Bjorn Helgaas wrote: > I'm curious about how this works. I disassembled the DSDT from > http://bugzilla.kernel.org/show_bug.cgi?id=4773 (I attached the disassembly > at http://bugzilla.kernel.org/attachment.cgi?id=15448&action=view), and > the _PRT contains "_SB" and "ISA" (no trailing underscores): > > Package (0x04) > { > 0x000DFFFF, > 0x00, > \_SB.PCI0.ISA.LNKA, > 0x00 > } > > But by the time we get to acpi_pci_irq_add_entry(), we've added the > underscores somewhere (see > http://bugzilla.kernel.org/attachment.cgi?id=15423&action=view): > > 0000:00:0d[A] -> \_SB_.PCI0.ISA_.LNKA > > I don't know where this happens, but it certainly confused me, and > it seems like it could lead to other bugs. > ACPI is supposed to add trailing underscore for pad all names to 4 bytes. So ISA will be padded to ISA_. Regards, Alex. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
