If we have a reference to irq_desc already, there is no point to do another lookup. Signed-off-by: Thomas Gleixner --- 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) -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/