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
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