USB reset fails when using a LimeSDR Mini on FreeBSD

[Hans Petter Selasky]

Hi,

On 2020-07-03 11:06, Tomasz CEDRO wrote:
> +1 for user enabled actions like usb reset and kernel driver detach:-)
> maybe based on a sysctl like usermount, i.e. usb_allow_user_device_reset
> and usb_allow_user_kernel_driver_detach..?
> 
> One would allow user to reset a usb device. This is sometimes required to
> restore device or change its configration.
> 
> Second would allow user for example to unload ucom driver that is attached
> to a device which does not seem possible right now and causes problem with
> i.e. pyOCD / some debug probes.

Currently we use PRIV_DRIVER in the USB stack. Not sure how a user gets 
PRIV_DRIVER rights.

Tomasz: Feel free to suggest a patch for this after testing.

--HPS