On 01/14/2011 05:10 PM, Bjorn Helgaas wrote: > On Friday, January 14, 2011 03:31:16 am Jiri Slaby wrote: >> On 01/14/2011 01:15 AM, Linus Torvalds wrote: >>> On Thu, Jan 13, 2011 at 3:19 PM, Bjorn Helgaas <bjorn.helgaas@xxxxxx> wrote: >>>> >>>> I think we're back to the question of why we have the ICH4 quirk in >>>> the first place, and I don't know the answer to that. >>> >>> Iirc, there were several laptops that didn't have the ACPI region >>> mentioned in any of the regular places, and we'd allocate the PCMCIA >>> IO region on top of them. The machine would boot, but if anybody ever >>> inserted a PCCard into the machine, the first access to the IO region >>> would generally just halt it (because it was trying to read the >>> PCCard, but the APCI region decodes first, and then the read from that >>> usually put the CPU in a sleep state that it would never wake up from >>> for obvious reasons). >>> >>> So we do want the ICH4 quirk. >> >> Yes, this is an "official" way how ICH4 (and later) advertises the region. > > The quirk is a bug workaround, *not* the "official, planned" way to > deal with these regions. The official way is to use ACPI, because > that's a generic way that doesn't require changes for new versions > of ICH. Ok, I understand that. For non-ACPI setups this is probably the only place to look at. Anyway, has anybody had a chance to look at the patches? Any comments, nacks/acks? https://lkml.org/lkml/2011/1/14/115 https://lkml.org/lkml/2011/1/14/113 https://lkml.org/lkml/2011/1/14/114 thanks, -- js -- 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
