Tag: DMA

Linux Kernel 4.4 DTS node for Xilinx AXI-DMA IP.

I recently switch to Linux Kernel 4.4 (from 4.0) for some of my projects and to my no surprise found Xilinx AXI-DMA not working again. This time it complained that it can't find DMA channel: "unable to read dma-channels property"

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Some material on Linux Device Drivers from Xilinx.

John Linn posted some interesting material on Linux Device Drivers. It covers basic Linux driver topics in introduction Sessions 1 and 2, UIO drivers in Session 3 and DMA drivers in kernel mode in Session 4. I found all sessions

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