On Thu, Nov 06, 2025 at 12:36:39PM -0600, Bjorn Helgaas wrote:
> +++ b/drivers/pci/quirks.c
> @@ -2525,6 +2525,18 @@ static void quirk_disable_aspm_l0s_l1(struct pci_dev
> *dev)
> */
> DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x1080,
> quirk_disable_aspm_l0s_l1);
>
> +/*
> + * Remove ASPM L0s and L1 support from cached copy of Link Capabilities so
> + * aspm.c won't try to enable them.
> + */
> +static void quirk_disable_aspm_l0s_l1_cap(struct pci_dev *dev)
> +{
> + dev->lnkcap &= ~PCI_EXP_LNKCAP_ASPM_L0S;
> + dev->lnkcap &= ~PCI_EXP_LNKCAP_ASPM_L1;
> + pci_info(dev, "ASPM: L0s L1 removed from Link Capabilities to work
> around device defect\n");
> +}
> +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_FREESCALE, 0x0451,
> quirk_disable_aspm_l0s_l1_cap);
> +
Hm, I liked the nice generic pcie_aspm_disable_cap() helper that
you had in this earlier version:
https://lore.kernel.org/all/20251105220925.GA1926619@bhelgaas/
Thanks,
Lukas
