From: KeyYoung Park <keyyoung.park@xxxxxxxxxxx>
While wake up, if external interrupt uses handle_level_irq
as handle_irq (it actually uses edge type irq), That interrupt is missed.
So, if external uses edge type irq, it should use handle_edge_irq.
Signed-off-by: KeyYoung Park <keyyoung.park@xxxxxxxxxxx>
Signed-off-by: Huisung Kang <hs1218.kang@xxxxxxxxxxx>
---
arch/arm/plat-s5p/irq-eint.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-s5p/irq-eint.c b/arch/arm/plat-s5p/irq-eint.c
index c496b35..6ed395e 100644
--- a/arch/arm/plat-s5p/irq-eint.c
+++ b/arch/arm/plat-s5p/irq-eint.c
@@ -65,6 +65,7 @@ static int s5p_irq_eint_set_type(struct irq_data *data, unsigned int type)
int shift;
u32 ctrl, mask;
u32 newvalue = 0;
+ struct irq_desc *desc = irq_to_desc(data->irq);
switch (type) {
case IRQ_TYPE_EDGE_RISING:
@@ -115,6 +116,11 @@ static int s5p_irq_eint_set_type(struct irq_data *data, unsigned int type)
else
printk(KERN_ERR "No such irq number %d", offs);
+ if (type & IRQ_TYPE_EDGE_BOTH)
+ desc->handle_irq = handle_edge_irq;
+ else
+ desc->handle_irq = handle_level_irq;
+
return 0;
}
--
1.7.1
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