[PATCH 9/9] drm/i915/intel_i2c: reuse GMBUS2 value from polling loop
chris at chris-wilson.co.uk
Wed Mar 7 04:09:42 PST 2012
On Wed, 7 Mar 2012 19:50:50 +0800, Daniel Kurtz <djkurtz at chromium.org> wrote:
> Save the GMBUS2 value read while polling for state changes, and then
> reuse this value when determining for which reason the loops were exited.
> This is a small optimization which saves a couple of bus accesses for
> memory mapped IO registers.
> Note: checkpatch doesn't like this ('assigning in if condition'), but it seems
> like the cleanest implementation.
> Signed-off-by: Daniel Kurtz <djkurtz at chromium.org>
Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk>
Chris Wilson, Intel Open Source Technology Centre
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