ARM: LPC32xx: Use handle_edge_irq() callback on edge type irqs

irq.c uses handle_level_irq() as the unconditional default handler. This patch
uses handle_edge_irq() instead for edge type irqs.

Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Srinivas Bakki <srinivas.bakki@nxp.com>

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/arm/mach-lpc32xx/irq.c b/arch/arm/mach-lpc32xx/irq.c
index 5b1cc35e6fba..3c6332753358 100644
--- a/arch/arm/mach-lpc32xx/irq.c
+++ b/arch/arm/mach-lpc32xx/irq.c
@@ -283,21 +283,25 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
         case IRQ_TYPE_EDGE_RISING:
                 /* Rising edge sensitive */
                 __lpc32xx_set_irq_type(d->hwirq, 1, 1);
+                __irq_set_handler_locked(d->hwirq, handle_edge_irq);
                 break;
 
         case IRQ_TYPE_EDGE_FALLING:
                 /* Falling edge sensitive */
                 __lpc32xx_set_irq_type(d->hwirq, 0, 1);
+                __irq_set_handler_locked(d->hwirq, handle_edge_irq);
                 break;
 
         case IRQ_TYPE_LEVEL_LOW:
                 /* Low level sensitive */
                 __lpc32xx_set_irq_type(d->hwirq, 0, 0);
+                __irq_set_handler_locked(d->hwirq, handle_level_irq);
                 break;
 
         case IRQ_TYPE_LEVEL_HIGH:
                 /* High level sensitive */
                 __lpc32xx_set_irq_type(d->hwirq, 1, 0);
+                __irq_set_handler_locked(d->hwirq, handle_level_irq);
                 break;
 
         /* Other modes are not supported */
@@ -305,9 +309,6 @@ static int lpc32xx_set_irq_type(struct irq_data *d, unsigned int type)
                 return -EINVAL;
         }
 
-        /* Ok to use the level handler for all types */
-        irq_set_handler(d->hwirq, handle_level_irq);
-
         return 0;
 }