Commit-ID: f61ae4fb66a4f7ae49e3456003fc4328d6db09c9 Gitweb: http://git.kernel.org/tip/f61ae4fb66a4f7ae49e3456003fc4328d6db09c9 Author: Thomas Gleixner <[email protected]> AuthorDate: Sun, 2 Aug 2015 20:38:26 +0000 Committer: Thomas Gleixner <[email protected]> CommitDate: Thu, 6 Aug 2015 00:14:59 +0200
genirq: Provide irq_desc_has_action If we have a reference to irq_desc already, there is no point to do another lookup. Signed-off-by: Thomas Gleixner <[email protected]> Cc: Jiang Liu <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Rusty Russell <[email protected]> Cc: Bjorn Helgaas <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- include/linux/irqdesc.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index fcea4e4..5acfa26 100644 --- a/include/linux/irqdesc.h +++ b/include/linux/irqdesc.h @@ -166,12 +166,16 @@ static inline int handle_domain_irq(struct irq_domain *domain, #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 [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
