Greetings,
I have two kernel modules (brought over from Linux), one being a
hardware driver ("D") and another a plain module "S" (actually, a socket
module, see project volo-gate).
S depends on D as it calls its functions. This is expressed in the link
step via "-dy -ND". Things load fine, but problems are with D
attaching/detaching:
- D does not load or even attach when S is loaded, but only when I i.e.
read from its /dev entry.
- as soon as D attaches, things work well (S calling D's funcions get
the expected result)
- however, D detaches after some time (the kernel seems to trigger this,
not D itself!), and if S calls D's functions now, it gets results
indicating "now hardware found" (internal state of D when not being
attached).
- once I manually make D attach again, thinks work well. Both D and S
remain loaded all the time.
This should be a pretty common problem - how is this handled properly?
Joachim
--
Joachim Worringen, Software Architect, Dolphin Interconnect Solutions
phone ++49/(0)228/324 08 17 - http://www.dolphinics.com
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