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>

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1d0848bba049bf2c97bd09d9d86864857af128a7..ca1cd7459c4a3e60c73de7f4169484b03804cdbc 100644 (file)
--- 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);