USB
This article describes the setup of USB (Universal Serial Bus) controllers.
Installation
Hardware detection
To choose the right driver, first detect the used USB controllers. The lspci utility works nicely for this task:
root #lspci | grep --color -i usbKernel
See the kernel section of the USB guide and the USB host controllers section of the Kernel configuration guide.
Portage
Portage knows the usb USE flag. Some packages include or exclude support for USB based on this flag. As with all USE flags, can be set as a value of the USE variable in /etc/portage/make.conf or in /etc/portage/package.use.
Emerge
Install the sys-apps/usbutils package, if it is not already installed by adding the usb USE flag and re-running emerge with --changed-use:
root #emerge --ask sys-apps/usbutils
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