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path: root/drivers/pci/dwc/pci-dra7xx.c
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Diffstat (limited to 'drivers/pci/dwc/pci-dra7xx.c')
-rw-r--r--drivers/pci/dwc/pci-dra7xx.c32
1 files changed, 13 insertions, 19 deletions
diff --git a/drivers/pci/dwc/pci-dra7xx.c b/drivers/pci/dwc/pci-dra7xx.c
index 587b18c38bcc..af330d723726 100644
--- a/drivers/pci/dwc/pci-dra7xx.c
+++ b/drivers/pci/dwc/pci-dra7xx.c
@@ -72,6 +72,7 @@ struct dra7xx_pcie {
int phy_count; /* DT phy-names count */
struct phy **phy;
int link_gen;
+ struct irq_domain *irq_domain;
};
#define to_dra7xx_pcie(x) container_of((x), struct dra7xx_pcie, pp)
@@ -142,14 +143,8 @@ static void dra7xx_pcie_enable_interrupts(struct dra7xx_pcie *dra7xx)
PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MAIN, INTERRUPTS);
dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQSTATUS_MSI,
~LEG_EP_INTERRUPTS & ~MSI);
-
- if (IS_ENABLED(CONFIG_PCI_MSI))
- dra7xx_pcie_writel(dra7xx,
- PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI, MSI);
- else
- dra7xx_pcie_writel(dra7xx,
- PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI,
- LEG_EP_INTERRUPTS);
+ dra7xx_pcie_writel(dra7xx, PCIECTRL_DRA7XX_CONF_IRQENABLE_SET_MSI,
+ MSI | LEG_EP_INTERRUPTS);
}
static void dra7xx_pcie_host_init(struct pcie_port *pp)
@@ -164,8 +159,7 @@ static void dra7xx_pcie_host_init(struct pcie_port *pp)
dw_pcie_setup_rc(pp);
dra7xx_pcie_establish_link(dra7xx);
- if (IS_ENABLED(CONFIG_PCI_MSI))
- dw_pcie_msi_init(pp);
+ dw_pcie_msi_init(pp);
dra7xx_pcie_enable_interrupts(dra7xx);
}
@@ -190,6 +184,7 @@ static const struct irq_domain_ops intx_domain_ops = {
static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp)
{
struct device *dev = pp->dev;
+ struct dra7xx_pcie *dra7xx = to_dra7xx_pcie(pp);
struct device_node *node = dev->of_node;
struct device_node *pcie_intc_node = of_get_next_child(node, NULL);
@@ -198,9 +193,9 @@ static int dra7xx_pcie_init_irq_domain(struct pcie_port *pp)
return -ENODEV;
}
- pp->irq_domain = irq_domain_add_linear(pcie_intc_node, 4,
- &intx_domain_ops, pp);
- if (!pp->irq_domain) {
+ dra7xx->irq_domain = irq_domain_add_linear(pcie_intc_node, 4,
+ &intx_domain_ops, pp);
+ if (!dra7xx->irq_domain) {
dev_err(dev, "Failed to get a INTx IRQ domain\n");
return -ENODEV;
}
@@ -224,7 +219,8 @@ static irqreturn_t dra7xx_pcie_msi_irq_handler(int irq, void *arg)
case INTB:
case INTC:
case INTD:
- generic_handle_irq(irq_find_mapping(pp->irq_domain, ffs(reg)));
+ generic_handle_irq(irq_find_mapping(dra7xx->irq_domain,
+ ffs(reg)));
break;
}
@@ -310,11 +306,9 @@ static int __init dra7xx_add_pcie_port(struct dra7xx_pcie *dra7xx,
return ret;
}
- if (!IS_ENABLED(CONFIG_PCI_MSI)) {
- ret = dra7xx_pcie_init_irq_domain(pp);
- if (ret < 0)
- return ret;
- }
+ ret = dra7xx_pcie_init_irq_domain(pp);
+ if (ret < 0)
+ return ret;
res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "rc_dbics");
pp->dbi_base = devm_ioremap(dev, res->start, resource_size(res));