search

bperez77 / xilinx_axidma

A zero-copy Linux driver and a userspace interface library for Xilinx's AXI DMA and VDMA IP blocks. These serve as bridges for communication between the processing system and FPGA programmable logic fabric, through one of the DMA ports on the Zynq processing system. Distributed under the MIT License.
MIT License
450 stars 225 forks source link

[ 4103.709983] axidma: Unknown symbol xilinx_vdma_channel_set_config (err 0) #119

Closed noelpedro closed 4 years ago

noelpedro commented 4 years ago

Got this error when trying to insert module. dmesg: [ 4103.709983] axidma: Unknown symbol xilinx_vdma_channel_set_config (err 0) stdout: insmod: ERROR: could not insert module /home/user1/axidma.ko: Unknown symbol in module WARNING when compiling kernel: "xilinx_vdma_channel_set_config undefined!

linux kernel: 4.9 arch: arm64

noelpedro commented 4 years ago

CONFIG_CMA=y CONFIG_DMA_CMA=y CONFIG_XILINX_DMAENGINES=y CONFIG_XILINX_AXIDMA=y CONFIG_XILINX_AXIVDMA=y CONFIG_DMA_SHARED_BUFFER=y