* power off USB port
@ 2008-04-06 10:20 Xavier Bestel
2008-04-07 5:48 ` Greg KH
0 siblings, 1 reply; 2+ messages in thread
From: Xavier Bestel @ 2008-04-06 10:20 UTC (permalink / raw)
To: linux-kernel
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: power off USB port
2008-04-06 10:20 power off USB port Xavier Bestel
@ 2008-04-07 5:48 ` Greg KH
0 siblings, 0 replies; 2+ messages in thread
From: Greg KH @ 2008-04-07 5:48 UTC (permalink / raw)
To: Xavier Bestel; +Cc: linux-kernel
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
^ permalink raw reply [flat|nested] 2+ messages in thread
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2008-04-06 10:20 power off USB port Xavier Bestel
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