[PATCH 4/5] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle Link Down event

Niklas Cassel cassel at kernel.org
Fri Jun 7 19:22:07 AEST 2024


On Thu, Jun 06, 2024 at 12:56:37PM +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.
> 
> Reviewed-by: Niklas Cassel <cassel at kernel.org>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam at linaro.org>
> ---
>  drivers/pci/controller/dwc/pcie-qcom-ep.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pci/controller/dwc/pcie-qcom-ep.c b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> index 2324e56c9bfc..02a2a871a91f 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> @@ -641,7 +641,7 @@ static irqreturn_t qcom_pcie_ep_global_irq_thread(int irq, void *data)
>  	if (FIELD_GET(PARF_INT_ALL_LINK_DOWN, status)) {
>  		dev_dbg(dev, "Received Linkdown event\n");
>  		pcie_ep->link_status = QCOM_PCIE_EP_LINK_DOWN;
> -		pci_epc_linkdown(pci->ep.epc);
> +		dw_pcie_ep_linkdown(&pci->ep);
>  	} else if (FIELD_GET(PARF_INT_ALL_BME, status)) {
>  		dev_dbg(dev, "Received Bus Master Enable event\n");
>  		pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;
> 
> -- 
> 2.25.1
> 

Like Siddharth reported, this patch is already in pci/next.


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