From patchwork series 400634

https://patchwork.ozlabs.org//project/linuxppc-dev/list/?series=400634
linuxppc · Mar 27, 2024 · c39adc4 · c39adc4
1 parent 4db4221
commit c39adc4
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Showing 20 changed files with 338 additions and 111 deletions.
diff --git a/drivers/pci/controller/cadence/pcie-cadence-ep.c b/drivers/pci/controller/cadence/pcie-cadence-ep.c
@@ -746,6 +746,8 @@ int cdns_pcie_ep_setup(struct cdns_pcie_ep *ep)
 
 	spin_lock_init(&ep->lock);
 
+	pci_epc_init_notify(epc);
+
 	return 0;
 
  free_epc_mem:

diff --git a/drivers/pci/controller/dwc/pci-dra7xx.c b/drivers/pci/controller/dwc/pci-dra7xx.c
@@ -467,6 +467,15 @@ static int dra7xx_add_pcie_ep(struct dra7xx_pcie *dra7xx,
 		return ret;
 	}
 
+	ret = dw_pcie_ep_init_registers(ep);
+	if (ret) {
+		dev_err(dev, "Failed to initialize DWC endpoint registers\n");
+		dw_pcie_ep_deinit(ep);
+		return ret;
+	}
+
+	dw_pcie_ep_init_notify(ep);
+
 	return 0;
 }
 

diff --git a/drivers/pci/controller/dwc/pci-imx6.c b/drivers/pci/controller/dwc/pci-imx6.c
@@ -1123,6 +1123,16 @@ static int imx6_add_pcie_ep(struct imx6_pcie *imx6_pcie,
 		dev_err(dev, "failed to initialize endpoint\n");
 		return ret;
 	}
+
+	ret = dw_pcie_ep_init_registers(ep);
+	if (ret) {
+		dev_err(dev, "Failed to initialize DWC endpoint registers\n");
+		dw_pcie_ep_deinit(ep);
+		return ret;
+	}
+
+	dw_pcie_ep_init_notify(ep);
+
 	/* Start LTSSM. */
 	imx6_pcie_ltssm_enable(dev);
 

diff --git a/drivers/pci/controller/dwc/pci-keystone.c b/drivers/pci/controller/dwc/pci-keystone.c
@@ -1286,6 +1286,15 @@ static int ks_pcie_probe(struct platform_device *pdev)
 		ret = dw_pcie_ep_init(&pci->ep);
 		if (ret < 0)
 			goto err_get_sync;
+
+		ret = dw_pcie_ep_init_registers(&pci->ep);
+		if (ret) {
+			dev_err(dev, "Failed to initialize DWC endpoint registers\n");
+			goto err_ep_init;
+		}
+
+		dw_pcie_ep_init_notify(&pci->ep);
+
 		break;
 	default:
 		dev_err(dev, "INVALID device type %d\n", mode);
@@ -1295,6 +1304,8 @@ static int ks_pcie_probe(struct platform_device *pdev)
 
 	return 0;
 
+err_ep_init:
+	dw_pcie_ep_deinit(&pci->ep);
 err_get_sync:
 	pm_runtime_put(dev);
 	pm_runtime_disable(dev);

diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c b/drivers/pci/controller/dwc/pci-layerscape-ep.c
@@ -279,6 +279,15 @@ static int __init ls_pcie_ep_probe(struct platform_device *pdev)
 	if (ret)
 		return ret;
 
+	ret = dw_pcie_ep_init_registers(&pci->ep);
+	if (ret) {
+		dev_err(dev, "Failed to initialize DWC endpoint registers\n");
+		dw_pcie_ep_deinit(&pci->ep);
+		return ret;
+	}
+
+	dw_pcie_ep_init_notify(&pci->ep);
+
 	return ls_pcie_ep_interrupt_init(pcie, pdev);
 }
 

diff --git a/drivers/pci/controller/dwc/pcie-artpec6.c b/drivers/pci/controller/dwc/pcie-artpec6.c
@@ -441,7 +441,20 @@ static int artpec6_pcie_probe(struct platform_device *pdev)
 
 		pci->ep.ops = &pcie_ep_ops;
 
-		return dw_pcie_ep_init(&pci->ep);
+		ret = dw_pcie_ep_init(&pci->ep);
+		if (ret)
+			return ret;
+
+		ret = dw_pcie_ep_init_registers(&pci->ep);
+		if (ret) {
+			dev_err(dev, "Failed to initialize DWC endpoint registers\n");
+			dw_pcie_ep_deinit(&pci->ep);
+			return ret;
+		}
+
+		dw_pcie_ep_init_notify(&pci->ep);
+
+		break;
 	default:
 		dev_err(dev, "INVALID device type %d\n", artpec6_pcie->mode);
 	}