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CONFIG_USB_BANDWIDTH: Enforce USB bandwidth allocation (EXPERIMENTAL)

General informations

The Linux kernel configuration item CONFIG_USB_BANDWIDTH:

• prompt: Enforce USB bandwidth allocation (EXPERIMENTAL)
• type: bool
• depends on: CONFIG_USB && CONFIG_EXPERIMENTAL
• defined in drivers/usb/core/Kconfig
• found in Linux kernels: 2.6.0–2.6.20

Help text

If you say Y here, the USB subsystem enforces USB bandwidth allocation and will prevent some device opens from succeeding if they would cause USB bandwidth usage to go above 90% of the bus bandwidth.

If you say N here, these conditions will cause warning messages about USB bandwidth usage to be logged and some devices or drivers may not work correctly.

Hardware

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