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Date: Mon, 20 Apr 2020 15:26:04 -0500 From: Eddie James <eajames@...ux.ibm.com> To: linux-aspeed@...ts.ozlabs.org Cc: linux-kernel@...r.kernel.org, devicetree@...r.kernel.org, robh+dt@...nel.org, joel@....id.au, andrew@...id.au, eajames@...ux.ibm.com Subject: [PATCH v10 0/7] soc: aspeed: Add XDMA engine driver This series adds a driver to control the Aspeed XDMA engine embedded in the AST2500 and AST2600. The XDMA engine performs automatic DMA operations over PCI-E between the Aspeed SOC (acting as a BMC) and a host processor. Changes since v9: - Remove the kernel command queue - Use memcpy_toio instead to copy commands to the buffer - Free the client's genalloc'd memory in the release method - Switch the bindings documentation to yaml - Add patches to fix SCU interrupt controller include Changes since v8: - Use DMA API to allocate memory from reserved region. - Fix the driver for the AST2500 by keeping the command queue in kernel memory and copying the whole buffer to the reserved memory area before starting the operation. - Add krefs to the client structure to prevent use-after-free. - Switch reset-names binding to "device", "root-complex" Eddie James (7): dt-bindings: soc: Add Aspeed XDMA Engine soc: aspeed: Add XDMA Engine Driver soc: aspeed: xdma: Add user interface soc: aspeed: xdma: Add reset ioctl ARM: dts: Aspeed: AST2600: Add XDMA PCI-E root control reset ARM: dts: Aspeed: AST2500: Add missing SCU interrupt controller include ARM: dts: Aspeed: AST2600: Add missing SCU interrupt controller include .../devicetree/bindings/soc/aspeed/xdma.yaml | 108 ++ MAINTAINERS | 8 + arch/arm/boot/dts/aspeed-g5.dtsi | 1 + arch/arm/boot/dts/aspeed-g6.dtsi | 4 +- drivers/soc/aspeed/Kconfig | 8 + drivers/soc/aspeed/Makefile | 1 + drivers/soc/aspeed/aspeed-xdma.c | 1106 +++++++++++++++++ include/uapi/linux/aspeed-xdma.h | 42 + 8 files changed, 1277 insertions(+), 1 deletion(-) create mode 100644 Documentation/devicetree/bindings/soc/aspeed/xdma.yaml create mode 100644 drivers/soc/aspeed/aspeed-xdma.c create mode 100644 include/uapi/linux/aspeed-xdma.h -- 2.24.0
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