Thanks your reply Tejun, i would try it ^__^. Before that, Could i ask a question that had you ever try to using port multiplier(sil 3726 or marvel 4140) with 6121/6145 succefully(with ahci.c) ? Thanks. 2008/7/31 Tejun Heo <tj@xxxxxxxxxx>: > Tejun Heo wrote: >> KueiHuan Chen wrote: >>> Hello, >>> >>> We got some problem while evaluation port multipiler with libata, we >>> had tested with two sata chip, one is sil-3132, the another is Marvell >>> 6121. And we also have two port multiplie: Marvell 4140 and Sil-3726. >>> Our kernel version is kernel-2.6.24 with Marvell 5281 platform. >>> >>> Testing result: >>> >>> Sil 3132 with 3726 and 4140: everything looks like fine. >>> >>> Marvell 6121 with 3726 and 4140(using ahci.c): both port multipiler >>> would got problem. It can't be detected whether hotplug or at boot time. >>> But the disk detection is fine without port multiplier. >>> >>> Because we can't upgrade kernel to latest version so quickly, is there >>> any hint or solution for us ? >> >> mv PMP support was added very recently. 2.6.26 has it. > > Heh.. didn't read the last line. If you can't upgrade the kernel, > you'll need to backport. We had to fix core PMP support quite a bit to > get mv working, so you'll need to backport whole libata, which usually > isn't too difficult. Someone knowledgeable would be able to pull it in > a few days but if you don't know what you're doing it can be pretty > hairy. :-) > > -- > tejun > -- --- Thanks, KueiHuan-Chen -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
