[PATCH v3] PCI: dwc: Add suspend_poweroff flag for platforms with RC power loss

[Manivannan Sadhasivam]

On Thu, 17 Sep 2026 14:33:22 +0800, hongxing.zhu at oss.nxp.com wrote:
> Some platforms like i.MX power off their PCIe RC controllers during
> system suspend, requiring full re-initialization on resume. These
> platforms need to enter L2 state to properly notify endpoints before
> power loss.
> 
> According to PCIe base spec r7.0, sec 5.2, the system software should
> transition the device into D3Hot before broadcasting the PME_Turn_Off
> message to initiate L2 entry. In practice, endpoint drivers properly
> put their devices into D3hot during the suspend flow. However, some
> wakeup-capable endpoint devices that don't support PME from D3cold
> fail the D3cold capability check in pci_host_common_d3cold_possible(),
> which currently prevents L2 entry even though the devices are already
> in the required D3hot state.
> 
> [...]

Applied, thanks!

[1/1] PCI: dwc: Add suspend_poweroff flag for platforms with RC power loss
      commit: 21a3a262d8a4dbbd4516cf4065f70178a12a0517

Best regards,
-- 
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