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 <tglx@linutronix.de> Cc: Jiang Liu <jiang.liu@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Bjorn Helgaas <bhelgaas@google.com> Link: http://lkml.kernel.org/r/20150802203609.638130301@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
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@ -166,10 +166,14 @@ static inline int handle_domain_irq(struct irq_domain *domain,
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#endif
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#endif
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/* Test to see if a driver has successfully requested an irq */
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/* Test to see if a driver has successfully requested an irq */
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static inline int irq_desc_has_action(struct irq_desc *desc)
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{
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return desc->action != NULL;
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}
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static inline int irq_has_action(unsigned int irq)
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static inline int irq_has_action(unsigned int irq)
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{
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{
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struct irq_desc *desc = irq_to_desc(irq);
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return irq_desc_has_action(irq_to_desc(irq));
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return desc->action != NULL;
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}
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}
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/* caller has locked the irq_desc and both params are valid */
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/* caller has locked the irq_desc and both params are valid */
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