Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753006AbbBTG11 (ORCPT ); Fri, 20 Feb 2015 01:27:27 -0500 Received: from mga14.intel.com ([192.55.52.115]:11354 "EHLO mga14.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751671AbbBTG1Z (ORCPT ); Fri, 20 Feb 2015 01:27:25 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.09,612,1418112000"; d="scan'208";a="668983521" Date: Fri, 20 Feb 2015 11:54:24 +0530 From: Vinod Koul To: Viresh Kumar Cc: Jean Delvare , Maxime Ripard , Brian Loften , dmaengine@vger.kernel.org, Linux Kernel Mailing List , "linux-arm-kernel@lists.infradead.org" , Laurent Pinchart , Antoine =?iso-8859-1?Q?T=E9nart?= , Russell King , Lars-Peter Clausen , Andy Shevchenko Subject: Re: [PATCH v5 59/61] dmaengine: Add a warning for drivers not using the generic slave caps retrieval Message-ID: <20150220062424.GW21387@intel.com> References: <1416231775-31252-1-git-send-email-maxime.ripard@free-electrons.com> <1416231775-31252-60-git-send-email-maxime.ripard@free-electrons.com> <20150219090917.159d3d2f@endymion.delvare> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1370 Lines: 33 On Thu, Feb 19, 2015 at 02:23:27PM +0530, Viresh Kumar wrote: > On 19 February 2015 at 13:39, Jean Delvare wrote: > > My understanding is that the warning message is here on purpose to > > instruct DMA driver authors to fix their code. So if anyone need to fix > > anything, that would be you and Andy. That being said, I suspect Andy > > To some extent yes, but Andy has already tried to fix that for most of > the drivers and so I just pointed out that something is missed. > > > already did that: > > > > commit 029a40e97d0db269f4a7fc02b0f29f627f628309 > > Author: Andy Shevchenko > > Date: Fri Jan 2 16:17:24 2015 +0200 > > > > dmaengine: dw: provide DMA capabilities > > > > Brian, can you please try the latest Linus or linux-next kernel (or > > backport the above commit to your current kernel) and confirm that the > > backtraces are no longer printed? > > Maybe yes. This warning was intentionally added to help move driver use the right method. And I have applied patch from Andy for this, so this should be no longer seen on Linus's tree -- ~Vinod -- 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/