[GIT PULL] slave dmaengine updates for 4.5-rc1

[Vinod Koul]

Hi Linus,

Please pull to receive following updates from dmaengine tree for 4.5-rc1.

The following changes since commit 8005c49d9aea74d382f474ce11afbbc7d7130bec:

  Linux 4.4-rc1 (2015-11-15 17:00:27 -0800)

are available in the git repository at:

  git://git.infradead.org/users/vkoul/slave-dma.git tags/dmaengine-4.5-rc1

for you to fetch changes up to 8b648436eb45c1f561164b24aafd35fb2bee9cfc:

  dmaengine: mv_xor: add suspend/resume support (2016-01-06 15:42:27 +0530)

----------------------------------------------------------------
dmaengine updates for 4.5-rc1

This round we have few new features, new driver and updates to few drivers.

The new features to dmaengine core are:
- Synchronized transfer termination API to terminate the dmaengine
    transfers in synchronized and async fashion as required by users.
    We have its user now in ALSA dmaengine lib, img, at_xdma, axi_dmac
    drivers.
- Universal API for channel request and start consolidation of request
    flows. It's user is ompa-dma driver.
- Introduce reuse of descriptors and use in pxa_dma driver

Add/Remove:
- STM32 DMA driver
- Removal of unused R-Car HPB-DMAC driver

Updates:
- ti-dma-crossbar updates for supporting eDMA
- tegra-apb pm updates
- idma64
- mv_xor updates
- ste_dma updates

----------------------------------------------------------------
Andy Shevchenko (6):
      dmaengine: idma64: drop IRQ enable / disable in handler
      dmaengine: idma64: set maximum allowed segment size for DMA
      dmaengine: idma64: convert idma64_hw_desc_fill() to return void
      dmaengine: idma64: use local variable to index descriptor
      dmaengine: acpi-dma: check for 64-bit MMIO address
      dmaengine: hsu: speed up residue calculation

Damien.Horsley (1):
      dmaengine: mdc: Correct terminate_all handling

Dave Jiang (1):
      dmaengine: IOATDMA: Cleanup pre v3.0 chansts register reads

Geert Uytterhoeven (1):
      dmaengine: sh: Remove unused R-Car HPB-DMAC driver

Jon Hunter (6):
      dmaengine: tegra-apb: Correct runtime-pm usage
      dmaengine: tegra-apb: Use dev_get_drvdata()
      dmaengine: tegra-apb: Save and restore word count
      dmaengine: tegra-apb: Only save channel state for those in use
      dmaengine: tegra-apb: Update driver to use GFP_NOWAIT
      dmaengine: tegra-apb: Free interrupts before killing tasklets

Julia Lawall (1):
      dmaengine: ioatdma: constify dca_ops structures

Lars-Peter Clausen (7):
      dmaengine: Add transfer termination synchronization support
      dmaengine: virt-dma: Add synchronization helper function
      dmaengine: axi_dmac: Add synchronization support
      ALSA: pcm_dmaengine: Properly synchronize DMA on shutdown
      dmaengine: Add might_sleep() to dmaengine_synchronize()
      dmaengine: at_xdmac: Remove unnecessary synchronize_irq() before free_irq()
      dmaengine: img-mdc: Remove unnecessary synchronize_irq() before devm_free_irq()

Ludovic Desroches (1):
      dmaengine: at_xdmac: fix spurious flag status for mem2mem transfers

M'boumba Cedric Madianga (4):
      dt-bindings: Document the STM32 DMA bindings
      dmaengine: Add STM32 DMA driver
      ARM: configs: Add STM32 DMA support in STM32 defconfig
      dmaengine: stm32-dma: Fix unchecked deference of chan->desc

Mans Rullgard (1):
      dmaengine: dw: fix potential memory leak in dw_dma_parse_dt()

Markus Elfring (3):
      ste_dma40: Delete an unnecessary check before the function call "kmem_cache_destroy"
      ste_dma40: Delete another unnecessary check in d40_probe()
      ste_dma40: Delete an unnecessary variable initialisation in d40_probe()

Peter Ujfalusi (13):
      dmaengine: ti-dma-crossbar: dra7: Support for eDMA with new bindings
      dmaengine: ti-dma-crossbar: dra7: Use bitops instead of idr
      dmaengine: ti-dma-crossbar: dra7: Support for reserving DMA event ranges
      dmaengine: omap-dma: Correct status reporting for memcpy
      dmaengine: omap-dma: Clean up the prep_slave_sg sg list walk code
      dmaengine: omap-dma: Remove tasklet to start the transfers
      dmaengine: omap-dma: Handle cases when the channel is polled for completion
      dmaengine: edma: Add probe callback to edma_tptc_driver
      dmaengine: core: Skip mask matching when it is not provided to private_candidate
      dmaengine: core: Move and merge the code paths using private_candidate
      dmaengine: core: Introduce new, universal API to request a channel
      dmaengine: edma: Add support for DMA filter mapping to slave devices
      dmaengine: omap-dma: Add support for DMA filter mapping to slave devices

Robert Jarzmik (3):
      dmaengine: virt-dma: don't always free descriptor upon completion
      dmaengine: enable DMA_CTRL_REUSE
      dmaengine: pxa_dma: declare transfer are reusable

Simon Horman (1):
      dmaengine: usb-dmac: Document SoC specific compatibility strings

Thomas Petazzoni (3):
      dmaengine: mv_xor: remove mv_xor_chan->current_type field
      dmaengine: mv_xor: de-duplicate mv_chan_set_mode*()
      dmaengine: mv_xor: add suspend/resume support

Vinod Koul (11):
      Merge branch 'topic/desc_reuse' into for-linus
      Merge branch 'topic/univ_api' into for-linus
      Merge branch 'topic/async' into for-linus
      Merge branch 'topic/idma' into for-linus
      Merge branch 'topic/ioatdma' into for-linus
      Merge branch 'topic/omap' into for-linus
      Merge branch 'topic/rcar' into for-linus
      Merge branch 'topic/ste' into for-linus
      Merge branch 'topic/stm32' into for-linus
      Merge branch 'topic/tegra' into for-linus
      Merge branch 'topic/ti-xbar' into for-linus

Yoshihiro Shimoda (1):
      dmaengine: usb-dmac: fix endless loop in usb_dmac_chan_terminate_all()

Yuan Yao (1):
      dmaengine: fsl-edma: add PM suspend/resume support

 .../devicetree/bindings/dma/renesas,usb-dmac.txt   |   10 +-
 .../devicetree/bindings/dma/stm32-dma.txt          |   82 ++
 .../devicetree/bindings/dma/ti-dma-crossbar.txt    |    6 +
 Documentation/dmaengine/client.txt                 |   59 +-
 Documentation/dmaengine/provider.txt               |   20 +-
 arch/arm/configs/stm32_defconfig                   |    2 +
 drivers/dca/dca-core.c                             |    3 +-
 drivers/dma/Kconfig                                |   12 +
 drivers/dma/Makefile                               |    1 +
 drivers/dma/acpi-dma.c                             |    5 +-
 drivers/dma/at_xdmac.c                             |   20 +-
 drivers/dma/dma-axi-dmac.c                         |    8 +
 drivers/dma/dmaengine.c                            |  178 ++-
 drivers/dma/dw/platform.c                          |    7 +-
 drivers/dma/edma.c                                 |   10 +
 drivers/dma/fsl-edma.c                             |   85 +-
 drivers/dma/hsu/hsu.c                              |   17 +-
 drivers/dma/hsu/hsu.h                              |    1 +
 drivers/dma/idma64.c                               |   22 +-
 drivers/dma/idma64.h                               |    3 +-
 drivers/dma/img-mdc-dma.c                          |   78 +-
 drivers/dma/ioat/dca.c                             |    2 +-
 drivers/dma/ioat/dma.h                             |   34 +-
 drivers/dma/ioat/registers.h                       |   16 +-
 drivers/dma/mv_xor.c                               |   95 +-
 drivers/dma/mv_xor.h                               |    2 +-
 drivers/dma/omap-dma.c                             |   82 +-
 drivers/dma/pxa_dma.c                              |    1 +
 drivers/dma/sh/Kconfig                             |    6 -
 drivers/dma/sh/Makefile                            |    1 -
 drivers/dma/sh/rcar-hpbdma.c                       |  669 ------------
 drivers/dma/sh/usb-dmac.c                          |    4 +-
 drivers/dma/ste_dma40.c                            |   87 +-
 drivers/dma/stm32-dma.c                            | 1141 ++++++++++++++++++++
 drivers/dma/tegra20-apb-dma.c                      |   73 +-
 drivers/dma/ti-dma-crossbar.c                      |   81 +-
 drivers/dma/virt-dma.c                             |   46 +-
 drivers/dma/virt-dma.h                             |   25 +
 include/linux/dca.h                                |    5 +-
 include/linux/dmaengine.h                          |  145 ++-
 include/linux/omap-dma.h                           |    6 +
 include/linux/platform_data/dma-rcar-hpbdma.h      |  103 --
 include/linux/platform_data/edma.h                 |    7 +
 sound/core/pcm_dmaengine.c                         |    9 +-
 44 files changed, 2088 insertions(+), 1181 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/dma/stm32-dma.txt
 delete mode 100644 drivers/dma/sh/rcar-hpbdma.c
 create mode 100644 drivers/dma/stm32-dma.c
 delete mode 100644 include/linux/platform_data/dma-rcar-hpbdma.h

Thanks
-- 
~Vinod

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