* Our user-space previously used the implicit location from the sysfs
device path of the "dahdi_device".
* However:
- Sysfs paths are very limited in length.
- Low-level driver need more control on the location field.
- For example, it need to be persistant for span_assignments.
* We now export explicitly the 'location' field which is managed by
low-level drivers.
* We will use this field as the location in span_assignments.
Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
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