CONFIG_MUSB_PIO_ONLY: Disable DMA (always use PIO)

General informations

The Linux kernel configuration item CONFIG_MUSB_PIO_ONLY:

• prompt: Disable DMA (always use PIO)
• type: bool
• depends on: (none)
• defined in drivers/usb/musb/Kconfig
• found in Linux kernels: 2.6.27–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.11, 6.12-rc+HEAD

Help text

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.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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