diff options
Diffstat (limited to 'arch/mips/pci/pci-rt3883.c')
| -rw-r--r-- | arch/mips/pci/pci-rt3883.c | 33 |
1 files changed, 12 insertions, 21 deletions
diff --git a/arch/mips/pci/pci-rt3883.c b/arch/mips/pci/pci-rt3883.c index 0ac6346026d0..14454ece485d 100644 --- a/arch/mips/pci/pci-rt3883.c +++ b/arch/mips/pci/pci-rt3883.c @@ -13,6 +13,7 @@ #include <linux/init.h> #include <linux/delay.h> #include <linux/interrupt.h> +#include <linux/irqdomain.h> #include <linux/of.h> #include <linux/of_irq.h> #include <linux/of_pci.h> @@ -100,23 +101,19 @@ static u32 rt3883_pci_read_cfg32(struct rt3883_pci_controller *rpc, unsigned bus, unsigned slot, unsigned func, unsigned reg) { - unsigned long flags; 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, unsigned bus, unsigned slot, unsigned func, unsigned reg, u32 val) { - unsigned long flags; u32 address; address = rt3883_pci_get_cfgaddr(bus, slot, func, reg); @@ -141,10 +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); } @@ -212,9 +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; @@ -229,7 +226,6 @@ static int rt3883_pci_config_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *val) { struct rt3883_pci_controller *rpc; - unsigned long flags; u32 address; u32 data; @@ -263,7 +259,6 @@ static int rt3883_pci_config_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 val) { struct rt3883_pci_controller *rpc; - unsigned long flags; u32 address; u32 data; @@ -410,7 +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; @@ -420,14 +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; } @@ -435,8 +428,7 @@ static int rt3883_pci_probe(struct platform_device *pdev) if (!rpc->intc_of_node) { dev_err(dev, "%pOF has no %s child node", - rpc->intc_of_node, - "interrupt controller"); + np, "interrupt controller"); return -EINVAL; } @@ -450,8 +442,7 @@ static int rt3883_pci_probe(struct platform_device *pdev) if (!rpc->pci_controller.of_node) { dev_err(dev, "%pOF has no %s child node", - rpc->intc_of_node, - "PCI host bridge"); + np, "PCI host bridge"); err = -EINVAL; goto err_put_intc_node; } |