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From: Christoph Hellwig <hch@lst.de>
To: Florian Fainelli <f.fainelli@gmail.com>
Cc: Jim Quinlan <jim2101024@gmail.com>,
	linux-pci@vger.kernel.org, linux-mips@vger.kernel.org,
	Nicolas Saenz Julienne <nsaenz@kernel.org>,
	Bjorn Helgaas <bhelgaas@google.com>,
	Kevin Cernekee <cernekee@gmail.com>,
	bcm-kernel-feedback-list@broadcom.com,
	james.quinlan@broadcom.com, Christoph Hellwig <hch@lst.de>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v1 3/4] MIPS: bmips: Remove obsolete DMA mapping support
Date: Mon, 13 Dec 2021 09:28:02 +0100	[thread overview]
Message-ID: <20211213082802.GE21462@lst.de> (raw)
In-Reply-To: <92db2bfe-4bf2-60c0-3483-01fa59723517@gmail.com>

On Thu, Dec 09, 2021 at 01:31:39PM -0800, Florian Fainelli wrote:
> On 12/9/21 12:47 PM, Jim Quinlan wrote:
> > The code in 'arch/mips/bmips/dma.c' performed DMA mapping for inbound
> > regions.  This mapping was and is required for the Broadcom STB PCIe
> > controller HW.  This code is removed as the current 'struct device' has a
> > @dma_range_map field which performs the same functionality by processing
> > the "dma-ranges" DT property.
> > 
> > Subsequently, ARCH_HAS_PHYS_TO_DMA is now unset since the dma_to_phys()
> > and phys_to_dma() functions are removed.
> > 
> > Signed-off-by: Jim Quinlan <jim2101024@gmail.com>
> 
> CC Christoph so he can do the happy dance, thanks!

No actual patch content in this mail so I can't comment about the
substance, but removing another ARCH_HAS_PHYS_TO_DMA instance is always
awesome.

  reply	other threads:[~2021-12-13  8:28 UTC|newest]

Thread overview: 28+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-12-09 20:47 [PATCH v1 0/4] PCI: brcmstb: Augment driver for MIPs SOCs Jim Quinlan
2021-12-09 20:47 ` Jim Quinlan
2021-12-09 20:47 ` [PATCH v1 1/4] dt-bindings: PCI: Add compatible string for Brcmstb 74[23]5 " Jim Quinlan
2021-12-09 20:47   ` Jim Quinlan
2021-12-09 21:29   ` Florian Fainelli
2021-12-09 21:29     ` Florian Fainelli
2021-12-15 19:50   ` Rob Herring
2021-12-15 19:50     ` Rob Herring
2021-12-09 20:47 ` [PATCH v1 2/4] MIPS: bmips: Add support PCIe controller device nodes Jim Quinlan
2021-12-09 21:30   ` Florian Fainelli
2021-12-09 20:47 ` [PATCH v1 3/4] MIPS: bmips: Remove obsolete DMA mapping support Jim Quinlan
2021-12-09 21:31   ` Florian Fainelli
2021-12-13  8:28     ` Christoph Hellwig [this message]
2022-02-08 10:34   ` nicolas saenz julienne
2021-12-09 20:47 ` [PATCH v1 4/4] PCI: brcmstb: Augment driver for MIPs SOCs Jim Quinlan
2021-12-09 20:47   ` Jim Quinlan
2021-12-09 21:32   ` Florian Fainelli
2021-12-09 21:32     ` Florian Fainelli
2022-07-06 21:42   ` Bjorn Helgaas
2022-07-06 21:42     ` Bjorn Helgaas
2022-07-08 13:37     ` Jim Quinlan
2022-07-08 13:37       ` Jim Quinlan
2022-01-05 10:42 ` [PATCH v1 0/4] " Thomas Bogendoerfer
2022-01-05 10:42   ` Thomas Bogendoerfer
2022-01-07 22:36   ` Jim Quinlan
2022-01-07 22:36     ` Jim Quinlan
2022-01-11 15:18 ` Thomas Bogendoerfer
2022-01-11 15:18   ` Thomas Bogendoerfer

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