Freescale experts. Why on earth can't I request the IRQ for Timer1?
static int __init
dvr_ph_init(void)
{
u32 rv;
int k;
//rv = driver_register(&dvr_ph_driver);
for (k=0;k<64;k++) {
rv = request_irq(k,dvrph_isr , 0, "dvr_ph", NULL);
if (rv!=-38) printkplus("request_irq for %d returns %d", k,rv);
}
return rv;
}
Results in:
dvr_ph_init 145 - enter the routine
dvr_ph_init 155 -
dvr_ph_init 161 - request_irq for 16 returns -16 (vector 16 = TMCNT)
dvr_ph_init 161 - request_irq for 32 returns 0 (vector 32 = FCC1)
dvr_ph_init 161 - request_irq for 33 returns -16 (vector 33 = FCC2)
dvr_ph_init 161 - request_irq for 40 returns 0 (vector 40 = SCC1)
dvr_ph_init 161 - request_irq for 43 returns 0 (vector 43 = SCC4)
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