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genirq: Add chip hooks for taking CPUs on/off line.

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[ tglx: Removed the enabled argument as this is now available in
irq_data ]

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Cc: linux-mips@linux-mips.org
Cc: ralf@linux-mips.org
LKML-Reference: <1301081931-11240-3-git-send-email-ddaney@caviumnetworks.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
David Daney
2011-03-25 12:38:49 -07:00
committed by Thomas Gleixner
parent 801a0e9ae3
commit 0fdb4b259e
2 changed files with 66 additions and 0 deletions
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8
include/linux/irq.h
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@@ -279,6 +279,8 @@ static inline bool irqd_irq_disabled(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
* @irq_cpu_online: configure an interrupt source for a secondary CPU
* @irq_cpu_offline: un-configure an interrupt source for a secondary CPU
* @irq_print_chip: optional to print special chip info in show_interrupts
* @flags: chip specific flags
*
@@ -327,6 +329,9 @@ struct irq_chip {
void (*irq_bus_lock)(struct irq_data *data);
void (*irq_bus_sync_unlock)(struct irq_data *data);
void (*irq_cpu_online)(struct irq_data *data);
void (*irq_cpu_offline)(struct irq_data *data);
void (*irq_print_chip)(struct irq_data *data, struct seq_file *p);
unsigned long flags;
@@ -372,6 +377,9 @@ struct irqaction;
extern int setup_irq(unsigned int irq, struct irqaction *new);
extern void remove_irq(unsigned int irq, struct irqaction *act);
extern void irq_cpu_online(void);
extern void irq_cpu_offline(void);
#ifdef CONFIG_GENERIC_HARDIRQS
#if defined(CONFIG_SMP) && defined(CONFIG_GENERIC_PENDING_IRQ)