On 01/20/2012 07:24 PM, Terry Fryar wrote:
> Yeh, omap and gpio.....edge irq from a square wave pulse....
Try this patch:
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 30cb7d4..114ccf0 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -1272,7 +1272,7 @@ static void gpio_irq_handler(unsigned int irq,
struct irq_desc *desc)
u32 retrigger = 0;
int unmasked = 0;
- desc->irq_data.chip->irq_ack(&desc->irq_data);
+ desc->irq_data.chip->irq_mask_ack(&desc->irq_data);
bank = get_irq_data(irq);
#ifdef CONFIG_ARCH_OMAP1
--
Gilles.
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