From: Aaron Lu <aaron.lu@intel.com>
To: Jack Wang <jack_wang@usish.com>
Cc: 'Aaron Lu' <aaron.lwe@gmail.com>,
'Alan Stern' <stern@rowland.harvard.edu>,
'James Bottomley' <James.Bottomley@HansenPartnership.com>,
'Jeff Garzik' <jgarzik@pobox.com>,
linux-scsi@vger.kernel.org, linux-ide@vger.kernel.org,
linux-pm@vger.kernel.org, linux-acpi@vger.kernel.org
Subject: Re: [PATCH v6 0/7] ZPODD patches
Date: Thu, 13 Sep 2012 17:19:56 +0800 [thread overview]
Message-ID: <5051A53C.1020003@intel.com> (raw)
In-Reply-To: <39385533A6294F469B42B0093B4B4840@usish.com.cn>
On 09/13/2012 05:12 PM, Jack Wang wrote:
>>
>> When scsi disk is runtime suspended, the ata port it attached to will be
>> runtime suspended, and then the power will be removed through ACPI.
>>
>> Please check libata-acpi.c, function ata_acpi_set_state.
>>
>> The parent/child relationship of the devices:
>> ata_host
>> ata_port
>> scsi_host
>> scsi_target
>> scsi_device
>>
>> If you have more questions on how it works, please send email only
>> to me, other people might be too busy to read such emails :-)
>>
>> Thanks,
>> Aaron
> [Jack Wang] Thanks, but as I read code, only SATA disk will attached to ata
> port, how about SAS disk or FC disk?
Don't know much about SAS/FC, I guess they have their own controller.
The patch only work for SATA.
>
> I still copy to other people as James suggested :)
Sure, please do so.
Thanks,
Aaron
prev parent reply other threads:[~2012-09-13 9:19 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-04 14:24 [PATCH v6 0/7] ZPODD patches Aaron Lu
2012-09-04 14:24 ` [PATCH v6 1/7] scsi: sr: support runtime pm for ODD Aaron Lu
2012-09-04 15:57 ` Oliver Neukum
2012-09-04 17:59 ` Alan Stern
2012-09-04 18:47 ` Oliver Neukum
2012-09-05 15:22 ` Aaron Lu
2012-09-05 16:08 ` Alan Stern
2012-09-05 22:49 ` Aaron Lu
2012-09-06 15:06 ` Alan Stern
2012-09-06 15:25 ` Oliver Neukum
2012-09-06 17:08 ` Alan Stern
2012-09-06 18:06 ` Oliver Neukum
2012-09-06 18:50 ` Alan Stern
2012-09-10 9:16 ` Aaron Lu
2012-09-10 10:45 ` Oliver Neukum
2012-09-11 6:44 ` Aaron Lu
2012-09-11 8:55 ` Oliver Neukum
2012-09-11 9:24 ` Aaron Lu
2012-09-11 9:30 ` Oliver Neukum
2012-09-11 11:11 ` Aaron Lu
2012-09-11 12:10 ` Oliver Neukum
2012-09-11 12:31 ` Aaron Lu
2012-09-11 12:35 ` Oliver Neukum
2012-09-11 12:13 ` Aaron Lu
2012-09-07 14:53 ` Aaron Lu
2012-09-07 15:41 ` Alan Stern
2012-09-05 18:06 ` Oliver Neukum
2012-09-06 5:55 ` Aaron Lu
2012-09-06 5:17 ` Aaron Lu
2012-09-04 14:24 ` [PATCH v6 2/7] block: genhd: export disk_(un)block_events Aaron Lu
2012-09-04 14:24 ` [PATCH v6 3/7] scsi: sr: block events checking when suspended for zpodd Aaron Lu
2012-09-04 14:24 ` [PATCH v6 4/7] libata: acpi: set can_power_off for both ODD and HD Aaron Lu
2012-09-07 2:37 ` Jeff Garzik
2012-09-04 14:24 ` [PATCH v6 5/7] scsi: pm: add may_power_off flag Aaron Lu
2012-09-04 16:01 ` Oliver Neukum
2012-09-06 1:52 ` Aaron Lu
2012-09-04 14:24 ` [PATCH v6 6/7] scsi: sr: use may_power_off Aaron Lu
2012-09-04 14:24 ` [PATCH v6 7/7] libata: acpi: respect may_power_off flag Aaron Lu
2012-09-07 2:38 ` Jeff Garzik
2012-09-13 2:42 ` [PATCH v6 0/7] ZPODD patches Jack Wang
2012-09-13 3:20 ` Aaron Lu
2012-09-13 8:15 ` Jack Wang
2012-09-13 8:30 ` Aaron Lu
2012-09-13 8:39 ` Jack Wang
2012-09-13 8:56 ` Aaron Lu
2012-09-13 9:01 ` James Bottomley
2012-09-13 9:12 ` Jack Wang
2012-09-13 9:19 ` Aaron Lu [this message]
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