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Commit 76e1f77f authored by Kefeng Wang's avatar Kefeng Wang Committed by Marc Zyngier
Browse files

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: default avatarKefeng Wang <wangkefeng.wang@huawei.com>
Signed-off-by: default avatarHanjun Guo <hanjun.guo@linaro.org>
Reviewed-by: default avatarMa Jun <majun258@huawei.com>
Tested-by: default avatarMing Lei <ming.lei@canonical.com>
Tested-by: default avatarWei Xu <xuwei5@hisilicon.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: default avatarMarc Zyngier <marc.zyngier@arm.com>
parent 2911c6d9

drivers/irqchip/irq-mbigen.c

+28 −15
Original line number Diff line number Diff line
@@ -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;

}