From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org>
Return-Path: <linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org>
Date: Thu, 18 Jan 2018 08:31:23 +0100
From: Christoph Hellwig <hch@lst.de>
To: Rob Herring <robh+dt@kernel.org>
Subject: Re: [PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound
 traffic
Message-ID: <20180118073123.GA15766@lst.de>
References: <1516058925-46522-1-git-send-email-jim2101024@gmail.com>
 <1516058925-46522-5-git-send-email-jim2101024@gmail.com>
 <CAL_JsqKpWNJXNpKS5qC99N0+H_P37DcRE-rN9HFwT5tVmRFCNw@mail.gmail.com>
MIME-Version: 1.0
In-Reply-To: <CAL_JsqKpWNJXNpKS5qC99N0+H_P37DcRE-rN9HFwT5tVmRFCNw@mail.gmail.com>
List-Unsubscribe: <http://lists.infradead.org/mailman/options/linux-arm-kernel>,
 <mailto:linux-arm-kernel-request@lists.infradead.org?subject=unsubscribe>
List-Archive: <http://lists.infradead.org/pipermail/linux-arm-kernel/>
List-Post: <mailto:linux-arm-kernel@lists.infradead.org>
List-Help: <mailto:linux-arm-kernel-request@lists.infradead.org?subject=help>
List-Subscribe: <http://lists.infradead.org/mailman/listinfo/linux-arm-kernel>,
 <mailto:linux-arm-kernel-request@lists.infradead.org?subject=subscribe>
Cc: Mark Rutland <mark.rutland@arm.com>,
 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
 <devicetree@vger.kernel.org>, Florian Fainelli <f.fainelli@gmail.com>,
 Linux-MIPS <linux-mips@linux-mips.org>, linux-pci@vger.kernel.org,
 Catalin Marinas <catalin.marinas@arm.com>, Kevin Cernekee <cernekee@gmail.com>,
 Will Deacon <will.deacon@arm.com>,
 "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
 Ralf Baechle <ralf@linux-mips.org>, Russell King <rmk+kernel@armlinux.org.uk>,
 Jim Quinlan <jim2101024@gmail.com>, bcm-kernel-feedback-list@broadcom.com,
 Gregory Fong <gregory.0xf0@gmail.com>, Jonas Gorski <jonas.gorski@gmail.com>,
 Bjorn Helgaas <bhelgaas@google.com>,
 Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
 Brian Norris <computersforpeace@gmail.com>,
 Robin Murphy <robin.murphy@arm.com>, Christoph Hellwig <hch@lst.de>,
 "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
 <linux-arm-kernel@lists.infradead.org>
Content-Type: text/plain; charset="us-ascii"
Sender: "linux-arm-kernel" <linux-arm-kernel-bounces@lists.infradead.org>
Errors-To: linux-arm-kernel-bounces+bjorn=helgaas.com@lists.infradead.org
List-ID: <linux-pci.vger.kernel.org>

On Wed, Jan 17, 2018 at 08:15:33PM -0600, Rob Herring wrote:
> > (a) overriding/redefining the dma_to_phys() and phys_to_dma() calls
> > that are used by the dma_ops routines.  This is the approach of
> >
> >         arch/mips/cavium-octeon/dma-octeon.c
> 
> MIPS is rarely an example to follow. :)

But in this case it actually is the example to follow as told previously.

NAK again for these chained dma ops that only create problems.

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel