Date: Thu, 28 Aug 2003 08:21:59 +0100 From: "Duncan Barclay" <dmlb@dmlb.org> To: "Kenneth D. Merry" <ken@kdm.org> Cc: freebsd-mobile@freebsd.org Subject: Re: bcm4400 driver and Dell 8500 Message-ID: <003e01c36d35$94683f20$4bc8a8c0@orac> References: <20030827131039.GA17250@panzer.kdm.org> <XFMail.20030827182757.dmlb@dmlb.org> <20030828033038.GA24315@panzer.kdm.org>
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From: "Kenneth D. Merry" <ken@kdm.org> > > This is a little loop that waits for the card to finish DMAing a packet. There > > should be a DELAY(1) in there. But it may be commented out. > > That's bad...in general the chip should DMA the packet and then update the > consumer index and generate an interrupt. I don't know how this particular > chip works, though. The DELAY is commented out. Unfortunately I don't know how the chips works wither. This method comes from the drivers I used as a reference. I have recoded the loop a little so it doesn't DELAY and I've never had a timeout from it. > > Do we think that cardbus is trashing the memory space somehow? > > That could very well be the case. I don't know anything about cardbus, > though. Me neither, but my laptop needs some help in that area, so that's what I'm going to look at next. > Ken > -- > Kenneth Merry > ken@kdm.org > >
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