On Mon, Mar 15, 2010 at 10:06 PM, Centelles, Sylvain
<[email protected]> wrote:
> Hi Baruch,
> Thx for your fast answer.
> I had seen this piece of code. But if this is the only purpose of the 
> msg->status, then it means it's only used to give return status of the 
> transfer after the completion.
> That mean that the only possible value will be an error code or success. The 
> EINPROGRESS (used in the pxa2xx_spi.c for example) will never have a chance 
> to be returned at this place, as any completion will overwrite it. Right?
> That what was confusing me...
When a xfer is submitted, the status is set by default should the xfer
exit via some un-tested path.
If the driver state machine has only fixed and tested exit points, you
perhaps don't need to set
the default status.

------------------------------------------------------------------------------
Download Intel&#174; Parallel Studio Eval
Try the new software tools for yourself. Speed compiling, find bugs
proactively, and fine-tune applications for parallel performance.
See why Intel Parallel Studio got high marks during beta.
http://p.sf.net/sfu/intel-sw-dev
_______________________________________________
spi-devel-general mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/spi-devel-general

Reply via email to