[GIT PULL]: dmaengine updates for v5.7-rc1

From: Vinod Koul
Date: Thu Apr 02 2020 - 07:25:15 EST

Hello Linus,

Here are the changes for this cycle. SFR has told me that you might see
a merge conflict, but I am sure you would be okay with it :)

The following changes since commit bb6d3fb354c5ee8d6bde2d576eb7220ea09862b9:

Linux 5.6-rc1 (2020-02-09 16:08:48 -0800)

are available in the Git repository at:

git://git.infradead.org/users/vkoul/slave-dma.git tags/dmaengine-5.7-rc1

for you to fetch changes up to cea582b5ee5645839650b6667335cfb40ec71c19:

dt-bindings: dma: renesas,usb-dmac: add r8a77961 support (2020-03-26 12:23:31 +0530)

----------------------------------------------------------------
dmaengine updates for v5.7-rc1

- Core:
- Some code cleanup and optimization in core by Andy
- Debugfs support for displaying dmaengine channels by Peter

- Drivers:
- New driver for uniphier-xdmac controller
- Updates to stm32 dma, mdma and dmamux drivers and PM support
- More updates to idxd drivers
- Bunch of changes in tegra-apb driver and cleaning up of pm functions
- Bunch of spelling fixes and Replace zero-length array patches
- Shutdown hook for fsl-dpaa2-qdma driver
- Support for interleaved transfers for ti-edma and virtualization
support for k3-dma driver
- Support for reset and updates in xilinx_dma driver
- Improvements and locking updates in at_hdma driver

----------------------------------------------------------------
Amelie Delaunay (6):
dmaengine: stm32-mdma: driver defers probe for clock and reset
dmaengine: stm32-mdma: use vchan_terminate_vdesc() in .terminate_all
dmaengine: stm32-dma: use dma_set_max_seg_size to set the sg limit
dmaengine: stm32-dma: add copy_align constraint
dmaengine: stm32-dma: fix sleeping function called from invalid context
dmaengine: stm32-dma: use vchan_terminate_vdesc() in .terminate_all

Andy Shevchenko (4):
dmaengine: Refactor dmaengine_check_align() to be bit operations only
dmaengine: Use negative condition for better readability
dmaengine: Drop redundant 'else' keyword
dmaengine: consistently return string literal from switch-case

Colin Ian King (2):
dmaengine: ti: edma: fix null dereference because of a typo in pointer name
dmaengine: fix spelling mistake "exceds" -> "exceeds"

Dave Jiang (4):
dmaengine: idxd: check return result from check_vma() in cdev
dmaengine: idxd: expose general capabilities register in sysfs
dmaengine: idxd: reflect shadow copy of traffic class programming
dmaengine: idxd: remove global token limit check

Dmitry Osipenko (19):
dmaengine: tegra-apb: Implement synchronization hook
dmaengine: tegra-apb: Prevent race conditions on channel's freeing
dmaengine: tegra-apb: Clean up tasklet releasing
dmaengine: tegra-apb: Use devm_platform_ioremap_resource
dmaengine: tegra-apb: Use devm_request_irq
dmaengine: tegra-apb: Fix coding style problems
dmaengine: tegra-apb: Remove unneeded initialization of tdc->config_init
dmaengine: tegra-apb: Remove assumptions about unavailable runtime PM
dmaengine: tegra-apb: Remove duplicated pending_sg_req checks
dmaengine: tegra-apb: Keep clock enabled only during of DMA transfer
dmaengine: tegra-apb: Clean up suspend-resume
dmaengine: tegra-apb: Add missing of_dma_controller_free
dmaengine: tegra-apb: Allow to compile as a loadable kernel module
dmaengine: tegra-apb: Remove MODULE_ALIAS
dmaengine: tegra-apb: Support COMPILE_TEST
dmaengine: tegra-apb: Remove unused function argument
dmaengine: tegra-apb: Improve error message about DMA underflow
dmaengine: tegra-apb: Don't save/restore IRQ flags in interrupt handler
dmaengine: tegra-apb: Improve DMA synchronization

Etienne Carriere (7):
dmaengine: stm32-mdma: use reset controller only at probe time
dmaengine: stm32-mdma: disable clock in case of error during probe
dmaengine: stm32-dmamux: fix clock handling in probe sequence
dmaengine: stm32-dmamux: use reset controller only at probe time
dmaengine: stm32-dmamux: driver defers probe for clock and reset
dmaengine: stm32-dma: use reset controller only at probe time
dmaengine: stm32-dma: driver defers probe for reset

Gustavo A. R. Silva (7):
dmaengine: bcm-sba-raid: Replace zero-length array with flexible-array member
dmaengine: uniphier-mdmac: replace zero-length array with flexible-array member
dmaengine: ti: omap-dma: Replace zero-length array with flexible-array member
dmaengine: sa11x0: Replace zero-length array with flexible-array member
dmaengine: sprd: Replace zero-length array with flexible-array member
dmaengine: tegra210-adma: Replace zero-length array with flexible-array member
dmanegine: ioat/dca: Replace zero-length array with flexible-array member

Johan Hovold (1):
dt-bindings: dma: ti-edma: fix example compatible property

Kunihiko Hayashi (2):
dt-bindings: dmaengine: Add UniPhier external DMA controller bindings
dmaengine: uniphier-xdmac: Add UniPhier external DMA controller driver

Peng Ma (1):
dmaengine: fsl-dpaa2-qdma: Adding shutdown hook

Peter Ujfalusi (6):
dmaengine: ti: edma: Support for interleaved mem to mem transfer
dt-bindings: dma: ti: k3-udma: Update for atype support (virtualization)
dmaengine: ti: k3-udma: Implement support for atype (for virtualization)
dmaengine: Add basic debugfs support
dmaengine: ti: k3-udma: Implement custom dbg_summary_show for debugfs
dmaengine: Create debug directories for DMA devices

Pierre-Yves MORDRET (5):
dmaengine: stm32-mdma: add suspend/resume power management support
dmaengine: stm32-mdma: enable descriptor_reuse
dmaengine: stm32-dmamux: add suspend/resume power management support
dmaengine: stm32-dma: add suspend/resume power management support
dmaengine: stm32-dma: enable descriptor_reuse

Radhey Shyam Pandey (3):
dmaengine: xilinx_dma: Reset DMA channel in dma_terminate_all
dmaengine: xilinx_dma: Extend dma_config structure to store max channel count
dmaengine: xilinx_dma: In dma channel probe fix node order dependency

Takashi Iwai (1):
dmaengine: ppc4xx: Use scnprintf() for avoiding potential buffer overflow

Tony Luck (1):
dmaengine: idxd: Merge definition of dsa_batch_desc into dsa_hw_desc

Tudor Ambarus (10):
dmaengine: at_hdmac: Substitute kzalloc with kmalloc
dmaengine: at_hdmac: Drop locking in at_hdmac_alloc_chan_resources()
dmaengine: at_hdmac: Return err in case the chan is not free at alloc res time
dmaengine: at_hdmac: Drop description for a not defined parameter
dmaengine: at_hdmac: Switch atomic allocations to GFP_NOWAIT
dmaengine: at_hdmac: Fix deadlocks
dmaengine: at_xdmac: Drop always true check
dmaengine: at_xdmac: Drop locking in at_xdmac_alloc_chan_resources()
dmaengine: at_xdmac: GFP_KERNEL for user that can sleep
dmaengine: at_xdmac: Fix locking in tasklet

Vinod Koul (2):
dmaengine: sun4i: set the linear_mode properly
dmaengine: uniphier-xdmac: Remove redandant error log for platform_get_irq

Yoshihiro Shimoda (1):
dt-bindings: dma: renesas,usb-dmac: add r8a77961 support

YueHaibing (5):
dmaengine: idxd: remove set but not used variable 'group'
dmaengine: idxd: remove set but not used variable 'idxd_cdev'
dmaengine: sun4i: use 'linear_mode' in sun4i_dma_prep_dma_cyclic
dmaengine: fsl-dpaa2-qdma: remove set but not used variable 'dpaa2_qdma'
dmaengine: tegra-apb: mark PM functions as __maybe_unused

Zhenfang Wang (1):
dmaengine: sprd: Set request pending flag when DMA controller is active

chenqiwu (1):
dmaengine: ti: dma-crossbar: convert to devm_platform_ioremap_resource()

.../devicetree/bindings/dma/renesas,usb-dmac.txt | 1 +
.../bindings/dma/socionext,uniphier-xdmac.yaml | 63 +++
Documentation/devicetree/bindings/dma/ti-edma.txt | 2 +-
.../devicetree/bindings/dma/ti/k3-udma.yaml | 19 +-
drivers/dma/Kconfig | 15 +-
drivers/dma/Makefile | 1 +
drivers/dma/at_hdmac.c | 121 ++--
drivers/dma/at_hdmac_regs.h | 2 -
drivers/dma/at_xdmac.c | 44 +-
drivers/dma/bcm-sba-raid.c | 2 +-
drivers/dma/dmaengine.c | 102 +++-
drivers/dma/dmaengine.h | 16 +
drivers/dma/fsl-dpaa2-qdma/dpaa2-qdma.c | 15 +
drivers/dma/fsl-dpaa2-qdma/dpdmai.c | 21 +
drivers/dma/fsl-dpaa2-qdma/dpdmai.h | 2 +
drivers/dma/idxd/cdev.c | 4 +-
drivers/dma/idxd/device.c | 4 +-
drivers/dma/idxd/sysfs.c | 19 +-
drivers/dma/ioat/dca.c | 2 +-
drivers/dma/ppc4xx/adma.c | 2 +-
drivers/dma/sa11x0-dma.c | 2 +-
drivers/dma/sh/rcar-dmac.c | 2 +-
drivers/dma/sh/shdma-base.c | 2 +-
drivers/dma/sprd-dma.c | 26 +-
drivers/dma/stm32-dma.c | 96 +++-
drivers/dma/stm32-dmamux.c | 93 +++-
drivers/dma/stm32-mdma.c | 78 ++-
drivers/dma/sun4i-dma.c | 4 +-
drivers/dma/tegra20-apb-dma.c | 546 +++++++++---------
drivers/dma/tegra210-adma.c | 2 +-
drivers/dma/ti/dma-crossbar.c | 8 +-
drivers/dma/ti/edma.c | 79 +++
drivers/dma/ti/k3-udma-glue.c | 18 +-
drivers/dma/ti/k3-udma.c | 113 +++-
drivers/dma/ti/omap-dma.c | 2 +-
drivers/dma/uniphier-mdmac.c | 2 +-
drivers/dma/uniphier-xdmac.c | 609 +++++++++++++++++++++
drivers/dma/xilinx/xilinx_dma.c | 65 +--
include/linux/dmaengine.h | 68 +--
include/uapi/linux/idxd.h | 21 +-
40 files changed, 1749 insertions(+), 544 deletions(-)
create mode 100644 Documentation/devicetree/bindings/dma/socionext,uniphier-xdmac.yaml
create mode 100644 drivers/dma/uniphier-xdmac.c

--
~Vinod

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