Messages in this thread | | | From | Linus Torvalds <> | Date | Fri, 13 Jan 2012 15:14:21 -0800 | Subject | Re: [git pull] PCI changes |
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On Fri, Jan 13, 2012 at 1:24 PM, Matthew Garrett <mjg59@srcf.ucam.org> wrote: >> >> So why is acpi_pci_root_add() special? Cna you explain that part to me? > > pcie_no_aspm() means "Do not permit ASPM to be enabled" - it doesn't > alter the existing state. pcie_clear_aspm() does that.
I *know*.
So look again.
Why is acpi_pci_root_add() special?
Because dammit, it does exactly that pcie_clear_aspm() for the ACPI_FADT_NO_ASPM case.
That was my question. Why does it do that, when the commit log (and the other users) say that ACPI_FADT_NO_ASPM means "don't touch".
It touches.
Linus
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