 "EHLO eu1sys200aog114.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932184Ab0FRNd5 (ORCPT ); Fri, 18 Jun 2010 09:33:57 -0400 Message-ID: <4C1B75B7.1080104@st.com> Date: Fri, 18 Jun 2010 19:03:43 +0530 From: Viresh KUMAR User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.1.10) Gecko/20100512 Lightning/1.0b1 Thunderbird/3.0.5 MIME-Version: 1.0 To: haavard.skinnemoen@atmel.com, Dan Williams Cc: "linux-kernel@vger.kernel.org" , "linux-arm-kernel@lists.infradead.org" , "'Shiraz HASHIM'" , Armando VISCONTI Subject: Query dw_dmac driver: All descriptors done, but channel not idle! Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 719 Lines: 19 Hello, We have Synopsys Designware DMAC Controller on ST SPEAr13xx platform. When i run dmatest for all 8 channels then i see following error some times. "dma dma0chan7: BUG: All descriptors done, but channel not idle!" I saw the code in driver, and i think it looks to be a known issue for this peripheral, that's why special handling is done in driver. Can somebody please confirm, if it a known issue or not? Or if there are some solutions for this problem. viresh. -- 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/