Merge tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine updates from Vinod Koul: "Core: - Support out of order dma completion - Support for repeating transaction New controllers: - Support for Actions S700 DMA engine - Renesas R8A774E1, r8a7742 controller binding - New driver for Xilinx DPDMA controller Other: - Support of out of order dma completion in idxd driver - W=1 warning cleanup of subsystem - Updates to ti-k3-dma, dw, idxd drivers" * tag 'dmaengine-5.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine: (68 commits) dmaengine: dw: Don't include unneeded header to platform data header dmaengine: Actions: Add support for S700 DMA engine dmaengine: Actions: get rid of bit fields from dma descriptor dt-bindings: dmaengine: convert Actions Semi Owl SoCs bindings to yaml dmaengine: idxd: add missing invalid flags field to completion dmaengine: dw: Initialize max_sg_burst capability dmaengine: dw: Introduce max burst length hw config dmaengine: dw: Initialize min and max burst DMA device capability dmaengine: dw: Set DMA device max segment size parameter dmaengine: dw: Take HC_LLP flag into account for noLLP auto-config dmaengine: Introduce DMA-device device_caps callback dmaengine: Introduce max SG burst capability dmaengine: Introduce min burst length capability dt-bindings: dma: dw: Add max burst transaction length property dt-bindings: dma: dw: Convert DW DMAC to DT binding dmaengine: ti: k3-udma: Query throughput level information from hardware dmaengine: ti: k3-udma: Use defines for capabilities register parsing dmaengine: xilinx: dpdma: Fix kerneldoc warning dmaengine: xilinx: dpdma: add missing kernel doc dmaengine: xilinx: dpdma: remove comparison of unsigned expression ...
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@@ -239,6 +239,22 @@ Currently, the types available are:
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want to transfer a portion of uncompressed data directly to the
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display to print it
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- DMA_COMPLETION_NO_ORDER
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- The device does not support in order completion.
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- The driver should return DMA_OUT_OF_ORDER for device_tx_status if
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the device is setting this capability.
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- All cookie tracking and checking API should be treated as invalid if
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the device exports this capability.
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- At this point, this is incompatible with polling option for dmatest.
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- If this cap is set, the user is recommended to provide an unique
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identifier for each descriptor sent to the DMA device in order to
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properly track the completion.
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- DMA_REPEAT
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- The device supports repeated transfers. A repeated transfer, indicated by
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@@ -420,6 +436,9 @@ supported.
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- In the case of a cyclic transfer, it should only take into
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account the current period.
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- Should return DMA_OUT_OF_ORDER if the device does not support in order
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completion and is completing the operation out of order.
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- This function can be called in an interrupt context.
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- device_config
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@@ -509,7 +528,7 @@ dma_cookie_t
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DMA_CTRL_ACK
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- If clear, the descriptor cannot be reused by provider until the
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client acknowledges receipt, i.e. has has a chance to establish any
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client acknowledges receipt, i.e. has a chance to establish any
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dependency chains
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- This can be acked by invoking async_tx_ack()
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