Anders Blomdell wrote: > With a PCI multiport I/O-card, configured with: > > modprobe xeno_16550A.ko io=0xd400,0xd080 irq=5,5 > > I can't get cross-link to work. This is what I get: > > main : write-file opened > main : write-config written > main : can't open rtser1 (read), Device or resource busy > main : rtser0 (write) -> closed > > The reason is that the second call (xeno_16550A.c) to: > > err = rtdm_irq_request(&ctx->irq_handle, irq[dev_id], > rt_16550_interrupt, > RTDM_IRQTYPE_SHARED | RTDM_IRQTYPE_EDGE, > context->device->proc_name, ctx); > > returns -16. > > This somehow makes sense since rtser0 and rtser1 uses the same interrupt, but > having multiple channels sharing the same interrupt seems to be a valid > usecase > according to http://www.xenomai.org/index.php/16550A. > > Kernel version is 2.6.24.3 and Xenomai version is 2.4.2. > > Any ideas of what might be wrong?
CONFIG_XENO_OPT_SHIRQ? Jan -- Siemens AG, Corporate Technology, CT SE 2 Corporate Competence Center Embedded Linux _______________________________________________ Xenomai-help mailing list [email protected] https://mail.gna.org/listinfo/xenomai-help
