Merge tag 'dmaengine-5.6-rc1' of git://git.infradead.org/users/vkoul/slave-dma (a5b871c9) · Commits · 戴 / test

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

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		What: sys/bus/dsa/devices/dsa<m>/cdev_major
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The major number that the character device driver assigned to
		this device.

		What: sys/bus/dsa/devices/dsa<m>/errors
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The error information for this device.

		What: sys/bus/dsa/devices/dsa<m>/max_batch_size
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The largest number of work descriptors in a batch.

		What: sys/bus/dsa/devices/dsa<m>/max_work_queues_size
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The maximum work queue size supported by this device.

		What: sys/bus/dsa/devices/dsa<m>/max_engines
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The maximum number of engines supported by this device.

		What: sys/bus/dsa/devices/dsa<m>/max_groups
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The maximum number of groups can be created under this device.

		What: sys/bus/dsa/devices/dsa<m>/max_tokens
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The total number of bandwidth tokens supported by this device.
		The bandwidth tokens represent resources within the DSA
		implementation, and these resources are allocated by engines to
		support operations.

		What: sys/bus/dsa/devices/dsa<m>/max_transfer_size
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		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
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The maximum work queue number that this device supports.

		What: sys/bus/dsa/devices/dsa<m>/numa_node
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The numa node number for this device.

		What: sys/bus/dsa/devices/dsa<m>/op_cap
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The operation capability bit mask specify the operation types
		supported by the this device.

		What: sys/bus/dsa/devices/dsa<m>/state
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The state information of this device. It can be either enabled
		or disabled.

		What: sys/bus/dsa/devices/dsa<m>/group<m>.<n>
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The assigned group under this device.

		What: sys/bus/dsa/devices/dsa<m>/engine<m>.<n>
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The assigned engine under this device.

		What: sys/bus/dsa/devices/dsa<m>/wq<m>.<n>
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The assigned work queue under this device.

		What: sys/bus/dsa/devices/dsa<m>/configurable
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: To indicate if this device is configurable or not.

		What: sys/bus/dsa/devices/dsa<m>/token_limit
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		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
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The group id that this work queue belongs to.

		What: sys/bus/dsa/devices/wq<m>.<n>/size
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The work queue size for this work queue.

		What: sys/bus/dsa/devices/wq<m>.<n>/type
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		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
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The minor number assigned to this work queue by the character
		device driver.

		What: sys/bus/dsa/devices/wq<m>.<n>/mode
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The work queue mode type for this work queue.

		What: sys/bus/dsa/devices/wq<m>.<n>/priority
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		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
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The current state of the work queue.

		What: sys/bus/dsa/devices/wq<m>.<n>/threshold
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		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
		Date: Oct 25, 2019
		KernelVersion: 5.6.0
		Contact: dmaengine@vger.kernel.org
		Description: The group that this engine belongs to.

Documentation/devicetree/bindings/dma/fsl-edma.txt

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Original line number	Diff line number	Diff line
		@@ -10,6 +10,7 @@ Required properties:
		- compatible :
		- "fsl,vf610-edma" for eDMA used similar to that on Vybrid vf610 SoC
		- "fsl,imx7ulp-edma" for eDMA2 used similar to that on i.mx7ulp
		- "fsl,fsl,ls1028a-edma" for eDMA used similar to that on Vybrid vf610 SoC
		- reg : Specifies base physical address(s) and size of the eDMA registers.
		The 1st region is eDMA control register's address and size.
		The 2nd and the 3rd regions are programmable channel multiplexing

Documentation/devicetree/bindings/dma/fsl-imx-sdma.txt

+3 −0

Original line number	Diff line number	Diff line
		@@ -10,6 +10,9 @@ Required properties:
		"fsl,imx6q-sdma"
		"fsl,imx7d-sdma"
		"fsl,imx8mq-sdma"
		"fsl,imx8mm-sdma"
		"fsl,imx8mn-sdma"
		"fsl,imx8mp-sdma"
		The -to variants should be preferred since they allow to determine the
		correct ROM script addresses needed for the driver to work without additional
		firmware.

Documentation/devicetree/bindings/dma/jz4780-dma.txt

+4 −2

Original line number	Diff line number	Diff line
		* Ingenic JZ4780 DMA Controller
		* Ingenic XBurst DMA Controller

		Required properties:

		@@ -8,10 +8,12 @@ Required properties:
		* ingenic,jz4770-dma
		* ingenic,jz4780-dma
		* ingenic,x1000-dma
		* ingenic,x1830-dma
		- reg: Should contain the DMA channel registers location and length, followed
		by the DMA controller registers location and length.
		- interrupts: Should contain the interrupt specifier of the DMA controller.
		- clocks: Should contain a clock specifier for the JZ4780/X1000 PDMA clock.
		- clocks: Should contain a clock specifier for the JZ4780/X1000/X1830 PDMA
		clock.
		- #dma-cells: Must be <2>. Number of integer cells in the dmas property of
		DMA clients (see below).

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

+1 −0

Original line number	Diff line number	Diff line
		@@ -30,6 +30,7 @@ Required Properties:
		- "renesas,dmac-r8a7794" (R-Car E2)
		- "renesas,dmac-r8a7795" (R-Car H3)
		- "renesas,dmac-r8a7796" (R-Car M3-W)
		- "renesas,dmac-r8a77961" (R-Car M3-W+)
		- "renesas,dmac-r8a77965" (R-Car M3-N)
		- "renesas,dmac-r8a77970" (R-Car V3M)
		- "renesas,dmac-r8a77980" (R-Car V3H)

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