How to get DAHDI working with kernel 4.19

[Fog_Watch]

UPDATE
Following on:

[jcandle]

I'm going to res this old thread only because somebody will find this useful and there's no other place on the webs that I could find anyone posting this.

To make wctdm working with DAHDI 3.1.0 the following changes need to be made in addition to the changes posted by @Fog_Watch

file: wctdm.c
line: 1135
< DAHDI_IRQ_HANDLER(wctdm_interrupt)
> static irqreturn_t wctdm_interrupt(int irq, void *dev_id)
line: 2853
< res = dahdi_pci_module(&wctdm_driver);
> res = pci_register_driver(&wctdm_driver);

[Fog_Watch]

[ajorians]

This all helped me! I am OpenSuse and hit the issues where the TDM400P is no longer supported with DAHDI 3. So I made the changes you all supplied, built and installed the drivers and all worked. So thanks again.

[Fog_Watch]

The above works for 5.4. In addition the following change is needed.
file: tmp/dahdi-linux-complete-3.1.0+3.1.0/linux/include/dahdi/kernel.h
line: 62
< #include <linux/pci-aspm.h>
> #include <linux/pci.h>

[Hyper_Eye]

I modified the current stable net-misc/dahdi ebuild to restore the legacy modules wcfxo and wctdm. You can find the ebuild here: https://github.com/HyperEye/dahdi_legacy
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[Fog_Watch]

This works with 5.4.97. With kernel 5.10.27 the ebuild ends in error 2. Ahh.

[kalgonite]

[Hu]

The pastebin link from Fog_Watch has long since expired, and no one quoted the error messages it contained. Without those errors, anyone who wants to help you would first need to set up an environment to reproduce those errors.

[kalgonite]

[Hu]

There may be people who could tell you how to fix it, but who have no interest in setting up to build DAHDI just to find out how it is broken. If you post the errors you get, someone might be able to tell you what to do. As is, all we know is that if we set up to build DAHDI, we will (probably) get the errors you saw.

[Fog_Watch]

After 15 years of sterling service my OpenVox A400P11 has gone to meet its maker. So unfortunately this thread is no longer relevant to me.

With respect to pastebin links though, Hu, I hear you.

[Hu]

[Hyper_Eye]

[kalgonite]

[Hu]

While that will allow the compile to succeed, multiple definitions are an error by default for good reason. In this case, are both definitions equivalent in their size, content, and const-ness? Does either file assume it is the sole user of that symbol? If not, the resulting code may misbehave at runtime.

[kalgonite]