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Date: Tue, 18 Feb 1997 14:45:12 +0900 (JST)
From: Naoki Hamada <nao@sbl.cl.nec.co.jp>
Message-Id: <199702180545.OAA06179@sirius.sbl.cl.nec.co.jp>
References: <199702180148.MAA20191@godzilla.zeta.org.au>
To: bde@zeta.org.au
CC: freebsd-current@freebsd.org, j@ida.interface-business.de
In-reply-to: Bruce Evans's message of "Tue, 18 Feb 1997 12:48:37 +1100"
	     <199702180148.MAA20191@godzilla.zeta.org.au>
Subject: Re: ep0 in GENERIC
Sender: owner-current@freebsd.org
X-Loop: FreeBSD.org
Precedence: bulk

Bruce wrote:
>>Why don't we use the following config line for ep0 (3C509)?
>>device ep0 at isa? port ? net irq ? vector epintr
>Because the probe doesn't honour conflicts and is invasive.

Sorry, I cannot figure out what you meant by this. Can you expand on
it?

>>The autoprobing seems to work, and it's as invasive as not using
>>autoprobing since it happens by reading the EEPROM via a fixed port
>>address (which is done anyway as long as at least one ep device is
>No, the autoprobing isn't done if a previous driver finds something
>at 0x300, because the ep0 address conflicts so ep0 isn't probed.  The
>probes are done in non-alphabetical order to increase the chance of
>avoiding invasive probes like ep0's.
>
>Bruce

As far as I know, the autoprobing IS done whatever previous drivers
finds on whichever port.

- nao