lkml.org 
[lkml]   [2015]   [Aug]   [2]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
Subject[patch 6/7] 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>
---
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)



\
 
 \ /
  Last update: 2015-08-02 23:01    [W:0.175 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site