If we have a reference to irq_desc already, there is no point to do
another lookup.
Signed-off-by: Thomas Gleixner <t...@linutronix.de>
---
include/linux/irqdesc.h | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
Index: tip/include/linux/irqdesc.h
===================================================================
--- tip.orig/include/linux/irqdesc.h
+++ tip/include/linux/irqdesc.h
@@ -166,12 +166,16 @@ static inline int handle_domain_irq(stru
#endif
/* Test to see if a driver has successfully requested an irq */
-static inline int irq_has_action(unsigned int irq)
+static inline int irq_desc_has_action(struct irq_desc *desc)
{
- struct irq_desc *desc = irq_to_desc(irq);
return desc->action != NULL;
}
+static inline int irq_has_action(unsigned int irq)
+{
+ return irq_desc_has_action(irq_to_desc(irq));
+}
+
/* caller has locked the irq_desc and both params are valid */
static inline void __irq_set_handler_locked(unsigned int irq,
irq_flow_handler_t handler)
--
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