Messages in this thread |  | | | Date | Wed, 07 Dec 2011 15:04:38 -0500 | | From | Jeff Garzik <> | | Subject | Re: [PATCH v5 1/6] ata: make ata port as parent device of scsi host |
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On 12/04/2011 08:20 PM, Lin Ming wrote: > Currently, the device tree of ata port and scsi host looks as below, > > /sys/devices/pci0000:00/0000:00:1f.2 (ahci controller) > |-- ata1 (ata port) > |-- host0 (scsi host) > |-- target0:0:0 (scsi target) > |-- 0:0:0:0 (disk) > > This patch makes ata port as parent device of scsi host, then it becomes > > /sys/devices/pci0000:00/0000:00:1f.2 (ahci controller) > |-- ata1 (ata port) > |-- host0 (scsi host) > |-- target0:0:0 (scsi target) > |-- 0:0:0:0 (disk) > > With this change, the ata port runtime PM is easier. > For example, the ata port runtime suspend will happen as, > > disk suspend --> scsi target suspend --> scsi host suspend --> ata port > suspend. > > Acked-by: Tejun Heo<tj@kernel.org> > Signed-off-by: Lin Ming<ming.m.lin@intel.com> > --- > drivers/ata/libata-scsi.c | 2 +- > 1 files changed, 1 insertions(+), 1 deletions(-)
applied 1-6, thanks
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