On Thu, 16 Feb 2012 17:04:22 +0200 "Michael S. Tsirkin" <mst@xxxxxxxxxx> wrote: > I have a box where shpc works fine with acpi, > as well as when acpi is not built into kernel, > but fails with acpi=off > Some debugging seems to indicate that > acpi_get_hp_hw_control_from_firmware > fails with acpi=off. > > Is this a bug or is there a reason to prevent shpc > from working in this setup? > Do we even care about acpi=off? > Assuming we want to make acpi_get_hp_hw_control_from_firmware > succeed with acpi=off, what is the best way to do this? > Check acpi_pci_disabled? Yeah not sure it's important to have SHPC work with acpi=off. Disabling ACPI prevents us from getting all sorts of important info these days... -- Jesse Barnes, Intel Open Source Technology Center
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