Re: [RFT][PATCH] PCI / ACPI: Do not require MSI support for PCIe native features

From: Rafael J. Wysocki
Date: Mon Mar 14 2011 - 16:37:42 EST


On Monday, March 14, 2011, Sarah Sharp wrote:
> On Mon, Mar 14, 2011 at 09:02:11PM +0100, Rafael J. Wysocki wrote:
> > On Monday, March 14, 2011, Sarah Sharp wrote:
> > > Hi Rafael,
> > >
> > > I applied this patch, on top of this patch:
> > > PCI/ACPI: Report ASPM support to BIOS if not disabled from command line
> > >
> > > Unfortunately, the Express Card still doesn't show up. The trace looks
> > > slightly different, but the irq still gets disabled. dmesg is attached.
> >
> > Hmm. It looks like, for some reason, the check against
> > pcie_aspm_support_enabled() returns false on your system. Do you have
> > ASPM enabled in .config?
>
> My .config is attached. Looks like CONFIG_PCIEASPM=y.

Does it help if you replace "pcie_aspm_support_enabled()" with "true" in
drivers/acpi/pci_root.c:acpi_pci_root_add() ?

Rafael
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