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
  ...

Author: torvalds

Documentation/ABI/stable/sysfs-driver-dma-idxd

@@ -1,47 +1,47 @@
-What:		sys/bus/dsa/devices/dsa<m>/version
+What:		/sys/bus/dsa/devices/dsa<m>/version
 Date:		Apr 15, 2020
 KernelVersion:	5.8.0
 Contact:	[email protected]
 Description:	The hardware version number.
 
-What:           sys/bus/dsa/devices/dsa<m>/cdev_major
+What:           /sys/bus/dsa/devices/dsa<m>/cdev_major
 Date:           Oct 25, 2019
-KernelVersion: 	5.6.0
+KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:	The major number that the character device driver assigned to
 		this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/errors
+What:           /sys/bus/dsa/devices/dsa<m>/errors
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The error information for this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_batch_size
+What:           /sys/bus/dsa/devices/dsa<m>/max_batch_size
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The largest number of work descriptors in a batch.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_work_queues_size
+What:           /sys/bus/dsa/devices/dsa<m>/max_work_queues_size
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The maximum work queue size supported by this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_engines
+What:           /sys/bus/dsa/devices/dsa<m>/max_engines
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The maximum number of engines supported by this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_groups
+What:           /sys/bus/dsa/devices/dsa<m>/max_groups
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The maximum number of groups can be created under this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_tokens
+What:           /sys/bus/dsa/devices/dsa<m>/max_tokens
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
@@ -50,127 +50,127 @@ Description:    The total number of bandwidth tokens supported by this device.
 		implementation, and these resources are allocated by engines to
 		support operations.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_transfer_size
+What:           /sys/bus/dsa/devices/dsa<m>/max_transfer_size
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The number of bytes to be read from the source address to
 		perform the operation. The maximum transfer size is dependent on
 		the workqueue the descriptor was submitted to.
 
-What:           sys/bus/dsa/devices/dsa<m>/max_work_queues
+What:           /sys/bus/dsa/devices/dsa<m>/max_work_queues
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The maximum work queue number that this device supports.
 
-What:           sys/bus/dsa/devices/dsa<m>/numa_node
+What:           /sys/bus/dsa/devices/dsa<m>/numa_node
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The numa node number for this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/op_cap
+What:           /sys/bus/dsa/devices/dsa<m>/op_cap
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The operation capability bit mask specify the operation types
 		supported by the this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/state
+What:           /sys/bus/dsa/devices/dsa<m>/state
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The state information of this device. It can be either enabled
 		or disabled.
 
-What:           sys/bus/dsa/devices/dsa<m>/group<m>.<n>
+What:           /sys/bus/dsa/devices/dsa<m>/group<m>.<n>
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The assigned group under this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/engine<m>.<n>
+What:           /sys/bus/dsa/devices/dsa<m>/engine<m>.<n>
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The assigned engine under this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/wq<m>.<n>
+What:           /sys/bus/dsa/devices/dsa<m>/wq<m>.<n>
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The assigned work queue under this device.
 
-What:           sys/bus/dsa/devices/dsa<m>/configurable
+What:           /sys/bus/dsa/devices/dsa<m>/configurable
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    To indicate if this device is configurable or not.
 
-What:           sys/bus/dsa/devices/dsa<m>/token_limit
+What:           /sys/bus/dsa/devices/dsa<m>/token_limit
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The maximum number of bandwidth tokens that may be in use at
 		one time by operations that access low bandwidth memory in the
 		device.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/group_id
+What:           /sys/bus/dsa/devices/wq<m>.<n>/group_id
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The group id that this work queue belongs to.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/size
+What:           /sys/bus/dsa/devices/wq<m>.<n>/size
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The work queue size for this work queue.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/type
+What:           /sys/bus/dsa/devices/wq<m>.<n>/type
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The type of this work queue, it can be "kernel" type for work
 		queue usages in the kernel space or "user" type for work queue
 		usages by applications in user space.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
+What:           /sys/bus/dsa/devices/wq<m>.<n>/cdev_minor
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The minor number assigned to this work queue by the character
 		device driver.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/mode
+What:           /sys/bus/dsa/devices/wq<m>.<n>/mode
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The work queue mode type for this work queue.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/priority
+What:           /sys/bus/dsa/devices/wq<m>.<n>/priority
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The priority value of this work queue, it is a vlue relative to
 		other work queue in the same group to control quality of service
 		for dispatching work from multiple workqueues in the same group.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/state
+What:           /sys/bus/dsa/devices/wq<m>.<n>/state
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The current state of the work queue.
 
-What:           sys/bus/dsa/devices/wq<m>.<n>/threshold
+What:           /sys/bus/dsa/devices/wq<m>.<n>/threshold
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]
 Description:    The number of entries in this work queue that may be filled
 		via a limited portal.
 
-What:           sys/bus/dsa/devices/engine<m>.<n>/group_id
+What:           /sys/bus/dsa/devices/engine<m>.<n>/group_id
 Date:           Oct 25, 2019
 KernelVersion:  5.6.0
 Contact:        [email protected]

Documentation/devicetree/bindings/dma/arm-pl330.txt

@@ -16,6 +16,7 @@ Optional properties:
   - dma-channels: contains the total number of DMA channels supported by the DMAC
   - dma-requests: contains the total number of DMA requests supported by the DMAC
   - arm,pl330-broken-no-flushp: quirk for avoiding to execute DMAFLUSHP
+  - arm,pl330-periph-burst: quirk for performing burst transfer only
   - resets: contains an entry for each entry in reset-names.
 	    See ../reset/reset.txt for details.
   - reset-names: must contain at least "dma", and optional is "dma-ocp".

Documentation/devicetree/bindings/dma/owl-dma.txt

@@ -0,0 +1,79 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/dma/owl-dma.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Actions Semi Owl SoCs DMA controller
+
+description: |
+  The OWL DMA is a general-purpose direct memory access controller capable of
+  supporting 10 and 12 independent DMA channels for S700 and S900 SoCs
+  respectively.
+
+maintainers:
+  - Manivannan Sadhasivam <[email protected]>
+
+allOf:
+  - $ref: "dma-controller.yaml#"
+
+properties:
+  compatible:
+    enum:
+      - actions,s900-dma
+      - actions,s700-dma
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    description:
+      controller supports 4 interrupts, which are freely assignable to the
+      DMA channels.
+    maxItems: 4
+
+  "#dma-cells":
+    const: 1
+
+  dma-channels:
+    maximum: 12
+
+  dma-requests:
+    maximum: 46
+
+  clocks:
+    maxItems: 1
+    description:
+      Phandle and Specifier of the clock feeding the DMA controller.
+
+  power-domains:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - "#dma-cells"
+  - dma-channels
+  - dma-requests
+  - clocks
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    dma: dma-controller@e0260000 {
+        compatible = "actions,s900-dma";
+        reg = <0xe0260000 0x1000>;
+        interrupts = <GIC_SPI 57 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 58 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 59 IRQ_TYPE_LEVEL_HIGH>,
+                     <GIC_SPI 60 IRQ_TYPE_LEVEL_HIGH>;
+        #dma-cells = <1>;
+        dma-channels = <12>;
+        dma-requests = <46>;
+        clocks = <&clock 22>;
+    };
+
+...

Documentation/devicetree/bindings/dma/owl-dma.yaml

@@ -23,6 +23,7 @@ properties:
           - renesas,dmac-r8a774a1 # RZ/G2M
           - renesas,dmac-r8a774b1 # RZ/G2N
           - renesas,dmac-r8a774c0 # RZ/G2E
+          - renesas,dmac-r8a774e1 # RZ/G2H
           - renesas,dmac-r8a7790  # R-Car H2
           - renesas,dmac-r8a7791  # R-Car M2-W
           - renesas,dmac-r8a7792  # R-Car V2H

Documentation/devicetree/bindings/dma/renesas,rcar-dmac.yaml

@@ -16,13 +16,15 @@ properties:
   compatible:
     items:
       - enum:
+          - renesas,r8a7742-usb-dmac  # RZ/G1H
           - renesas,r8a7743-usb-dmac  # RZ/G1M
           - renesas,r8a7744-usb-dmac  # RZ/G1N
           - renesas,r8a7745-usb-dmac  # RZ/G1E
           - renesas,r8a77470-usb-dmac # RZ/G1C
           - renesas,r8a774a1-usb-dmac # RZ/G2M
           - renesas,r8a774b1-usb-dmac # RZ/G2N
           - renesas,r8a774c0-usb-dmac # RZ/G2E
+          - renesas,r8a774e1-usb-dmac # RZ/G2H
           - renesas,r8a7790-usb-dmac  # R-Car H2
           - renesas,r8a7791-usb-dmac  # R-Car M2-W
           - renesas,r8a7793-usb-dmac  # R-Car M2-N