On Thu, Jan 16, 2014 Ben Hutchings <[email protected]> wrote:
> It's simpler but we don't know if it's faster (and I don't believe that
> matters for the current usage).
>
> If one of these functions starts to be used in the data path, at that
> point it could be worth optimising, e.g. by doing a test for queue 0 and
> only then doing the pointer arithmetic with its implicit division.
Good catch, my statement above is incorrect. We don't know if this change
is a performance win, and it does introduce an implicit div. I agree this
function is not currently performance critical and is used only by for
reporting values to sysfs.

Best,

Mike
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