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ata port runtime power management support

From:  Lin Ming <>
Subject:  [PATCH v3 0/6] ata port runtime power management support
Date:  Wed, 23 Nov 2011 15:01:20 +0800
Message-ID:  <>
Cc:,,, Alan Stern <>, Jeff Garzik <>, "Rafael J. Wysocki" <>, James Bottomley <>, Tejun Heo <>, Huang Ying <>, Zhang Rui <>
Archive-link:  Article

Hi all,

This is the v3 patches to add ata port runtime pm support.
Applied on top of v3.2-rc2.


Acked-by: Tejun Heo <>
Kay Sievers reviewed sysfs change

Changes in v3:
- runtime resume scsi device before system suspend (Alan Stern)
- check runtime status in sd_shutdown

Thanks for any comment,
Lin Ming
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