linux-kernel - Re: RocketPort Linux driver errors on module reload

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Date:	Tue, 16 Oct 2007 09:47:28 +0200
From:	Wagner Ferenc <wferi@...f.hu>
To:	Jiri Slaby <jirislaby@...il.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: RocketPort Linux driver errors on module reload

Jiri Slaby <jirislaby@...il.com> writes:

> Anyway the driver faces another problem with pci refcounting (it
> doesn't increment the counter) and the device might be removed from
> it any time the pci bus code decides.

That doesn't sound too good...  Do you mean the module could stop
working any time, even if its devices are being used continuously?

> Are you willing to test to-pci-probing patches (i.e. patches which
> converts the driver to the model introduced in linux 2.4)?

Well yes.  We've got a copule of such cards, which raises some
interest in a proper driver.  Just send the patches with some
instructions along, or point me to a git branch if you prefer.

> If not, I'll only increment the counter on modprobe and decrement it
> on rmmod, since it would be a safe (in the meaning of not changing
> that much code) way of fixing the problem.

And what are the drawbacks of this simple solution?
-- 
Regards,
Feri.
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