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authorRoland Stigge <stigge@antcom.de>2012-09-06 13:39:10 +0400
committerRoland Stigge <stigge@antcom.de>2012-09-06 13:39:10 +0400
commit4607d65ab3d80fe0e648e221f58b03b9ed051fdd (patch)
tree6c7ba9854f3bb1163c92d33f3583b15baa82f104 /arch/arm
parent4cbe5a555fa58a79b6ecbb6c531b8bab0650778d (diff)
downloadlinux-4607d65ab3d80fe0e648e221f58b03b9ed051fdd.tar.xz
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>
Diffstat (limited to 'arch/arm')
-rw-r--r--arch/arm/mach-lpc32xx/irq.c7
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;
}