Re: [PATCH v1 1/2] PCI: dwc: Invoke post_init in dw_pcie_resume_noirq()

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On Wed, Aug 20, 2025 at 04:10:47PM +0800, Richard Zhu wrote:
> If the ops has post_init callback, invoke it in dw_pcie_resume_noirq().

Can you briefly explain why .post_init() is required here?  Bread
crumbs about the purpose of .post_init() will help other driver
writers (and me!)

> Signed-off-by: Richard Zhu <hongxing.zhu@xxxxxxx>
> ---
>  drivers/pci/controller/dwc/pcie-designware-host.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-designware-host.c b/drivers/pci/controller/dwc/pcie-designware-host.c
> index 952f8594b5012..f24f4cd5c278f 100644
> --- a/drivers/pci/controller/dwc/pcie-designware-host.c
> +++ b/drivers/pci/controller/dwc/pcie-designware-host.c
> @@ -1079,6 +1079,9 @@ int dw_pcie_resume_noirq(struct dw_pcie *pci)
>  	if (ret)
>  		return ret;
>  
> +	if (pci->pp.ops->post_init)
> +		pci->pp.ops->post_init(&pci->pp);
> +
>  	return ret;
>  }
>  EXPORT_SYMBOL_GPL(dw_pcie_resume_noirq);
> -- 
> 2.37.1
> 




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