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genirq: Add flags to irq_chip

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Looking through irq_chip implementations I noticed that some of them
have special requirements, like setting the type masked and therefor
fiddle in irq_desc->status. Add a flag field, so the core code can
handle it.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Thomas Gleixner 2011-02-10 13:08:38 +01:00
parent 5d4d8fc9ac
commit 2bff17ad21
1 changed files with 3 additions and 0 deletions
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3
include/linux/irq.h
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@ -253,6 +253,7 @@ static inline bool irqd_is_level_type(struct irq_data *d)
* @irq_set_wake: enable/disable power-management wake-on of an IRQ
* @irq_bus_lock: function to lock access to slow bus (i2c) chips
* @irq_bus_sync_unlock:function to sync and unlock slow bus (i2c) chips
* @flags: chip specific flags
*
* @release: release function solely used by UML
*/
@ -299,6 +300,8 @@ struct irq_chip {
void (*irq_bus_lock)(struct irq_data *data);
void (*irq_bus_sync_unlock)(struct irq_data *data);
unsigned long flags;
/* Currently used only by UML, might disappear one day.*/
#ifdef CONFIG_IRQ_RELEASE_METHOD
void (*release)(unsigned int irq, void *dev_id);