diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2015-08-02 20:38:26 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-08-06 00:14:59 +0200 |
| commit | f61ae4fb66a4f7ae49e3456003fc4328d6db09c9 (patch) | |
| tree | ecd35559b28b4ab05320c43f909b6ae9b0568090 | |
| parent | 44825757a3ee37c030165a94d6b4dd79c564f661 (diff) | |
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>
| -rw-r--r-- | include/linux/irqdesc.h | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/include/linux/irqdesc.h b/include/linux/irqdesc.h index fcea4e48e21f..5acfa26602e1 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) |