diff options
| -rw-r--r-- | drivers/irqchip/irq-mbigen.c | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/drivers/irqchip/irq-mbigen.c b/drivers/irqchip/irq-mbigen.c index c01ab4100f9a..37564084ce84 100644 --- a/drivers/irqchip/irq-mbigen.c +++ b/drivers/irqchip/irq-mbigen.c @@ -236,27 +236,15 @@ static struct irq_domain_ops mbigen_domain_ops = { .free = irq_domain_free_irqs_common, }; -static int mbigen_device_probe(struct platform_device *pdev) +static int mbigen_of_create_domain(struct platform_device *pdev, + struct mbigen_device *mgn_chip) { - struct mbigen_device *mgn_chip; + struct device *parent; struct platform_device *child; struct irq_domain *domain; struct device_node *np; - struct device *parent; - struct resource *res; u32 num_pins; - mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL); - if (!mgn_chip) - return -ENOMEM; - - mgn_chip->pdev = pdev; - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - mgn_chip->base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mgn_chip->base)) - return PTR_ERR(mgn_chip->base); - for_each_child_of_node(pdev->dev.of_node, np) { if (!of_property_read_bool(np, "interrupt-controller")) continue; @@ -280,6 +268,31 @@ static int mbigen_device_probe(struct platform_device *pdev) return -ENOMEM; } + return 0; +} + +static int mbigen_device_probe(struct platform_device *pdev) +{ + struct mbigen_device *mgn_chip; + struct resource *res; + int err; + + mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL); + if (!mgn_chip) + return -ENOMEM; + + mgn_chip->pdev = pdev; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mgn_chip->base = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (IS_ERR(mgn_chip->base)) + return PTR_ERR(mgn_chip->base); + + err = mbigen_of_create_domain(pdev, mgn_chip); + if (err) + return err; + platform_set_drvdata(pdev, mgn_chip); return 0; } |