[PATCH RFC v13 0/5] MPC512x DMA slave s/g support, OF DMA lookup

2013/7/14 Gerhard Sittig [off-list ref]:

this series
- introduces slave s/g support (that's support for DMA transfers which
   involve peripherals in contrast to mem-to-mem transfers)
- adds device tree based lookup support for DMA channels
- combines floating patches and related feedback which already covered
   several aspects of what the suggested LPB driver needs, to demonstrate
   how integration might be done

...

Changes in v12:
 A new patch (part 2/7) is added to this series.
 Part 6/7:
 - change the description of 'compatible' property according part 2/7;
 - improve the document according Gerhard's feedback;

Parts 1/7, 2/7 and 4/7 have been applied by Vinod Koul and
are excluded from v13.

Changes in v13:
 A new patch (part 1/5) is added to this series.
 Part 2/5:
 - fix style issue;
 - improve comments;

known issues:
- it's yet to get confirmed whether MPC8308 can use slave support or
   whether the DMA controller's driver shall actively reject it, the
   information that's available so far suggests that peripheral transfers
   to IP bus attached I/O is useful and shall not get blocked right away

Alexander Popov (5):
  dmaengine: fix comment typo
  dma: mpc512x: add support for peripheral transfers
  dma: of: add common xlate function for matching by channel id
  dma: mpc512x: add device tree binding document
  dma: mpc512x: register for device tree channel lookup

 .../devicetree/bindings/dma/mpc512x-dma.txt        |  40 ++++
 arch/powerpc/boot/dts/mpc5121.dtsi                 |   1 +
 drivers/dma/mpc512x_dma.c                          | 257 ++++++++++++++++++++-
 drivers/dma/of-dma.c                               |  35 +++
 include/linux/dmaengine.h                          |   2 +-
 include/linux/of_dma.h                             |   4 +
 6 files changed, 332 insertions(+), 7 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/dma/mpc512x-dma.txt

-- 
1.8.4.2

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