genirq: Introduce helper irq_domain_set_info() to reduce duplicated code

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>
Cc: Grant Likely <grant.likely@linaro.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Yingjoe Chen <yingjoe.chen@mediatek.com>
Cc: Yijing Wang <wangyijing@huawei.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

2 files changed, 26 insertions, 0 deletions

diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index f8563dcfd254..7aca1adb68a1 100644
--- 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
index 9a61de21933a..4e62832ace82 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -891,6 +891,27 @@ int irq_domain_set_hwirq_and_chip(struct irq_domain *domain, unsigned int virq,
 }
 
 /**
+ * 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
  */