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From: Christoph Hellwig <hch@lst.de>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Christoph Hellwig <hch@lst.de>, Rob Herring <robh+dt@kernel.org>,
	Jim Quinlan <jim2101024@gmail.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Brian Norris <computersforpeace@gmail.com>,
	Russell King <rmk+kernel@armlinux.org.uk>,
	Robin Murphy <robin.murphy@arm.com>,
	Jonas Gorski <jonas.gorski@gmail.com>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
	<devicetree@vger.kernel.org>,
	Linux-MIPS <linux-mips@linux-mips.org>,
	linux-pci@vger.kernel.org, Kevin Cernekee <cernekee@gmail.com>,
	Ralf Baechle <ralf@linux-mips.org>,
	bcm-kernel-feedback-list@broadcom.com,
	Gregory Fong <gregory.0xf0@gmail.com>,
	"moderated list:ARM/FREESCALE IMX / MXC ARM ARCHITECTURE"
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound traffic
Date: Thu, 18 Jan 2018 16:23:31 +0100	[thread overview]
Message-ID: <20180118152331.GA24461@lst.de> (raw)
In-Reply-To: <EDAEFB0F-BB7C-444A-B282-F178F5ADFCBF@gmail.com>

On Thu, Jan 18, 2018 at 07:09:23AM -0800, Florian Fainelli wrote:
> >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?

Override phys_to_dma and dma_to_phys as mips and x86 do for similar
situations.

Bonous points of finding some generic way of doing it instead of
hiding it in arch code.

  reply	other threads:[~2018-01-18 15:23 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-01-15 23:28 [PATCH v4 0/8] PCI: brcmstb: Add Broadcom Settopbox PCIe support Jim Quinlan
2018-01-15 23:28 ` [PATCH v4 1/8] SOC: brcmstb: add memory API Jim Quinlan
2018-03-09 15:07   ` James Hogan
2018-01-15 23:28 ` [PATCH v4 2/8] dt-bindings: pci: Add DT docs for Brcmstb PCIe device Jim Quinlan
2018-01-19 19:20   ` Rob Herring
2018-01-15 23:28 ` [PATCH v4 3/8] PCI: brcmstb: Add Broadcom STB PCIe host controller driver Jim Quinlan
2018-01-15 23:28 ` [PATCH v4 4/8] PCI: brcmstb: Add dma-range mapping for inbound traffic Jim Quinlan
2018-01-18  2:15   ` Rob Herring
2018-01-18  7:31     ` Christoph Hellwig
2018-01-18 15:09       ` Florian Fainelli
2018-01-18 15:23         ` Christoph Hellwig [this message]
2018-01-19 19:47           ` Florian Fainelli
2018-01-23 13:20             ` Christoph Hellwig
2018-01-24 20:04               ` Florian Fainelli
2018-01-26  7:53                 ` Christoph Hellwig
2018-01-26 17:46                   ` Jim Quinlan
2018-02-12 13:39                     ` Jim Quinlan
2018-01-15 23:28 ` [PATCH v4 5/8] PCI/MSI: Enable PCI_MSI_IRQ_DOMAIN support for MIPS Jim Quinlan
2018-01-15 23:28 ` [PATCH v4 6/8] PCI: brcmstb: Add MSI capability Jim Quinlan
2018-01-15 23:28 ` [PATCH v4 7/8] MIPS: BMIPS: Add PCI bindings for 7425, 7435 Jim Quinlan
2018-03-09 14:44   ` James Hogan
2018-01-15 23:28 ` [PATCH v4 8/8] MIPS: BMIPS: Enable PCI Jim Quinlan

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