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Dear folks,

On Fri, Sep 08, 2006 at 10:23:39PM +0200, Reinoud Zandijk wrote:
> i'm having a curious problem with my auixp driver (PCI). Using a clean 
> sourcetree dated 20060907 it all works fine but when updating the 
> sourcetree to 20060908 it gets into trouble communicating with its codecs. 
> The codecs detect fine but it times out all the times when reading in the 
> function auixp.c:auixp_read_codec(). I noticed christos (?) changed some 
> PCI reset functions that might be the cause though when i reverse that 
> patch it still doesn't work anymore so i dont think thats the cause.
> 
> Running a GENERIC or a GENERIC.MPACPI doesn't matter and the problem 
> resolves itself when i disable the auixp driver.
> 
> Did something change in the PCI framework that could cause it ? Could any 
> of you PCI guru's have a look at the driver to see what it does wrong?

Greg Oster pointed to me that it could also be due to the 
timecounter/DELAY() changes... has that interface/resolution changed? The 
code uses DELAY(2) a few times to wait for the obliged few microsecs to 
give the device time to respond.

Any ideas?

Thanks in advance,

Reinoud


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