[PATCH v3 0/4] Clean up DMA API docs and dma_addr_t usage

[Bjorn Helgaas]

Maybe the third time's a charm :)

This cleans up some DMA-API documentation and makes a minor no-op change to
the dma_declare_coherent_memory() prototype.

Changes from v2:
  - Added description of CPU virtual/physical and bus addresses in
    DMA-API-HOWTO
  - Added comments to sh/PCI (Dreamcast) update
  - Dropped IOMMU interface dma_addr_t changes

I didn't add Arnd's and Greg's acks to patch 1 because of all the new
address description text I added.

---

Bjorn Helgaas (4):
      DMA-API: Clarify physical/bus address distinction
      DMA-API: Change dma_declare_coherent_memory() CPU address to phys_addr_t
      sh/PCI: Pass GAPSPCI_DMA_BASE CPU & bus address to dma_declare_coherent_memory()
      iommu/exynos: Remove unnecessary "&" from function pointers


 Documentation/DMA-API-HOWTO.txt        |  192 +++++++++++++++++++++-----------
 Documentation/DMA-API.txt              |  148 +++++++++++++------------
 Documentation/DMA-ISA-LPC.txt          |    4 -
 arch/sh/drivers/pci/fixups-dreamcast.c |   18 +++
 drivers/base/dma-coherent.c            |   10 +-
 drivers/base/dma-mapping.c             |    6 +
 drivers/iommu/exynos-iommu.c           |   14 +-
 include/asm-generic/dma-coherent.h     |   13 +-
 include/linux/dma-mapping.h            |   13 ++
 include/linux/types.h                  |    1 
 10 files changed, 247 insertions(+), 172 deletions(-)

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