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authorDavid Daney <ddaney@caviumnetworks.com>2011-03-25 12:38:49 -0700
committerThomas Gleixner <tglx@linutronix.de>2011-03-27 17:45:58 +0200
commit0fdb4b259ed3e91b687ac26848202f5e7c217e62 (patch)
tree52503c0c5c35f95ab88a9867fc46c43fc7d9c200 /include/linux
parent801a0e9ae36e9b487092e31699d28c0b9a21ad52 (diff)
genirq: Add chip hooks for taking CPUs on/off line.
[ 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>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/irq.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 8649b0fb9daf..c2a0c1929690 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -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)