From: Andi Kleen <andi@firstfloor.org>
To: Kristen Carlson Accardi <kristen.c.accardi@intel.com>
Cc: jeff@garzik.org, linux-ide@vger.kernel.org, arjan@linux.intel.com
Subject: Re: [patch 2/2] libata: power off unused ports
Date: 28 Mar 2008 08:43:40 +0100 [thread overview]
Message-ID: <87fxubl2dv.fsf@basil.nowhere.org> (raw)
In-Reply-To: <20080325152813.0b34761f@appleyard>
Kristen Carlson Accardi <kristen.c.accardi@intel.com> writes:
> If a port doesn't support hot plug, there's no reason to keep the phy powered
> on unoccupied ports.
Would it be possible to add some writable sysfs attribute for this too?
A lot of ports support hot plug, but the users knows they will never actually
hot plug anything there. Exposing it to sysfs would make sense so
someone could make a conscious decision to save these watts by sacrifying
hotplug-support.
-Andi
next prev parent reply other threads:[~2008-03-28 7:43 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20080325221646.567639335@intel.com>
2008-03-25 22:28 ` [patch 1/2] ahci: Dont start port DMA engines unless a device is present Kristen Carlson Accardi
2008-04-12 4:21 ` Jeff Garzik
2008-03-25 22:28 ` [patch 2/2] libata: power off unused ports Kristen Carlson Accardi
2008-03-28 7:43 ` Andi Kleen [this message]
2008-03-28 17:00 ` Kristen Carlson Accardi
2008-04-12 4:28 ` Jeff Garzik
2008-04-14 23:11 ` Kristen Carlson Accardi
2008-04-15 19:02 ` Mark Lord
2008-04-24 17:45 ` Kristen Carlson Accardi
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