Hello,
tl;dr: Custom PCIe FPGA board, custom driver: dma_map_sg() and dma_set_mask()
do not report any error, the dma addresses are bigger than the useable address
space (30 bit).
I'm trying to write a direct I/O driver for a custom PCIe FPGA board (for my
MSc thesis). I would like to use
Hello,
tl;dr: Custom PCIe FPGA board, custom driver: dma_map_sg() and dma_set_mask()
do not report any error, the dma addresses are bigger than the useable address
space (30 bit).
I'm trying to write a direct I/O driver for a custom PCIe FPGA board (for my
MSc thesis). I would like to use
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