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Re: Missing ACPI PCI devices in acpi_pcidev_scan
Christoph Egger wrote:
I have a newer version of the ACPI display patch. I implemented _BCL,
_BCM and _BQC methods and it detects all device capabilities.
That's great news! I couldn't find it in -current or in the list, is it
available at some other place? I also intend to refactor the rest of my
old patch (hotkeys + brightness control on Fujitsu lifebooks). It
relied on the ACPI display patch, and I'd rather use the newer version.
I appreciate it very much if you get acpi bus scanning done.
The way you propose sounds right to me.
I'll wait a bit to let others react on that topic, and then I'll start
working on it.
Note, there's some pci bus scanning code in sys/arch/x86/x86/mpacpi.c.
Ok, thanks for the tip.
Also note, this pci bus scanning code doesn't work on machines with
more than one PCI host controllers since it ignores the _SEG method.
Could you please shed some light on what this _SEG is used for? The
ACPI spec mentions PCI segments, but these are called PCI domains in
other contexts, and I could not find any reference to this information
It's not a problem for the ACPI code, it's just that I wonder how a PCI
device (in sys/dev/pci) could know it's PCI segment/domain.
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