Re: [ts-7000] IRQs

[Mika Westerberg <>]

On Thu, Mar 24, 2011 at 8:05 AM, Anish Patel <> wrote:

 

Hi all,
I am trying to use the IRQ's on the PC 104 connector for generating
interrupts.

When using 6 and 7, i have 6 set for active high and rising edge, and i
have 7 set for active low and falling edge.
6 works as expected, but irq 7 only seems to trigger on active high, not
low as expected.

//irq 6
request_irq(IRQ_EP93XX_EXT1 ,
detect_down_irq,
IRQF_TRIGGER_HIGH & IRQF_TRIGGER_RISING,

You might want to use '|' instead of '&' above.

 

"down_irq",
NULL);
//irq7
request_irq(IRQ_EP93XX_EXT3 ,
detect_down_irq,
IRQF_TRIGGER_LOW & IRQF_TRIGGER_FALLING,

Ditto.

 

"down_irq",
NULL);

i've tried the snippet from the ts-eth driver for allocating IRQ5, but
it always fails with resource busy.

any tips would be greatly appreciated.

Thanks
Anish

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