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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>
hifive-unleashed-5.1
Jiang Liu 2014-11-09 23:10:24 +08:00 committed by Thomas Gleixner
parent 75ffc00750
commit 1b5377087c
2 changed files with 26 additions and 0 deletions
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5
include/linux/irqdomain.h
View File

@ -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,

21
kernel/irq/irqdomain.c
View File

@ -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