Re: [PATCH] IBM Lanstreamer bugfixes

[David Weinehall]

On Wed, Jan 30, 2002 at 01:27:29PM -0600, Kent E Yoder wrote:
>   I think the delays in the driver *were* just working around PCI posting 
> effects.  I tested by removing all the delays and instead putting 
> something like:
>         writew(val, addr);
>         (void) read(addr);
> 
> instead, to flush the PCI cache.  Things seem to be happy. 
> 
> Is this the best way to make sure the PCI cache is flushed for writes that 
> need to happen immediately?  I don't see many other drivers doing it...

Wouldn't creating a flush_and_writew() or similar be an idea here?

/David Weinehall
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