genirq: Introduce helper irq_domain_set_info() to reduce duplicated code

Signed-off-by: Jiang Liu <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Grant Likely <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Yingjoe Chen <[email protected]> Cc: Yijing Wang <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]>
makiko-fly · Nov 23, 2014 · 1b53770 · 1b53770
1 parent 75ffc00
commit 1b53770
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diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
@@ -33,6 +33,7 @@
 #define _LINUX_IRQDOMAIN_H
 
 #include <linux/types.h>
+#include <linux/irqhandler.h>
 #include <linux/radix-tree.h>
 
 struct device_node;
@@ -273,6 +274,10 @@ extern int irq_domain_set_hwirq_and_chip(struct irq_domain *domain,
 					 irq_hw_number_t hwirq,
 					 struct irq_chip *chip,
 					 void *chip_data);
+extern void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
+				irq_hw_number_t hwirq, struct irq_chip *chip,
+				void *chip_data, irq_flow_handler_t handler,
+				void *handler_data, const char *handler_name);
 extern void irq_domain_reset_irq_data(struct irq_data *irq_data);
 extern void irq_domain_free_irqs_common(struct irq_domain *domain,
 					unsigned int virq,

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
@@ -890,6 +890,27 @@ int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, unsigned int virq,
 	return 0;
 }
 
+/**
+ * irq_domain_set_info - Set the complete data for a @virq in @domain
+ * @domain:		Interrupt domain to match
+ * @virq:		IRQ number
+ * @hwirq:		The hardware interrupt number
+ * @chip:		The associated interrupt chip
+ * @chip_data:		The associated interrupt chip data
+ * @handler:		The interrupt flow handler
+ * @handler_data:	The interrupt flow handler data
+ * @handler_name:	The interrupt handler name
+ */
+void irq_domain_set_info(struct irq_domain *domain, unsigned int virq,
+			 irq_hw_number_t hwirq, struct irq_chip *chip,
+			 void *chip_data, irq_flow_handler_t handler,
+			 void *handler_data, const char *handler_name)
+{
+	irq_domain_set_hwirq_and_chip(domain, virq, hwirq, chip, chip_data);
+	__irq_set_handler(virq, handler, 0, handler_name);
+	irq_set_handler_data(virq, handler_data);
+}
+
 /**
  * irq_domain_reset_irq_data - Clear hwirq, chip and chip_data in @irq_data
  * @irq_data:	The pointer to irq_data