Am Montag 25 August 2008 10:19:01 schrieb Pavel Machek:
quoted text > From: Alan Stern <stern@rowland.harvard.edu>
>
> Add support for autosuspend/autoresume of the SCSI devices. Lowlevel
> driver can use it to spin the disk down... and it is neccessary step
> for powering down the controllers.
>
> Spinning down the disk is useful - saves ~0.5W here, and it is last
> major thing we can do to save power on some small machines like
> Kohjinsha subnotebooks.
>
> Signed-off-by: Pavel Machek <pavel@suse.cz>
Hi,
firstly, it doesn't consider error handling before suspending.
Secondly, it is simply not true that in SCSI suspending the disks
is always necessary before suspending the controller.
Regards
Oliver
--
unsubscribe notice To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to
majordomo@vger.kernel.org
More majordomo info at
http://vger.kernel.org/majordomo-info.html
Please read the FAQ at
http://www.tux.org/lkml/
Messages in current thread:
Re: autosuspend for SCSI devices , Oliver Neukum , (Mon Aug 25, 1:55 am)