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Re: [PATCH] ata: ahci: power off unused ports
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From:
Jeff Garzik <jeff@...>
To: Alan Cox <alan@...>
Cc: Pavel Machek <pavel@...>, Kristen Carlson Accardi <kristen.c.accardi@...>, Theodore Tso <tytso@...>, <linux-ide@...>, <linux-kernel@...>
Subject:
Re: [PATCH] ata: ahci: power off unused ports
Date: Monday, June 2, 2008 - 5:48 am
Alan Cox wrote:
quoted text
>> The key requirement is per-port control. Ideally via hdparm or another >> userspace tool, but kernel command line (module options) or sysfs would >> be just fine too. And agreed, the minimal you need is simply 1/0 for >> the port's policy. > > We don't need it per port Jeff, you are being quite silly here. Right now > its permanently foo=0 for all ports and nobody has suffered anything too > horrible so being able to turn it off for all ports is clearly quite > sufficient for the neat future.
Er, huh? foo=0 means hotplug continues to work on the unused ports. Nobody has suffered because we default to enabling all the goodies. Jeff --
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Messages in current thread:
[PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Thu May 8, 7:10 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Theodore Tso
, (Mon May 26, 11:08 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Tue May 27, 5:32 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Theodore Tso
, (Tue May 27, 6:59 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Tue May 27, 7:32 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Pavel Machek
, (Sat May 31, 4:00 am)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Sun Jun 1, 3:16 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Alan Cox
, (Mon Jun 2, 3:04 am)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 3:43 am)
Re: [PATCH] ata: ahci: power off unused ports
, Mark Lord
, (Mon Jun 2, 9:03 am)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Mon Jun 2, 12:57 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 1:44 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 12:07 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Mon Jun 2, 1:00 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 1:45 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Mon Jun 2, 1:47 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 2:15 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Mon Jun 2, 2:16 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 2:38 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Tue Jun 3, 12:49 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Ric Wheeler
, (Mon Jun 2, 2:30 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 2:40 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Matthew Garrett
, (Mon Jun 2, 4:00 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Ric Wheeler
, (Mon Jun 2, 2:49 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 2:52 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Greg Freemyer
, (Mon Jun 2, 1:07 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Alan Cox
, (Mon Jun 2, 4:22 am)
Re: [PATCH] ata: ahci: power off unused ports
, Jeff Garzik
, (Mon Jun 2, 5:48 am)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Mon Jun 2, 12:55 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Alan Cox
, (Mon Jun 2, 9:54 am)
Re: [PATCH] ata: ahci: power off unused ports
, Mark Lord
, (Fri May 9, 11:06 am)
Port control interface (was Re: [PATCH] ata: ahci: power off...
, Jeff Garzik
, (Fri May 9, 11:28 am)
Re: [PATCH] ata: ahci: power off unused ports
, Matthew Garrett
, (Thu May 8, 7:37 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Lennart Sorensen
, (Fri May 9, 11:58 am)
Re: [PATCH] ata: ahci: power off unused ports
, Matthew Garrett
, (Fri May 9, 12:06 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Lennart Sorensen
, (Fri May 9, 12:14 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Fri May 9, 1:14 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Thu May 8, 7:35 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Matthew Garrett
, (Thu May 8, 8:14 pm)
Re: [PATCH] ata: ahci: power off unused ports
, Kristen Carlson Accardi
, (Thu May 8, 8:28 pm)
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