Re: [PATCH v9 09/10] PCI: qcom-ep: Use the generic dw_pcie_ep_linkdown() API to handle LINK_DOWN event

Niklas Cassel
2024-03-07T21:44:02Z

On Mon, Mar 04, 2024 at 02:52:21PM +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.
>
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@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 2fb8c15e7a91..4e45bc4bca45 100644
> --- a/drivers/pci/controller/dwc/pcie-qcom-ep.c
> +++ b/drivers/pci/controller/dwc/pcie-qcom-ep.c
> @@ -640,7 +640,7 @@ 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 BME event. Link is enabled!\n");
> pcie_ep->link_status = QCOM_PCIE_EP_LINK_ENABLED;
>
> --
> 2.25.1
>

Reviewed-by: Niklas Cassel <cassel@kernel.org>