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Subject[PATCH v5 0/6] ata port runtime power management support
Hi Jeff,

This is the v5 patches to add ata port runtime pm support.
Applied on top of v3.2-rc4.

Patch 1 was acked by Tejun Heo.
Patch 2, 3, 4 were signed/acked by Alan Stern.

Could you consider merging these patches?

Chanes in v5(no functional change):
- add SCSI patches acks by Alan Stern
- rebase to v3.2-rc4

Changes in v4:
- check SCSI device runtime PM status in system PM (Alan Stern, Tejun Heo)

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


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



Lin Ming (6):
ata: make ata port as parent device of scsi host
[SCSI] add flag to skip the runtime PM calls on the host
[SCSI] check runtime PM status in system PM
[SCSI] sd: check runtime PM status in sd_shutdown
ata: add ata port system PM callbacks
ata: add ata port runtime PM callbacks

drivers/ata/libata-core.c | 154 ++++++++++++++++++++++------------------
drivers/ata/libata-scsi.c | 3 +-
drivers/ata/libata-transport.c | 5 ++
drivers/ata/libata.h | 1 +
drivers/scsi/scsi_error.c | 5 +-
drivers/scsi/scsi_pm.c | 16 ++++-
drivers/scsi/sd.c | 5 ++
include/scsi/scsi_host.h | 3 +
8 files changed, 118 insertions(+), 74 deletions(-)

Thanks for any comment,
Lin Ming

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