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Re: zd1211rw with MIPS architecture: mysterious behavior with zd1211b and AL2230/AL2230S RF Chip

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Joerg Albert <jal2@...> writes:

> 
> On 07/31/2009 03:11 PM, Mladen Horvat wrote:
> 
> > the same stick runs flawless on a x86 pc with kernel 2.6.30.
> > as i said, also on the same machine with kernel 2.6.12 and the vendor driver
> > this stick works without problems.
> > 
> > perhaps someone has an idea ?
> 
> Just a wild guess, if your target runs MIPS in big endian: a missing endian
conversion in the zd1211rw driver?
> Wasn't USB little-endian based?

CONFIG_CPU_LITTLE_ENDIAN=y  , so this should not be the problem i think

> If the stick runs on the same MIPS target with 2.6.12 and vendor driver, it
shouldn't be a USB 1.1 vs. 2.0
> problem - I guess the stick is a high speed device, as the zd1211b supports
802.11g.

if i remember the vendor driver correctly it uses 11g if usb2.0 is used and
switches automatically to 11b mode for usb1.1

perhaps its some sort of timing issue ?

regards

Mladen

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