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

From: Niklas Cassel
Date: Fri Jun 07 2024 - 05:22:33 EST


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@xxxxxxxxxx>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@xxxxxxxxxx>
> ---
> 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.