Mark Lord wrote: >> Heh... I never thought a PMP aware controller would use TF SRST, so what >> you want to do is set pmp value in the register and calling >> ata_std_softreset(), right? I think the correct thing to do is to >> separate out SRST sequence proper from ata_std_softreset() into, say, >> ata_sff_SRST() and build custom softreset around it. After all, the >> problem here is the reset sequence not the SCR access. > .. > > Actually, I believe the problem *is* the (pmp) SCR access. > The same issue will return again when trying to support hotplug, for > example. Can you elaborate a bit? > Any SCR access will steal the active pmp on such hosts. > > I think we really do need to snoop those, somehow. Adding ->sata_pmp_scr_read/write should do but I wanna avoid that if possible. Thanks. -- tejun - 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
