From mboxrd@z Thu Jan 1 00:00:00 1970 From: Florian Fainelli Subject: Re: [PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound traffic Date: Thu, 18 Jan 2018 07:09:23 -0800 Message-ID: References: <1516058925-46522-1-git-send-email-jim2101024@gmail.com> <1516058925-46522-5-git-send-email-jim2101024@gmail.com> <20180118073123.GA15766@lst.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180118073123.GA15766@lst.de> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Christoph Hellwig , Rob Herring Cc: Mark Rutland , "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" , Lorenzo Pieralisi , Linux-MIPS , linux-pci@vger.kernel.org, Catalin Marinas , Kevin Cernekee , Will Deacon , "linux-kernel@vger.kernel.org" , Ralf Baechle , Russell King , Jim Quinlan , bcm-kernel-feedback-list@broadcom.com, Gregory Fong , Jonas Gorski , Bjorn Helgaas , Brian Norris , Robin Murphy , "moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE" List-Id: devicetree@vger.kernel.org On January 17, 2018 11:31:23 PM PST, Christoph Hellwig wrote: >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. Care to explain what should be done instead? -- Florian