Hi Tejun, Nice can talk with you! :-) æ äï2010-12-08 æ 18:25 +0100ïTejun Heo æåï > (cc'ing linux-ide) > > Hello, > > On 12/08/2010 04:36 PM, Joey Lee wrote: > > Dear all expert, > > > > Hi, m... I just google the SATA ODD zero power support and found Henry > > already contribute the patch: > > > > http://kerneltrap.org/mailarchive/linux-scsi/2010/6/25/6885558 > > > > And, after first round review, > > The second version is here: > > http://www.spinics.net/lists/linux-scsi/msg44925.html > > > > But, I didn't see this patch merged in kernel maintain, does there have > > any problem with this patch? or actually the patch already in queue > > waiting to merge to mainline? > > > > I appreciate if can have any comment to me. > > IIRC, at the time, the problem was that nobody had the hardware and > the implementation was solely based on the specification only. I > didn't want it to go in without any actual testing, so it was put on > hold for the time being. Do you have access to a device with zsero > power support? If so, are you willing to test the implementation? > Got it! I will do the testing if I get hardware can support this function. > Hmmm... at the same time, I'm a little bit doubtful about its > usefulness. How much power does it save? Furthermore, ODDs are often I am not sure how many watts can be save, it's need use 2-channel power meter or NetDAQ to verify. I know how to do that, just need the sample machine. > omitted on mobile devices these days. So, I have a slight reluctance > against including it but if the implementation is clean enough and > there is enough benefits it shouldn't be too difficult to overcome. Fully understood! Thank's a lot! Joey Lee -- 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
