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

Message ID 20240304-pci-dbi-rework-v9-9-29d433d99cda@linaro.org (mailing list archive)
State Superseded
Headers show
Series PCI: dwc: ep: Fix DBI access failure for drivers requiring refclk from host | expand

Commit Message

Manivannan Sadhasivam March 4, 2024, 9:22 a.m. UTC 
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(-)

Comments

Niklas Cassel March 7, 2024, 9:43 p.m. UTC | #1 
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>
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Patch

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;