[PATCH 0/2] arm64: fix handling of DMA masks wider than bus supports

From	Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Newsgroups	linux.kernel
Subject	[PATCH 0/2] arm64: fix handling of DMA masks wider than bus supports
Date	2017-01-11 19:40 +0100
Message-ID	<sYvYt-1Uj-23@gated-at.bofh.it> (permalink)
References	<sYvYt-1Uj-21@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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> I reckon the easiest way forward would be to pass in some flag to
> arch_setup_dma_ops to indicate whether it's an explicitly-configured
> range or not - then simply initialising parent_dma_mask to ~0 for the
> default case *should* keep things working as before.

Tried to do that.

---

Nikita Yushchenko (2):
  dma-mapping: let arch know origin of dma range passed to arch_setup_dma_ops()
  arm64: avoid increasing DMA masks above what hardware supports

 arch/arm/include/asm/dma-mapping.h             |  1 +
 arch/arm/mm/dma-mapping.c                      |  3 +-
 arch/arm64/Kconfig                             |  3 ++
 arch/arm64/include/asm/device.h                |  1 +
 arch/arm64/include/asm/dma-mapping.h           |  6 +++-
 arch/arm64/mm/dma-mapping.c                    | 43 +++++++++++++++++++++++++-
 arch/mips/include/asm/dma-mapping.h            |  3 +-
 drivers/acpi/scan.c                            |  2 +-
 drivers/iommu/rockchip-iommu.c                 |  2 +-
 drivers/net/ethernet/freescale/dpaa/dpaa_eth.c |  2 +-
 drivers/of/device.c                            |  5 ++-
 drivers/staging/fsl-mc/bus/fsl-mc-bus.c        |  2 +-
 12 files changed, 64 insertions(+), 9 deletions(-)

-- 
2.1.4

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[PATCH 0/2] arm64: fix handling of DMA masks wider than bus supports Nikita Yushchenko <nikita.yoush@cogentembedded.com> - 2017-01-11 19:40 +0100
  [PATCH 1/2] dma-mapping: let arch know origin of dma range passed to arch_setup_dma_ops() Nikita Yushchenko <nikita.yoush@cogentembedded.com> - 2017-01-11 19:40 +0100
    Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed to arch_setup_dma_ops() Arnd Bergmann <arnd@arndb.de> - 2017-01-11 22:20 +0100
      Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed  to arch_setup_dma_ops() Nikita Yushchenko <nikita.yoush@cogentembedded.com> - 2017-01-12 07:10 +0100
        Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed  to arch_setup_dma_ops() Nikita Yushchenko <nikita.yoush@cogentembedded.com> - 2017-01-12 07:40 +0100
          Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed to arch_setup_dma_ops() Arnd Bergmann <arnd@arndb.de> - 2017-01-12 14:30 +0100
            Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed  to arch_setup_dma_ops() Nikita Yushchenko <nikita.yoush@cogentembedded.com> - 2017-01-12 14:50 +0100
        Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range  passed to arch_setup_dma_ops() Will Deacon <will.deacon@arm.com> - 2017-01-12 13:20 +0100
          Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed to arch_setup_dma_ops() Arnd Bergmann <arnd@arndb.de> - 2017-01-12 14:30 +0100
            Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range passed  to arch_setup_dma_ops() Robin Murphy <robin.murphy@arm.com> - 2017-01-12 14:50 +0100
    Re: [PATCH 1/2] dma-mapping: let arch know origin of dma range  passed to arch_setup_dma_ops() kbuild test robot <lkp@intel.com> - 2017-01-13 11:50 +0100

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