Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751895AbbLUTrd (ORCPT ); Mon, 21 Dec 2015 14:47:33 -0500 Received: from smtp687.redcondor.net ([208.80.206.87]:34962 "EHLO smtp687.redcondor.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751264AbbLUTr2 (ORCPT ); Mon, 21 Dec 2015 14:47:28 -0500 X-RC-FROM: Subject: Re: [PATCH 1/3] ata: sata_dwc_460ex: use "dmas" DT property to find dma channel To: =?UTF-8?B?TcOlbnMgUnVsbGfDpXJk?= References: <1450221935-6034-1-git-send-email-mans@mansr.com> <56758F33.20804@candw.ms> <5675A84F.2070208@candw.ms> <5675BB2F.6060107@candw.ms> <5675C452.2080206@candw.ms> <5676E906.1060603@candw.ms> <1450716497.30729.232.camel@linux.intel.com> <56783636.80901@candw.ms> <567843B8.1000801@candw.ms> <567850D0.90803@candw.ms> Cc: Andy Shevchenko , Andy Shevchenko , Tejun Heo , linux-ide@vger.kernel.org, "linux-kernel@vger.kernel.org" From: Julian Margetson Message-ID: <5678573C.6050001@candw.ms> Date: Mon, 21 Dec 2015 15:47:08 -0400 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:38.0) Gecko/20100101 Thunderbird/38.4.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit X-DLP-ENABLED: 137.118.22.64/27 X-MAG-OUTBOUND: greymail.redcondor.net@137.118.22.64/27 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2234 Lines: 50 On 12/21/2015 3:27 PM, M?ns Rullg?rd wrote: > Julian Margetson writes: > >> On 12/21/2015 2:27 PM, M?ns Rullg?rd wrote: >>> Julian Margetson writes: >>> >>>> On 12/21/2015 1:55 PM, Andy Shevchenko wrote: >>>>> On Mon, Dec 21, 2015 at 7:26 PM, Julian Margetson wrote: >>>>>> On 12/21/2015 12:48 PM, Andy Shevchenko wrote: >>>>>>> On Sun, 2015-12-20 at 22:55 +0200, Andy Shevchenko wrote: >>>>>>>> On Sun, Dec 20, 2015 at 10:17 PM, Andy Shevchenko >>>>>>>> wrote: >>>>>>>>> On Sun, Dec 20, 2015 at 8:49 PM, M?ns Rullg?rd >>>>>>>>> wrote: >>>>>>>>> I noticed thanks to DWC_PARAMS that burst size is hardcoded to 32 >>>>>>>>> items on this board, however registers for SATA program it to 64. I >>>>>>>>> remember that I got no interrupt when I programmed transfer width >>>>>>>>> wrongly (64 bits against 32 bits) when I ported dw_dmac to be used >>>>>>>>> on >>>>>>>>> Intel SoCs. >>>>>>>> One more thing, I have a patch to monitor DMA IO, we may check what >>>>>>>> exactly the values are written / read in DMA. I can share it >>>>>>>> tomorrow. >>>>>>> As promised the patch I have to debug IO of DW DMA. Didn't check though >>>>>>> if it applies cleanly on top of recent vanilla kernel. >>>>> So, the original driver (with patch from M?ns) works, right? >>>>> >>>> The hard drive is recognized . >>>> These system gets unresponsive with USB devices like the mouse and >>>> keyboard not responding when I start Gparted. >>> Did you disable the SATA and DMA debug messages? >>> >> It is working. > That's good news. Thanks a lot for helping to test this. > No problem. If you can influence anyone of the radeon guys to have a look at the ring test failure on the Sam460ex again, I will be happy to help test in that area as well . http://lists.freedesktop.org/archives/dri-devel/2013-September/045050.html https://lists.ozlabs.org/pipermail/linuxppc-dev/2015-February/125060.html -- 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/