[PATCH V4 0/2] of: Add generic device tree DMA helpers

This is based upon the work by Benoit Cousson [1] and Nicolas Ferre [2] to add
some basic device-tree helpers to retrieve a DMA controller device_node and the
DMA request/channel information.

[1] http://article.gmane.org/gmane.linux.drivers.devicetree/12022
[2] http://article.gmane.org/gmane.linux.ports.arm.omap/73622

Cc: Nicolas Ferre <redacted>
Cc: Benoit Cousson <redacted>
Cc: Stephen Warren <redacted>
Cc: Grant Likely <redacted>
Cc: Russell King <redacted>
Cc: Rob Herring <redacted>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Vinod Koul <redacted>
Cc: Dan Williams <redacted>

Jon Hunter (2):
  of: Add generic device tree DMA helpers
  dmaengine: add helper function to request a slave DMA channel

 Documentation/devicetree/bindings/dma/dma.txt |   62 +++++++
 drivers/dma/dmaengine.c                       |   16 ++
 drivers/of/Makefile                           |    2 +-
 drivers/of/dma.c                              |  215 +++++++++++++++++++++++++
 include/linux/dmaengine.h                     |    6 +
 include/linux/of_dma.h                        |   45 ++++++
 6 files changed, 345 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/dma/dma.txt
 create mode 100644 drivers/of/dma.c
 create mode 100644 include/linux/of_dma.h

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1.7.9.5