Messages in this thread |  | | | Date | Wed, 1 Nov 2006 21:46:33 -0700 | | From | Grant Grundler <> | | Subject | Re: [PATCH]: PCI Error Recovery: Symbios SCSI device driver |
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On Tue, Oct 31, 2006 at 05:13:34PM -0600, Linas Vepstas wrote: ... > > Though, since INB and INW will return 0xff and 0xffff, why not use that > > as our test rather than using a counter? > > Right. I wanted to avoid checking for specific values, > as that vaguely seemed more robust; the direct check is easier.
ISTR some chipsets return 0 or the most recent data on the bus when INB/INW master-abort. Maybe this an ISA bus behavior?
Or is config space access the only space which behaves this way for master abort on PCI? I'm looking at drivers/pci/probe.c:pci_scan_device().
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