Messages in this thread Patch in this message | | | Date | Sun, 02 Aug 2015 20:38:26 -0000 | From | Thomas Gleixner <> | Subject | [patch 6/7] genirq: Provide irq_desc_has_action |
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If we have a reference to irq_desc already, there is no point to do another lookup.
Signed-off-by: Thomas Gleixner <tglx@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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