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Date:      Sat, 20 May 2000 15:03:11 -0600
From:      Warner Losh <imp@village.org>
To:        Alexander Langer <alex@big.endian.de>
Cc:        Sergey Babkin <babkin@bellatlantic.net>, hackers@FreeBSD.ORG
Subject:   Re: further question to bus_alloc_resource 
Message-ID:  <200005202103.PAA53985@billy-club.village.org>
In-Reply-To: Your message of "Sat, 20 May 2000 11:46:07 %2B0200." <20000520114607.A1832@cichlids.cichlids.com> 
References:  <20000520114607.A1832@cichlids.cichlids.com>  <20000520013751.A5852@cichlids.cichlids.com> <20000520014352.B5947@cichlids.cichlids.com> <3925E63E.EF415CFF@bellatlantic.net> 

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In message <20000520114607.A1832@cichlids.cichlids.com> Alexander Langer writes:
: > compiled in the kernel (as opposed to being loaded as a module)
: > then it never gets unloaded. And many drivers were written before
: > the loadable modules appeared.
: 
: Yes. But what about the others. 
: /sys/dev/aha/aha_mca.c for example - it is part of module (aha),
: allocs resources, but never releases them.

aha doesn't support being unloaded.  At the time it was written, CAM
drivers couldn't be unloaded.  So I never bothered to make it work
right.

Also, the aha driver was written before newbus, and then gradually
hacked to be more and more newbus-like until it has reached the state
it is in today, which is good enough to work, but has lots of nits
still.

Warner


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