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path: root/drivers/pci/controller/dwc/pcie-designware-plat.c
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Diffstat (limited to 'drivers/pci/controller/dwc/pcie-designware-plat.c')
-rw-r--r--drivers/pci/controller/dwc/pcie-designware-plat.c70
1 files changed, 3 insertions, 67 deletions
diff --git a/drivers/pci/controller/dwc/pcie-designware-plat.c b/drivers/pci/controller/dwc/pcie-designware-plat.c
index e3e300669ed5..9b397c807261 100644
--- a/drivers/pci/controller/dwc/pcie-designware-plat.c
+++ b/drivers/pci/controller/dwc/pcie-designware-plat.c
@@ -33,25 +33,7 @@ struct dw_plat_pcie_of_data {
static const struct of_device_id dw_plat_pcie_of_match[];
-static int dw_plat_pcie_host_init(struct pcie_port *pp)
-{
- struct dw_pcie *pci = to_dw_pcie_from_pp(pp);
-
- dw_pcie_setup_rc(pp);
- dw_pcie_wait_for_link(pci);
- dw_pcie_msi_init(pp);
-
- return 0;
-}
-
-static void dw_plat_set_num_vectors(struct pcie_port *pp)
-{
- pp->num_vectors = MAX_MSI_IRQS;
-}
-
static const struct dw_pcie_host_ops dw_plat_pcie_host_ops = {
- .host_init = dw_plat_pcie_host_init,
- .set_num_vectors = dw_plat_set_num_vectors,
};
static int dw_plat_pcie_establish_link(struct dw_pcie *pci)
@@ -122,12 +104,7 @@ static int dw_plat_add_pcie_port(struct dw_plat_pcie *dw_plat_pcie,
if (pp->irq < 0)
return pp->irq;
- if (IS_ENABLED(CONFIG_PCI_MSI)) {
- pp->msi_irq = platform_get_irq(pdev, 0);
- if (pp->msi_irq < 0)
- return pp->msi_irq;
- }
-
+ pp->num_vectors = MAX_MSI_IRQS;
pp->ops = &dw_plat_pcie_host_ops;
ret = dw_pcie_host_init(pp);
@@ -139,43 +116,11 @@ static int dw_plat_add_pcie_port(struct dw_plat_pcie *dw_plat_pcie,
return 0;
}
-static int dw_plat_add_pcie_ep(struct dw_plat_pcie *dw_plat_pcie,
- struct platform_device *pdev)
-{
- int ret;
- struct dw_pcie_ep *ep;
- struct resource *res;
- struct device *dev = &pdev->dev;
- struct dw_pcie *pci = dw_plat_pcie->pci;
-
- ep = &pci->ep;
- ep->ops = &pcie_ep_ops;
-
- pci->dbi_base2 = devm_platform_ioremap_resource_byname(pdev, "dbi2");
- if (IS_ERR(pci->dbi_base2))
- return PTR_ERR(pci->dbi_base2);
-
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "addr_space");
- if (!res)
- return -EINVAL;
-
- ep->phys_base = res->start;
- ep->addr_size = resource_size(res);
-
- ret = dw_pcie_ep_init(ep);
- if (ret) {
- dev_err(dev, "Failed to initialize endpoint\n");
- return ret;
- }
- return 0;
-}
-
static int dw_plat_pcie_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct dw_plat_pcie *dw_plat_pcie;
struct dw_pcie *pci;
- struct resource *res; /* Resource from DT */
int ret;
const struct of_device_id *match;
const struct dw_plat_pcie_of_data *data;
@@ -202,14 +147,6 @@ static int dw_plat_pcie_probe(struct platform_device *pdev)
dw_plat_pcie->pci = pci;
dw_plat_pcie->mode = mode;
- res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dbi");
- if (!res)
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
- pci->dbi_base = devm_ioremap_resource(dev, res);
- if (IS_ERR(pci->dbi_base))
- return PTR_ERR(pci->dbi_base);
-
platform_set_drvdata(pdev, dw_plat_pcie);
switch (dw_plat_pcie->mode) {
@@ -225,9 +162,8 @@ static int dw_plat_pcie_probe(struct platform_device *pdev)
if (!IS_ENABLED(CONFIG_PCIE_DW_PLAT_EP))
return -ENODEV;
- ret = dw_plat_add_pcie_ep(dw_plat_pcie, pdev);
- if (ret < 0)
- return ret;
+ pci->ep.ops = &pcie_ep_ops;
+ return dw_pcie_ep_init(&pci->ep);
break;
default:
dev_err(dev, "INVALID device type %d\n", dw_plat_pcie->mode);