linux-kernel - power off USB port

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Message-Id: <1207477224.3785.10.camel@bip.parateam.prv>
Date:	Sun, 06 Apr 2008 12:20:24 +0200
From:	Xavier Bestel <xavier.bestel@...e.fr>
To:	linux-kernel@...r.kernel.org
Subject: power off USB port

Hi,

I'd like to power off some usb ports (to make ejected usb flash drives
power off their little "don't remove me yet" led), but I can't find how
to do it with a 2.6.24 kernel:
- eject /dev/sd? doesn't work anymore
- /sys/bus/usb/devices/*/power/state doesn't exist anymore
- hub-ctrl-2.c [1] fails with a "Broken pipe" error

Does anyone know how to achieve that ?

Thanks,
	Xav


[1]: http://www.gniibe.org/log/linux


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