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| author | Kefeng Wang <wangkefeng.wang@huawei.com> | 2017-03-07 20:40:09 +0800 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2017-04-07 10:52:20 +0100 |
| commit | 76e1f77f9c26ec96ce58f46cc74ad07c731bd7ba (patch) | |
| tree | bef8b546ecce5fdd82ddc3a9bdf39446c484d25d /drivers/irqchip/irq-mbigen.c | |
| parent | 2911c6d961b35fceaf1fdede3c55e11dc3423be1 (diff) | |
| download | linux-76e1f77f9c26ec96ce58f46cc74ad07c731bd7ba.tar.gz linux-76e1f77f9c26ec96ce58f46cc74ad07c731bd7ba.tar.bz2 linux-76e1f77f9c26ec96ce58f46cc74ad07c731bd7ba.zip | |
irqchip/mbigen: Introduce mbigen_of_create_domain()
Introduce mbigen_of_create_domain() to consolidate OF related
code and prepare for ACPI later, no funtional change.
Signed-off-by: Kefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: Hanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: Ma Jun <majun258@huawei.com>
Tested-by: Ming Lei <ming.lei@canonical.com>
Tested-by: Wei Xu <xuwei5@hisilicon.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'drivers/irqchip/irq-mbigen.c')
| -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; } |