Hi, On Wed, Aug 15, 2007 at 07:59:51AM +0200, Ulrich Kunitz wrote: >> Vendor: Shuttle >> Model: PN18G (although it doesn't seem to be marked as such) >> USB Device ID: 07b8:6001 >> Chip: ZD1211B >> RF: AL2230S
[...] >> Anyway, it looks like this is a re-use of a previously existing device ID. >> I had to modify the driver to get it working (patch attached). > We have seen this now several times. Zydas/Atheros told us that > this shouldn't happen, because this was the only method, we have > been aware to distinguish between both products. I see. So, the only apparent solution is to notify Atheros of the problem, and hope that they chastise the module manufacturer appropriately? >> I hope this is enough info to get this working in mainline. > Not really, we need to find another way to identify the chip. It wouldn't be something you could find in /proc/bus/usb/devices, would it? >> BTW, it would be nice if the driver printed an error message if a ZD1211 is >> assumed but the chip is actually a ZD1211B, or vice-versa. It currently >> fails silently. I'm not sure if there is a good way to determine at runtime >> what kind of chip you are actually talking to ... ? > That's exactly the problem. Clearly :) Sorry for stating the obvious. > The problem is also that resetting the device doesn't work reliably. We need > to work on it. Ah, so you can't use a EAFP/trial-and-error approach (and LBYL is not an option due to the chip not making any mechanism available by which it can be identified)? -Forest -- Forest Bond http://www.alittletooquiet.net
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