On Tue, Aug 24, 2004 at 03:58:42PM -0600, Alex Williamson wrote: > On Wed, 2004-07-14 at 17:05 -0700, Greg KH wrote: > > > <orange:fobie.net>: > > o I2C: patch quirks.c - SMBus hidden on hp laptop > > This particular patch, along w/ the new 20040715 ACPI drop has made > my nc6000 laptop unusable. The problem is we're exposing a device that > firmware considers hidden. The new motherboard driver in ACPI goes out > and tries to claim resources to prevent them from being stepped on. It > rightfully considers the hidden SMBus device a motherboard resource. > The PCI code then stumbles onto this device, sees that the BAR it's > using is unavailable and moves it somewhere else in the address space. > At this point, I lose two for the three thermal zones on the laptop > because the AML that deals with them assumes they haven't moved. > > I'm not sure what the point on un-hiding this devices it. ACPI sets > up an OpRegion to access this device and should have exclusive access to > that region. Letting a sensor driver poke at it may be fun, but I'd > rather not fry my laptop. Can we drop the un-hiding of the SMBus for > this laptop (probably the nc8000 too), or is there some way to make the > ACPI motherboard driver and this quirk live together? Thanks, See the bugzilla.kernel.org bug #3191 for more information. If someone can come up with a patch that works for everyone, I'll be glad to apply it. thanks, greg k-h
