Disable external hubs
configname: CONFIG_USB_OTG_BLACKLIST_HUB
Linux Kernel Configuration
└─>Device Drivers
└─>USB support
└─>Disable external hubs
In linux kernel since version 2.6.20 (release Date: 2007-02-04)
If you say Y here, then Linux will refuse to enumerate
external hubs. OTG hosts are allowed to reduce hardware
and software costs by not supporting external hubs. So
are "Embedded Hosts" that don't offer OTG support.
external hubs. OTG hosts are allowed to reduce hardware
and software costs by not supporting external hubs. So
are "Embedded Hosts" that don't offer OTG support.