[PATCH v7 08/17] ACPI: pci_link: Clear the dependencies after probe

Sunil V L sunilvl at ventanamicro.com
Mon Dec 1 05:33:09 PST 2025


On Mon, Dec 01, 2025 at 09:07:55PM +0800, huyuye wrote:
> Hi, sunilvl
> 
> Based on the above patch, I understand that you previously resolved dependencies between Link devices and PCI Host Bridges by calling acpi_dev_clear_dependencies(device). I would like to ask: on RISC‑V platforms, if we need to manage dependencies between multiple PCI Host Bridges, could this be addressed by adding a call to acpi_dev_clear_dependencies(device) at the end of the acpi_pci_root_add enumeration function?
> 
> Initialization order dependencies can be defined via the ACPI _DEP method in the DSDT. For example, if host bridge B depends on host bridge A, bridge B should not be enumerated until bridge A is fully initialized.
> 
Yes, that should work.

Regards,
Sunil



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