From: Greg KH <greg@kroah.com>
To: Xavier Bestel <xavier.bestel@free.fr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: power off USB port
Date: Sun, 6 Apr 2008 22:48:32 -0700 [thread overview]
Message-ID: <20080407054832.GA11216@kroah.com> (raw)
In-Reply-To: <1207477224.3785.10.camel@bip.parateam.prv>
On Sun, Apr 06, 2008 at 12:20:24PM +0200, Xavier Bestel wrote:
> 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 ?
You can not, sorry. Please see the archives of this list, and the
linux-usb list for the many many many times this keeps coming up.
thanks,
greg k-h
prev parent reply other threads:[~2008-04-07 5:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-06 10:20 power off USB port Xavier Bestel
2008-04-07 5:48 ` Greg KH [this message]
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