On Thursday 15 February 2007 22:15, Corey Minyard wrote: > Bjorn Helgaas wrote: > > On Saturday 10 February 2007 21:27, Len Brown wrote: > > > >> acpi_find_bmc() appears to be searching for > >> multiple SPMI tables in the RSDT and running > >> try_init_acpi() on each of them > >> until it doesn't find any more. > >> > > > > I can't remember why we look at the SPMI table(s) rather than > > registering a normal ACPI (or even PNP) driver. Unless we > > need to poke the BMC very early, wouldn't it be better to > > rely on the device description in the namespace? > > > For some strange reason the normal ACPI information does not > have all the information needed by the driver. It doesn't have > register size or spacing information. I guess that would be a defect in the way ACPI is being used, wouldn't it? A PNP ID should define the device programming model, including things like register size and spacing. It sounds like somebody didn't define a new PNP ID when he should have. I wonder whether it's worth trying to fix this. Bjorn - To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html