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Diffstat (limited to 'arch/mips/pci/pci-rt3883.c')
-rw-r--r--arch/mips/pci/pci-rt3883.c22
1 files changed, 9 insertions, 13 deletions
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c
index c48e23cf5b5e..14454ece485d 100644
--- a/arch/mips/pci/pci-rt3883.c
+++ b/arch/mips/pci/pci-rt3883.c
@@ -102,14 +102,12 @@ static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc,
unsigned func, unsigned reg)
{
u32 address;
- u32 ret;
address = rt3883_pci_get_cfgaddr(bus, slot, func, reg);
rt3883_pci_w32(rpc, address, RT3883_PCI_REG_CFGADDR);
- ret = rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA);
- return ret;
+ return rt3883_pci_r32(rpc, RT3883_PCI_REG_CFGDATA);
}
static void rt3883_pci_write_cfg32(struct rt3883_pci_controller *rpc,
@@ -140,10 +138,9 @@ static void rt3883_pci_irq_handler(struct irq_desc *desc)
}
while (pending) {
- unsigned irq, bit = __ffs(pending);
+ unsigned bit = __ffs(pending);
- irq = irq_find_mapping(rpc->irq_domain, bit);
- generic_handle_irq(irq);
+ generic_handle_domain_irq(rpc->irq_domain, bit);
pending &= ~BIT(bit);
}
@@ -211,9 +208,10 @@ static int rt3883_pci_irq_init(struct device *dev,
rt3883_pci_w32(rpc, 0, RT3883_PCI_REG_PCIENA);
rpc->irq_domain =
- irq_domain_add_linear(rpc->intc_of_node, RT3883_PCI_IRQ_COUNT,
- &rt3883_pci_irq_domain_ops,
- rpc);
+ irq_domain_create_linear(of_fwnode_handle(rpc->intc_of_node),
+ RT3883_PCI_IRQ_COUNT,
+ &rt3883_pci_irq_domain_ops,
+ rpc);
if (!rpc->irq_domain) {
dev_err(dev, "unable to add IRQ domain\n");
return -ENODEV;
@@ -407,7 +405,6 @@ static int rt3883_pci_probe(struct platform_device *pdev)
struct rt3883_pci_controller *rpc;
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
- struct resource *res;
struct device_node *child;
u32 val;
int err;
@@ -417,14 +414,13 @@ static int rt3883_pci_probe(struct platform_device *pdev)
if (!rpc)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- rpc->base = devm_ioremap_resource(dev, res);
+ rpc->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(rpc->base))
return PTR_ERR(rpc->base);
/* find the interrupt controller child node */
for_each_child_of_node(np, child) {
- if (of_get_property(child, "interrupt-controller", NULL)) {
+ if (of_property_read_bool(child, "interrupt-controller")) {
rpc->intc_of_node = child;
break;
}