Re: [PATCH 2/3] ide: fix drive_is_ready() for non-PCI hosts and CONFIG_IDEPCI_SHARE_IRQ=y

[Jeff Garzik]

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.

	Jeff



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