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Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in enable_dma()

From Alexandre Courbot <gnurou@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in enable_dma()
Date 2016-03-14 04:20 +0100
Message-ID <rcrcZ-6vd-7@gated-at.bofh.it> (permalink)
References <r9SMq-4VR-11@gated-at.bofh.it> <r9SMr-4VR-27@gated-at.bofh.it> <rapS2-1q3-15@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Tue, Mar 8, 2016 at 10:18 PM, Adrian Hunter <adrian.hunter@intel.com> wrote:
> On 07/03/16 04:07, Alexandre Courbot wrote:
>> DMA mask will already be set by sdhci_set_dma_mask(), which
>> is equivalent to the removed code since pci_set_dma_mask()
>> expands to its DMA-API counterpart.
>>
>> There should also be no reason to set the DMA mask after probe.
>
> Let's run that by the PCI mailing list just to be sure.  The patches for
> reference:
>
>         http://marc.info/?l=linux-mmc&m=145731654328126&w=2
>         http://marc.info/?l=linux-mmc&m=145731654328128&w=2
>
> change the sdhci-pci driver to set the DMA mask once during probe instead of
> every time during resume.  Is there any reason a PCI device driver might
> need to set the DMA mask every time during resume?

Not seeing much reaction for this patchset. PCI being the only
possible point of contention, can we maybe roll it into -next and see
what happens?

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Thread

[PATCH v4 0/3] mmc: sdhci: Set DMA mask properly Alexandre Courbot <acourbot@nvidia.com> - 2016-03-07 03:10 +0100
  [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in enable_dma() Alexandre Courbot <acourbot@nvidia.com> - 2016-03-07 03:10 +0100
    Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in  enable_dma() Adrian Hunter <adrian.hunter@intel.com> - 2016-03-08 14:30 +0100
      Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in enable_dma() Alexandre Courbot <gnurou@gmail.com> - 2016-03-14 04:20 +0100
        Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in  enable_dma() Adrian Hunter <adrian.hunter@intel.com> - 2016-03-14 14:10 +0100
          Re: [PATCH v4 3/3] mmc: sdhci-pci: Do not set DMA mask in  enable_dma() Bjorn Helgaas <helgaas@kernel.org> - 2016-03-14 17:00 +0100
  Re: [PATCH v4 0/3] mmc: sdhci: Set DMA mask properly Adrian Hunter <adrian.hunter@intel.com> - 2016-03-16 14:00 +0100
  Re: [PATCH v4 0/3] mmc: sdhci: Set DMA mask properly Ulf Hansson <ulf.hansson@linaro.org> - 2016-03-16 14:10 +0100

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