[tip:irq/core] powerpc: Irq: Use generic_handle_irq

[tip-bot for Thomas Gleixner]

Commit-ID:  a4e04c9f219d2c00764ffa7ba45500411815879d
Gitweb:     http://git.kernel.org/tip/a4e04c9f219d2c00764ffa7ba45500411815879d
Author:     Thomas Gleixner <tglx at linutronix.de>
AuthorDate: Sun, 23 Feb 2014 21:40:08 +0000
Committer:  Thomas Gleixner <tglx at linutronix.de>
CommitDate: Tue, 4 Mar 2014 17:37:52 +0100

powerpc: Irq: Use generic_handle_irq

No functional change

Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: ppc <linuxppc-dev at lists.ozlabs.org>
Link: http://lkml.kernel.org/r/20140223212736.333718121@linutronix.de
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
---
 arch/powerpc/kernel/irq.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 1d0848b..ca1cd74 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);