On Thu, 25 Oct 2007 20:42:16 -0400 Jeff Garzik <jeff@xxxxxxxxxx> wrote: > Alan Cox wrote: > > On Fri, 26 Oct 2007 01:36:37 +0200 > > Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> wrote: > > > >> Need to check if the host is a PCI one before reading IDE_ALTSTATUS_REG. > >> > >> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@xxxxxxxxx> > > > > Umm why ? The altstatus register goes back to ST-506 and the original IBM > > XT hard disk controller card ? > > I'm pretty sure there are at least a few controllers out there where the > AltStatus/Control register block is simply non-existent. One or two of the commode Amiga controllers did this. Makes error recovery rather interesting. The register itself is however present even on things like the WD10xx devices. Alan - 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
