Hello list ?

I apologize first for posting a user question to development list, but
it seems that linux-usb list is inactive for some time.

Is possible to power down an usb device using sysfs or procfs ?
Something like "safe eject device" in windoze ?
I have a USB hdd, powered by the usb bus, and before I plug it out, I
would like to power it off.
If I rmmod the ehci_hcd module, it seems that the device is powering
off, but then all my usb 2 devices are off :(
The same if I have an usb1 device but with rmmod uhci_hcd, I will power
off all usb1 devices.

Is it possible to power down individual USB devices ?





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