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Commit 1b537708 authored by Jiang Liu's avatar Jiang Liu Committed by Thomas Gleixner
Browse files

genirq: Introduce helper irq_domain_set_info() to reduce duplicated code 



Signed-off-by: default avatarJiang 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: default avatarThomas Gleixner <tglx@linutronix.de>
parent 75ffc007

include/linux/irqdomain.h

+5 −0
Original line number Diff line number Diff line
@@ -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,

kernel/irq/irqdomain.c

+21 −0
Original line number Diff line number Diff line
@@ -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