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authorJiang Liu <[email protected]>2014-11-06 22:20:16 +0800
committerThomas Gleixner <[email protected]>2014-11-23 13:01:46 +0100
commit85f08c17de26f117be6ca7aa260d2ec02a2248ba (patch)
tree8a3d7091188c77e8fc6534b3db1394a08bba8128 /include/linux
parent0cc01abab6412f3a76256bb57ca58dcb94a6edc7 (diff)
genirq: Introduce helper functions to support stacked irq_chip
Now we already support hierarchy irq_data, so introduce several helpers to support stacked irq_chips. Signed-off-by: Jiang Liu <[email protected]> Cc: Bjorn Helgaas <[email protected]> Cc: Grant Likely <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Yingjoe Chen <[email protected]> Cc: Yijing Wang <[email protected]> Signed-off-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/irq.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 13ba412ce3a0..0adcbbbf2e87 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -443,6 +443,11 @@ extern void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_bad_irq(unsigned int irq, struct irq_desc *desc);
extern void handle_nested_irq(unsigned int irq);
+#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
+extern void irq_chip_ack_parent(struct irq_data *data);
+extern int irq_chip_retrigger_hierarchy(struct irq_data *data);
+#endif
+
/* Handling of unhandled and spurious interrupts: */
extern void note_interrupt(unsigned int irq, struct irq_desc *desc,
irqreturn_t action_ret);