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CONFIG_MUSB_PIO_ONLY: Disable DMA (always use PIO)

General informations

The Linux kernel configuration item CONFIG_MUSB_PIO_ONLY:

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All data is copied between memory and FIFO by the CPU. DMA controllers are ignored.

Do not choose this unless DMA support for your SOC or board is unavailable (or unstable). When DMA is enabled at compile time, you can still disable it at run time using the "use_dma=n" module parameter.



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