Re: [PATCH 5/5] PCI: layerscape-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event

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On Thu, Jun 06, 2024 at 12:56:38PM +0530, Manivannan Sadhasivam wrote:
> Now that the API is available, let's make use of it. It also handles the
> reinitialization of DWC non-sticky registers in addition to sending the
> notification to EPF drivers.
> 
> Reported-by: Bjorn Helgaas <helgaas@xxxxxxxxxx>
> Closes: https://lore.kernel.org/linux-pci/20240528195539.GA458945@bhelgaas/
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
>  drivers/pci/controller/dwc/pci-layerscape-ep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> index 35bb481564c7..a4a800699f89 100644
> --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> @@ -104,7 +104,7 @@ static irqreturn_t ls_pcie_ep_event_handler(int irq, void *dev_id)
>  		dev_dbg(pci->dev, "Link up\n");
>  	} else if (val & PEX_PF0_PME_MES_DR_LDD) {
>  		dev_dbg(pci->dev, "Link down\n");
> -		pci_epc_linkdown(pci->ep.epc);
> +		dw_pcie_ep_linkdown(&pci->ep);
>  	} else if (val & PEX_PF0_PME_MES_DR_HRD) {
>  		dev_dbg(pci->dev, "Hot reset\n");
>  	}
> 
> -- 
> 2.25.1
> 

Reviewed-by: Niklas Cassel <cassel@xxxxxxxxxx>




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