Re: [PATCH RFC v1 0/3] PCI: EPC: Add support to wake up host from D3 states

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On Wed, Jun 14, 2023 at 08:30:46PM +0530, Krishna chaitanya chundru wrote:
> Here we propose this patch series to add support in PCI endpoint
> driver to wake up host from D3 states.
> 
> As endpoint cannot send any data/MSI when the device state is in
> D3cold or D3hot. Endpoint needs to bring the device back to D0
> to send any kind of data.
> 
> For this endpoint needs to send inband PME the device is in D3hot or
> toggle wake when the device is D3 cold.
> 
> Comments and suggestions are welcome.
> 

As Kishon noted, you should also submit the EPF change to justify the API
addition.

- Mani

> Krishna chaitanya chundru (3):
>   PCI: endpoint: Add wakeup host API to EPC core
>   pci: dwc: Add wakeup host op to pci_epc_ops
>   PCI: qcom: ep: Add wake up host op to dw_pcie_ep_ops
> 
>  drivers/pci/controller/dwc/pcie-designware-ep.c | 11 ++++++++
>  drivers/pci/controller/dwc/pcie-designware.h    |  2 ++
>  drivers/pci/controller/dwc/pcie-qcom-ep.c       | 34 +++++++++++++++++++++++++
>  drivers/pci/endpoint/pci-epc-core.c             | 29 +++++++++++++++++++++
>  include/linux/pci-epc.h                         |  3 +++
>  5 files changed, 79 insertions(+)
> 
> -- 
> 2.7.4
> 

-- 
மணிவண்ணன் சதாசிவம்



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