Hello, On Wed, Nov 02, 2011 at 02:21:37PM +0800, Lin Ming wrote: > These 3 patches add ata port runtime pm support, which is done through scsi layer. > scsi host runtime pm mechanism is already there(scsi_pm.c). > These patches add hooks for ata port. > > Lin Ming (3): > scsi: fix potential dead lock for host runtime pm > scsi: add hooks for host runtime power management > ata: implement ata port runtime pm hooks Hmmm.... Some questions. * How much does this add on top of hardware timed auto spindown and dynamic link power management? * Do the added benefits justify yet another runtime powersaving mechanism? * Any way we can tie the other stuff with overall runtime PM? Thanks. -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
