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SubjectRe: [PATCH v2 3/4] PCI: Disable ACS SV capability for the broken IDT switches
On Tue, Dec 02, 2025 at 07:52:50PM +0530, Manivannan Sadhasivam wrote:
> @@ -544,6 +544,7 @@ struct pci_dev {
> #endif
> u16 acs_cap; /* ACS Capability offset */
> u16 acs_capabilities; /* ACS Capabilities */
> + u16 acs_broken_cap; /* Broken ACS Capabilities */

Why do we need this? Have the quirk function accep tthe
acs_capabilities from the register and return the value to program
into struct pci_dev ?

Jason

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