[PATCH 2/6] gpu: host1x: Fix syncpoint wait return value

[Thierry Reding]

On Fri, May 17, 2013 at 02:49:44PM +0300, Arto Merilainen wrote:
> Syncpoint wait returned EAGAIN if it was called with zero timeout.
> This patch modifies the function to return ETIMEDOUT.

This description is a bit redundant, because it repeats in prose what
the code does. I'd rather see a description of why the change is
necessary.

Thinking about it, maybe it would be good to have two separate error
codes. Keeping -EAGAIN for the case where a zero timeout was passed
doesn't sound too bad to differentiate it from the case where a non-
zero timeout was passed and it actually timed out. What do you think?

Thierry
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