Re: [PATCH v3 4/7] ARM: mediatek: Add sysirq interrupt polarity support

On Thursday 09 October 2014 22:29:37 Joe. C wrote:

+static int __init mtk_sysirq_of_init(struct device_node *node,
+				   struct device_node *parent)
+{
+	struct device_node *parent_node;
+	struct irq_domain *domain, *domain_parent = NULL;
+	struct mt_sysirq_chip_data *chip_data;
+	int ret = 0;
+
+	parent_node = of_irq_find_parent(node);
+	if (parent_node) {
+		domain_parent = irq_find_host(parent_node);
+		of_node_put(parent_node);
+	}

Just a small comment: I think the 'parent' argument to the function
already contains the device node you are looking up here, so
no need for the second variable or _find_parent call.

This means you can also drop the  = NULL assignment for the
domain.

	Arnd