On 09/13/2012 04:15 PM, Jack Wang wrote: >>> For hard disk runtime power off, Is there (hardware?) requirement for > hard >>> drive to support similar feature? >> >> No requirement for hard drive, as it does not need to remote wake up >> itself while powered off. >> >> Please note that there is a v7 sent yesterday, you may want to take a >> look at that instead of v6. >> >> And the runtime power off of hard drive is dropped from that patch set, >> I'll submit it in another patch set(pretty small changes needed). >> >> Thanks, >> Aaron > [Jack Wang] Thanks Aaron for quick replay, for disk runtime power off, will > it a different proach from block runtime power management patch set from > Lin Ming? I suppose you mean the "block layer runtime pm" from Lin Ming? No, they are different things. That patch set introduced a mechanism to decide when a device can enter runtime suspend based on block layer request, while my patch cares about when it is runtime suspended, how to remove its power. Thanks, Aaron -- 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
