On Mon, 2009-11-30 at 17:04 +1100, Benjamin Herrenschmidt wrote: > So pata_macio is starting to look good, it even suspends and resumes on > a couple of test laptops, now is time to sort out the last piece of the > puzzle, which is the hotplug media-bay. > > The old code use to call directly into drivers/ide ide_port_scan() > etc... from within the mediabay driver. Pretty filthy. > > I'm changing that to something that's even simpler: the macio_driver > gets a new callback for plug/unplug events from the bay, so it will be > easy to keep the old driver do whatever drivers/ide cruft it wants > locally and do something different in libata. > > Now, for libata, I haven't totally figured out what to do though. > > It seems like when the state "changes", I can do something like ahci and > call ata_ehi_hotplugged() followed by something like ata_port_freeze() > to kick the EH... at least that's my rough understanding. One idea that comes to mind (I will try hacking something later today) is to make ata_link_online() and ata_link_offline() use optional hooks in the port ops so my driver can replace them instead of using the SATA PHY stuff. Would that fly ? Cheers, Ben. -- 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
