Merge tag 'renesas-intc-external-irq-for-v3.11' of git://git.kernel.o…

…rg/pub/scm/linux/kernel/git/horms/renesas into next/fixes-non-critical

From Simon Horman:
Update for Renesas INTC External IRQ pin driver for v3.11

- Correct error handing in irqc_probe
- Add irqchip_init dummy function

* tag 'renesas-intc-external-irq-for-v3.11' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  irqchip: Add irqchip_init dummy function
  irqchip: renesas-irqc: Fix irqc_probe error handling

drivers/irqchip/irq-renesas-irqc.c

@@ -248,8 +248,8 @@ static int irqc_probe(struct platform_device *pdev)
 
 	return 0;
 err3:
-	for (; k >= 0; k--)
-		free_irq(p->irq[k - 1].requested_irq, &p->irq[k - 1]);
+	while (--k >= 0)
+		free_irq(p->irq[k].requested_irq, &p->irq[k]);
 
 	irq_domain_remove(p->irq_domain);
 err2:

include/linux/irqchip.h

@@ -11,6 +11,10 @@
 #ifndef _LINUX_IRQCHIP_H
 #define _LINUX_IRQCHIP_H
 
+#ifdef CONFIG_IRQCHIP
 void irqchip_init(void);
+#else
+static inline void irqchip_init(void) {}
+#endif
 
 #endif