genirq: Remove dynamic_irq mess

No more users. Get rid of the cruft.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140507154341.012847637@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 7 insertions, 16 deletions

diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 7f267799a717..7339e42a85ab 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -278,7 +278,12 @@ EXPORT_SYMBOL(irq_to_desc);
 
 static void free_desc(unsigned int irq)
 {
-        dynamic_irq_cleanup(irq);
+        struct irq_desc *desc = irq_to_desc(irq);
+        unsigned long flags;
+
+        raw_spin_lock_irqsave(&desc->lock, flags);
+        desc_set_defaults(irq, desc, desc_node(desc), NULL);
+        raw_spin_unlock_irqrestore(&desc->lock, flags);
 }
 
 static inline int alloc_descs(unsigned int start, unsigned int cnt, int node,
@@ -309,7 +314,7 @@ void irq_mark_irq(unsigned int irq)
 #ifdef CONFIG_GENERIC_IRQ_LEGACY
 void irq_init_desc(unsigned int irq)
 {
-        dynamic_irq_cleanup(irq);
+        free_desc(irq);
 }
 #endif
 
@@ -522,20 +527,6 @@ int irq_set_percpu_devid(unsigned int irq)
         return 0;
 }
 
-/**
- * dynamic_irq_cleanup - cleanup a dynamically allocated irq
- * @irq:        irq number to initialize
- */
-void dynamic_irq_cleanup(unsigned int irq)
-{
-        struct irq_desc *desc = irq_to_desc(irq);
-        unsigned long flags;
-
-        raw_spin_lock_irqsave(&desc->lock, flags);
-        desc_set_defaults(irq, desc, desc_node(desc), NULL);
-        raw_spin_unlock_irqrestore(&desc->lock, flags);
-}
-
 void kstat_incr_irq_this_cpu(unsigned int irq)
 {
         kstat_incr_irqs_this_cpu(irq, irq_to_desc(irq));