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

2 files changed, 6 insertions, 2 deletions

diff --git a/drivers/irqchip/irq-renesas-irqc.c b/drivers/irqchip/irq-renesas-irqc.c
index 927bff373aac..2f404ba61c6c 100644
--- a/drivers/irqchip/irq-renesas-irqc.c
+++ b/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:
diff --git a/include/linux/irqchip.h b/include/linux/irqchip.h
index e0006f1d35a0..14d79131f53d 100644
--- a/include/linux/irqchip.h
+++ b/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