powerpc: Irq: Use generic_handle_irq

No functional change

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: ppc <linuxppc-dev@lists.ozlabs.org>
Link: http://lkml.kernel.org/r/20140223212736.333718121@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 2 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1d0848bba049..ca1cd7459c4a 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -465,7 +465,6 @@ static inline void check_stack_overflow(void)
 
 void __do_irq(struct pt_regs *regs)
 {
-        struct irq_desc *desc;
         unsigned int irq;
 
         irq_enter();
@@ -487,11 +486,8 @@ void __do_irq(struct pt_regs *regs)
         /* And finally process it */
         if (unlikely(irq == NO_IRQ))
                 __get_cpu_var(irq_stat).spurious_irqs++;
-        else {
-                desc = irq_to_desc(irq);
-                if (likely(desc))
-                        desc->handle_irq(irq, desc);
-        }
+        else
+                generic_handle_irq(irq);
 
         trace_irq_exit(regs);