Niklaus Burren wrote:
> Hello Gilles
>
> Thank you for your tip. I use now this makro in the rt_intr_create()
> function. Unfortunately it has no effect. The function int_handler() is
> never called when I put a square signal to the correct GPIO pin.
>
> Is there anything else I had to do?
Could you try applying the following patch and tell me what gets printed
when you put the square signal on the GPIO pin ?
--
Gilles Chanteperdrix
Index: arch/arm/mach-pxa/irq.c
===================================================================
--- arch/arm/mach-pxa/irq.c (révision 2407)
+++ arch/arm/mach-pxa/irq.c (copie de travail)
@@ -236,10 +236,14 @@
i = 4;
#endif /* PXA_LAST_GPIO >= 96 */
for (; i; i--) {
+ printk("mask[%d] = 0x%08x\n", i - 1, mask[i - 1]);
loop |= mask[i - 1];
while (mask[i - 1]) {
irq = fls(mask[i - 1]) - 1;
mask[i - 1] &= ~(1 << irq);
+ printk("demux irq IRQ_GPIO(%d): %d\n",
+ (i - 1) * 32 + irq,
+ IRQ_GPIO((i - 1) * 32 + irq));
irq = IRQ_GPIO((i - 1) * 32 + irq);
__ipipe_handle_irq(irq, regs);
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